What is genetic drift?
A. copying errors made during DNA replication
B. damage to DNA sequencing due to sunlight
C. recombination of genes
D. random loss or gain of genes
I think the answer will be:
D.random loss or gain of genes
Answer:
D. random loss or gain of genes
Explanation:
genetic drift is a random loss or gain of genes.
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The saturation of hemoglobin is __________% at the arterial PO2 of 95 mmHg, and is __________% at the venous PO2 of 40 mmHg.
The saturation of hemoglobin is 100% at the arterial PO₂ of 95 mmg and is 75% at the venous PO₂ of 40 mmHg
Saturation of HemoglobinThe saturation of hemoglobin at the arterial PO₂ is 100 percent due to the constant supply of oxygen taken in from the environment. while at the venous PO₂ the hemoglobin is 75% due to the limited supply of oxygen.
Hence we can conclude that The saturation of hemoglobin is 100% at the arterial PO₂ of 95 mmg and is 75% at the venous PO₂ of 40 mmHg.
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HELP ME FILL OUT THIS CHART PLEASE!!!!!!!!!!!!!! I NEED HELP
answer the ones you know
Answer: Deltoid- shoulder abduction
Pectoralis Major - Adduction and internal rotation of the arm on the shoulder joint
Rectus Abdominis - Flexes the vertebral column in addition to compressing the abdominal wall.
Ilioposas - Flexion and external rotation of the thigh at the hip joint
quadriceps - cross both the hip and knee joints
Tibialis Anterior dorsiflexor of the foot.
Latