Answer:
The presence of insulin resistance genes and sickle cell alleles demonstrate human evolution because they are both examples of genetic adaptations that have occurred in response to changes in the environment. Insulin resistance genes are believed to have been selected for in populations where food was scarce and where sugar was not a primary source of energy. This allowed individuals to better survive famine conditions. Sickle cell alleles, on the other hand, are believed to have been selected for in populations living in regions with high levels of malaria. This allele helps protect individuals from malaria by making it difficult for the malaria parasite to enter red blood cells. Both of these genetic adaptations demonstrate how humans have evolved in response to their environment over time.
Explanation:
Explain in detail how the endocrine system is reacting during these given situations to bring the body back to homeostasis or may be causing adverse physiological effects. Identify the important anatomical structures/organs involved in this situation, hormones secreted, and physiological reactions/adjustments taking place due to the Endocrine System functions.
Case Study:
Anthony lives in Western Washington and is currently staying at home due to Covid-19 and his job will not allow him to work on site, therefore he has an at home office. Over the last couple weeks Antonio has experienced increased stress, fatigue, cravings for foods heavy in carbohydrates and fat, and a feeling of despair. Normally Anthony loves to exercise, socialize, and have fun, but lately he is much more likely to just lay down and sleep. His body feels heavy and lethargic and he has little motivation to go outside. Anthony doesn't realize it, but due to his current situation his immune system is being inhibited due to physiological responses in the body. Anthony has lived in Western WA for the past 14 months and prior to that he lived in California.
Hypothalamus and pineal body is involved in hormones secreted, and physiological reactions taking place due to the endocrine System functions.
What are the functions of hormones?Hormones are chemicals that coordinate different functions in your body by carrying messages through your blood to your organs, skin, muscles and other tissues.
Hormones are are the body's chemical messengers, sending signals into the bloodstream and tissues. Hormones work slowly, over time, and affect many different processes, including growth and development, metabolism.
Endocrine glands, which are special groups of cells, make hormones. The major endocrine glands are the pituitary, pineal, thymus, thyroid, adrenal glands, and pancreas.
Learn more about hormones:
https://brainly.com/question/13020697
#SPJ1
Define of DNA sequencing in the simplest form
Answer:
DNA sequencing is the process of determining the order of the four bases (adenine, thymine, guanine, and cytosine) in a molecule of DNA.
Explanation:
During development of Golgi complex new membranes are added to the .............. face from the .................
During development of Golgi complex, new membranes are added to the forming face from the endoplasmic reticulum.
What are the parts of a cell?In Science, the parts of a cell are generally referred to as cell organelles and these include the following:
Cell membrane.Chromosome.Nucleus.ChloroplastCytoplasm.MitochondrionEndoplasmic reticulum (ER).Vesicles.Golgi apparatus (bodies).What is Golgi Apparatus?In Science, Golgi Apparatus can be defined as a type of cell organelle that is saddled with responsibility of preparing protein for export, especially by chemically tagging them.
Additionally, exocytosis simply refers to a biological process that is initiated by the Golgi apparatus which helps to expel a large molecule such as the expulsion of protein from cholera cells.
In conclusion, new membranes are added to the forming face from the endoplasmic reticulum (ER) during the development of Golgi complex.
Read more on cells here: brainly.com/question/13846411
#SPJ1
During a plasticity test, if the soil snake breaks, what does this tell you about the soil?
A. The soil is cohesive.
B. The soil should be rolled tighter.
C. The soil was a poor sample.
D. The soil is not cohesive.
SOMEBODY PLS HELP !!
Which statement describes what is happening at the plate
boundary in this section of a tectonic map?
A) The seafloor is spreading.
B) Two continental plates are colliding.
C)An oceanic plate is subducting.
D) Two plates are sliding past each other.
The sea floor is spreading is the correct option. Deep ocean trenches, volcanoes, island arcs, undersea mountain ranges, and fault lines are examples of plate tectonic characteristics.
Describe the earth's crust:The Earth's outer crust (the lithosphere) is made up of tectonic plates that move on top of a heated, moving mantle layer known as the asthenosphere. Convection currents created by heat in the asthenosphere lead tectonic plates to shift several millimeters each year relative to one other. A "plate border" is formed when two tectonic plates collide. There are three main types of plate borders, each of which is related with the production of different geologic characteristics.
When is a convergent boundary formed?A convergent plate boundary is formed when two tectonic plates clash. Subduction is the process by which one of the converging plates moves beneath the other.
Deep trenches are frequent structures generated where tectonic plates are subducted, and earthquakes are also prevalent near subduction zones. Fluids are released from the rock when the sinking plate goes further into the mantle, causing the overlying mantle to partially melt. The new magma (molten rock) rises and may erupt violently to generate volcanoes, which frequently form arcs of islands along the convergent boundary.
To learn more about tectonic plates visit:
brainly.com/question/19317822
#SPJ1
Daughter cells will never re-enter the cell cycle once they are created.
All Hereditary material encoded in Human DNA and is passed from one cell generation to the next via mitosis. The daughter cells are virtually identical to the parent cells and will continue to differentiate / self-renew indefinitely, helping to maintain appropriate stem cell levels in the human body
Which of the following best explains why bacteria are able to adapt to
changing environmental conditions?
A Bacteria have DNA that rarely mutates in the population.
B Bacteria reproduce rapidly, allowing mutations to increase in the
population.
C Bacteria reproduce asexually, causing little genetic variation in the
population.
D Bacteria exchange genetic material, which increases the number of
chromosomes in the population.
Answer: B
Explanation:
Name that thing
Are membrane proteins that can recognize other cells.
1 Answer:
Unlike poles of different magnets, will
a. attract each other.
b. repel each other.
c. cancel out each other.
d. first attract and then repel each other.
2 Answer:
A material that does not magnetize easily is
a. iron.
b. cobalt.
c. glass.
d. nickel.
3 Answer:
In a magnetized object, most of the domains point
a. in the same direction.
b. in an east-west direction.
c. in different directions.
d. perpendicular to one another.
4 Answer:
Materials that are more difficult to magnetize but tend to stay
magnetized are called
a. natural magnets.
b. temporary magnets.
c. permanent magnets.
d. variable magnets.
5 Answer:
A magnetic field is described by magnetic lines of
a. energy.
b. strength.
c. force.
d. intensity.
6 Answer:
Which of the following is "not" likely to cause a magnet to lose
its magnetism?
a. Striking it with a hammer.
b. Cooling it.
c. Dropping it repeatedly on the ground.
d. Heating it.
7 Answer:
The magnetic variation of a compass is the smallest at the
a. geographic north pole.
b. geographic south pole.
c. equator.
d. International Date Line.
Answer:
Explanation:
1. a. attract each other
2. c. glass
3. a. in the same direction
4. c. permanent magnets
5. c. force
6. a. striking it with a hammer
7. c. equator
The experiment was run again and had the test groups changed to better test the amount of sunlight poppies are exposed to influences their growth rate. You can see how the experiment was set up below. Is this a better set up to test that hypothesis?
Experiment #2
Variable
Test Group 1
Test Group 2
Test Group 3
Water
5 ml
5 ml
10 ml
Sunlight
8h
16h
16h
Fertilizer
10 grams
20 grams
10 grams
Results of Experiment:
Average growth of poppies per day
0.5 cm
1 cm
1 cm
Group of answer choices
True
False
Considering the experimental setup to test the hypothesis that the amount of sunlight poppies are exposed to influences their growth rate, it can be concluded that the setup is not a better setup to test the hypothesis because other variables like water and amount of fertilizer are not kept constant for all the test groups.
What is a hypothesis?A hypothesis is a theory put up to explain a phenomenon.
A hypothesis must be testable according to the scientific method for it to be considered a scientific hypothesis.
Scientists typically build their scientific ideas on prior observations that cannot be adequately explained by the current body of knowledge.
The process of testing out a hypothesis is through experiments.
When testing a hypothesis by means of experiments, only the factor or variable to be tested is varied, whereas other variables are kept constant.
Learn more about a hypothesis at: https://brainly.com/question/606806
#SPJ1
After ecologists make their best estimations of how multiple factors affect one another by observation, how do they analyze data?
Answer:
Ecologists analyze data by using statistical methods and mathematical models to identify relationships among multiple factors. They also use computer simulations to test the accuracy of their observations and estimations. Additionally, they may use software to analyze large datasets and create visualizations to better understand the data.
Explanation:
This perspective would study the pro's and con's of cramming for a test. *
Psychodynamic
Biolgical
Behavioral
Humanistic
Cognitive
Social Cultural
Evolutionary
Cognitive perspective would study the pro's and con's of cramming for a test, 4th option.
What is Cognitive perspective?In psychology, the cognitive perspective focuses on how the interactions of thinking, emotion, creativity, and problem-solving abilities influence how and why you think the way you do. Cognitive perspective would examine how people process, perceive, and think about information.
It would study how cramming affects the cognitive processes such as attention, memory and organization of information, and the impact of cramming on academic performance. This perspective would also consider the individual's beliefs and attitudes towards cramming, and how those influence the effectiveness of this study technique.
Find out more on cognitive perspective here: https://brainly.com/question/1503885
#SPJ1
Which research method involves an in-depth investigation of an individual subject?
A naturalistic observation
O A case study
OA survey
An experiment
In Freudian theory, which one of the following is an example of Thanatos instinct, which includes aggression, trauma, and risky behaviors?
In Freudian theory, the following which is an example of Thanatos instinct, which includes aggression, trauma, and risky behaviors is known as substance abuse and is therefore denoted as option D.
What is Freudian theory?This states that unconscious psychological forces, such as hidden desires and motives, shape an individual's behavior, like their purchasing patterns and other forms.
The personality qualities derived interact to create anxiety, which needs to be controlled via a range of defense mechanisms. These strategies mask the true, anxiety related causes of one's conduct.
Thanatos instinct, which includes aggression, trauma, and risky behaviors can be gotten from substance use as it is able to alter the reasoning and behavior of most individuals thereby making it the correct choice.
Read more about Freudian theory here https://brainly.com/question/14902789
#SPJ1
The full question is:
In Freudian theory, which one of the following is an example of a Thanatos instinct, which includes aggression, trauma, and risky behaviors?
A. going to school.
B. seeking nourishment.
C. joining a basketball club.
D. substance abuse.
Which environmental impact of the palm oil industry should we as a society be most concerned about? Why?
Answer:
Palm oil production necessitates extensive deforestation, which has resulted in a gradual loss of flora and fauna in areas where land is cleared for palm oil cultivation.
A child uses her hand to measure the width of a tabletop. Her hand has a width of 8.3 cm at its widest point, and she finds the tabletop to be 15.5 hands wide.
Answer:
see below
Explanation:
To find the width of the tabletop in cm, we can multiply the number of hands by the width of one hand.
Width of tabletop = 15.5 hands x 8.3 cm/hand
Width of tabletop = 129.45 cm
So, the width of the tabletop is 129.45 cm.
A student completed a lab report. Which correctly describes the difference between the “Question” and “Hypothesis” sections of her report?
A. “Question” states what she is asking, and “Hypothesis” states the result of her experiment.
B. “Question” states what she is asking, and “Hypothesis” states what she thinks the answer to that question is in “if . . . then . . . because” format.
C. “Question” describes what she is trying to find out, and "Hypothesis" states the procedures and methods of data collection.
D. “Question” describes what she is trying to find out, and “Hypothesis” states any additional information or prior knowledge about the question.
Answer:
B
Explanation:
Question” states what she is asking, and “Hypothesis” states what she thinks the answer to that question is in “if . . . then . . . because” format.
Thalassemia is a hereditary disease of the blood of humans resulting in anemia. Severe anemia (Thalassemia major) is found in homozygous (TMTM) and a milder form (Thalassemia minor) is found in heterozygous (TMTN). Normal individuals are homozygous (TNTN). If all individuals of Thalassaemia major die before sexual maturity, what fraction of the adult F₁ from marriages of minors with minors would be expected to be anemic?
Answer:
If all individuals with Thalassemia major die before sexual maturity, the fraction of the adult F1 from marriages of minors with minors that would be expected to be anemic would be 0.25. This is because, in such a marriage, each parent is a carrier of the trait (TMTN) and the offspring of such a marriage would thus be expected to be in a 1:2:1 ratio of normal individuals (TNTN): carriers (TMTN): individuals with Thalassemia major (TMTM). Since those individuals with Thalassemia major would not have survived to adulthood, the fraction of anemic individuals would be 0.25 (1/4).
Explanation:
If all individuals of Thalassemia major die before sexual maturity, the expected fraction of anemic individuals in the F1 generation of marriages between Thalassemia minors would be 0.25, or 25%. This is because, when two Thalassemia minors are married, the genotypes of their offspring will be 25% TT (Thalassemia major), 50% TN (Thalassemia minor), and 25% NN (normal individuals). Since only the TT individuals will be anemic, 25% of the offspring will be anemic.
The study of structure or morphology of body parts is ______ , and the study of function is _______
The study of structure or morphology of body parts is anatomy , and the study of function is physiology.
What is Anatomy?This is referred to as a field in the biological sciences which is concerned with the identification and description of the various body structures of living things such as the legs, hands, heart etc.
On the other hand , physiology is referred to as the branch of biology that deals with the normal functions of living organisms and their parts such as the heart being responsible for the pumping of blood which contains vital nutrients to various parts of the body.
Their knowledge is however important as it helps to provide the adequate knowledge and expertise required for the care and treatment of patients thereby making it he correct choice.
Read more about Anatomy here https://brainly.com/question/896286
#SPJ1
How much crude roughage is found in
concentrates?
A. Less than 18%
B. 26% -32%
C. 21%-25%
D. 19% - 20%
26% -32% crude roughage is found in concentrates.
What are the functions of roughage?Roughage is the portion of plant foods, such as whole grains, nuts, seeds, legumes, fruits, and vegetables, that your body can't digest. However, it's an important food source for the beneficial bacteria in your gut.
Roughages include pasture forages, hays, silages, and byproduct feeds that contain a high percentage of fiber. Concentrates are the energy-rich grains and molasses, the protein.
Dietary fiber, also known as roughage or bulk, includes the parts of plant foods your body can't digest or absorb. Unlike other food components, such as fats, proteins or carbohydrates which your body breaks down and absorbs fiber isn't digested by your body.
Learn more about roughage:
https://brainly.com/question/2284450
#SPJ1
What is the difference between a dominant color allele and a recessive color allele found in pea plants? Responses Both alleles code for proteins that produce pigments. The pigments produced by a recessive color allele are white. A recessive color allele codes for proteins that produce pigments. A dominant allele does not code for those proteins. A dominant color allele codes for proteins that are involved in the production of pigments. A recessive color allele does not produce a working version of these proteins. Both alleles cannot code for any proteins. Purple is the natural color of plant petals when no other factors are involved.
The differences between a dominant color allele and a recessive color allele found in pea plants is based on the facts that 5. A dominant color allele codes for proteins that are involved in the production of pigments and 6. A recessive color allele does not produce a working version of these proteins.
What are dominant and recessive alleles in a given locus?The expression dominant and recessive allele for a given locus make reference to the presence of one alle called dominant which masks the expression of the recessive allele in heterozygous individuals, which is only expressed in homozygous recessive individuals.
Therefore, with this data, we can see dominant and recessive alleles in a given locus have a distinct effect on the phenotype in the sense the recessive allele does not produce the required protein in presence of the dominant allele.
Learn more about dominant and recessive alleles here:
https://brainly.com/question/2717245
#SPJ1
Paramedics arrive on the scene of a car accident. They assess the scene and call the emergency room with the victim’s condition. The ER doctor recommends starting an IV, not to treat the patient at this time, but to establish an intravenous line should drugs need to be quickly administered later on the way to the hospital. Should the IV fluids be hypotonic, isotonic, or hypertonic to blood plasma? Explain.
Answer:
Isotonic fluids.
Explanation:
The IV fluids should be isotonic to blood plasma. Isotonic fluids have the same osmotic pressure as blood plasma, which means they will neither cause the cells to swell nor dehydrate. This is important because it allows the IV fluids to be administered quickly without causing any harm to the patient. Hypertonic fluids, which have a higher osmotic pressure, would cause the cells to dehydrate, while hypotonic fluids, which have a lower osmotic pressure, would cause the cells to swell. Therefore, isotonic fluids are the best choice for this situation.
when on enzyme is subject to excess heat
Answer:
Enzymes rely on molecular movement and collisions with the compounds they are meant to bind with -- called substrates -- so they can speed up certain chemical reactions. Increases in temperature increase molecular activity, and can result in a higher rate of collisions between enzymes and substrates. If the temperature rises too high, however, the enzymes could become denatured, and the positive effects of the temperature increase could be nullified.
Explanation:
Many enzymes lose function at lower and higher temperatures. At higher temperatures, an enzyme's shape deteriorates. Only when the temperature comes back to normal does the enzyme regain its shape and normal activity unless the temperature was so high that it caused irreversible damage.
Cell-to-Cell Communication
cells to cell communicate and research what clinical
considerations can result with this topic.
For class discussion please help me out
Answer:
Cells communicate with one another through a variety of mechanisms, including chemical signaling and direct cell-to-cell contact. These communication processes are essential for many physiological functions, such as tissue repair and immune response.
One important aspect of cell communication is the signaling pathways that are activated by different signaling molecules. These pathways control various cellular functions, such as cell growth, differentiation, and death. Dysregulation of these pathways can lead to various diseases such as cancer, autoimmune disorders, and developmental disorders.
Clinical considerations related to cell communication include:
Explanation:
Clinical considerations related to cell communication include:
Cancer: Cancer cells often have mutations in signaling pathways that lead to uncontrolled cell growth and proliferation. Targeting these signaling pathways with drugs can be an effective way to treat cancer.
Autoimmune disorders: In autoimmune disorders, the immune system mistakenly attacks the body's own cells. This can be due to a malfunction in the signaling pathways that control the immune response.
Developmental disorders: Many developmental disorders, such as Down syndrome, are caused by changes in the signaling pathways that control cell differentiation and growth.
Tissue repair: Inadequate cell communication during tissue repair can lead to chronic inflammation and non-healing wounds.
Inflammation: Inflammation is a normal response to injury, infection, and other stimuli. However, chronic inflammation can contribute to various chronic diseases such as cancer, heart disease, and diabetes.
It's important to note that more research is needed in this field to fully understand the clinical implications of cell communication and to develop effective treatments for related diseases.
Which of the following statement best describes the similarity between sexual and asexual reproduction?
Answer:
B. Both pass on genetic material to the offspring.
Asexual reproduction is a process in which organisms produce offspring without the involvement of meiosis and fertilization. The offspring produced through asexual reproduction are genetically identical to the parent organism. In contrast, sexual reproduction is a process in which organisms produce offspring through the fusion of genetic material from two parent organisms. The offspring produced through sexual reproduction are genetically diverse as they inherit a combination of genetic material from both parents. Both asexual and sexual reproduction pass on genetic material to the offspring. However, only sexual reproduction leads to genetic diversity in the offspring.
which food chain is most efficient in terms of energy transfer?
a. leaves, caterpillar ,spider, bat owls
b.plankton, shrimp, cod
c. grass, cows
d. acorn, squirrel, snake, hawk
Plankton, shrimp, cod. Plankton are primary producers, shrimp consume plankton, and cod consume shrimp. This direct energy transfer makes the food chain efficient.
Option (b) is correct.
The food chain consisting of plankton, shrimp, and cod is the most efficient in terms of energy transfer. Plankton are autotrophs (primary producers) that convert solar energy into organic matter through photosynthesis. Shrimp feed on plankton, absorbing and transferring the energy stored in the plankton to their own bodies. Finally, cod consume shrimp, efficiently transferring the energy from the lower trophic levels to their own bodies.
This food chain has fewer trophic levels compared to the other options, minimizing energy loss. Each organism directly consumes the one below it, allowing for a more efficient transfer of energy.
In contrast, the other food chains mentioned (leaves, caterpillar, spider, bat, owls; grass, cows; and acorn, squirrel, snake, hawk) involve more trophic levels, which typically results in a greater loss of energy due to metabolic processes and heat loss.
To learn more about food chain here
https://brainly.com/question/31130970
#SPJ2
describe the effects on surface area of potato of cutting the potato sticks into eight pieces
The effects of cutting the potato sticks into eight pieces would increase the surface area of the potato, and having more surface area means more area for enzymes to interact with the potato so it can be cooked easily.
What is the significance of the increased surface area of the potato?When the potato is cut into eight pieces, the surface area increases, and as the surface area increases, the cooking time decreases because the enzymes are exposed and can be deactivated when exposed to heat. So vegetables are cut before cooking.
Hence, effects of cutting the potato sticks into eight pieces would increase the surface area of the potato, and having more surface area means more area for enzymes to interact with the potato so it can be cooked easily.
Learn more about the surface area here.
https://brainly.com/question/23324694
#SPJ1
URGENT!!
Fossil evidence suggests that a number of members of one fish
species from an ancient lake in Death Valley, California became
several isolated species. Each of these new species lived in a
different pond. Which of the following best explains the cause of
this speciation?
Select one:
O geographic isolation
O episodic isolation
O behavioral isolation
O temporal isolation
Answer:
geographic isolation
Explanation:
According to fossil evidence, a number of fish from a long-gone lake in Death Valley, California split off to become numerous distinct species. These new species all resided in various ponds. Geographic isolation is probably to blame for this diversification. When a community is physically divided from another by a geographical barrier, such as a mountain range or a body of water, geographic isolation has occurred. The two populations cannot exchange genetic material because of this isolation, which results in genetic diversity and eventually the emergence of new species. In this instance, the several ponds in Death Valley have acted as physical barriers to isolate the fish population, which has resulted in the emergence of new species.
1.The process of breaking rock and sediment into smaller pieces is known as ….
A. Deposition
B. Weathering
C. Constructive force
D. Erosion
Answer:
b
Explanation:
dcos thats the answer eeeeeeeeee
An organism on which a parasite or virus lives is called a
.
An organism on which a parasite or virus lives is called a host, and in the host-parasite relationship, the host is negatively affected and the parasite gets the food for growth.
What is the host-parasite relationship?Many ecosystems have host-parasite relationships where two organisms are involved, such as the host, which is negatively affected by the relationship .The parasite is totally dependent on the host, and it can be either an endoparasite or an ectoparasite like lice.
Hence, an organism on which a parasite or virus lives is called a host, and in the host-parasite relationship, the host is negatively affected and the parasite gets the food for growth.
Learn more about the host-parasite relationship here.
https://brainly.com/question/3837156
#SPJ1
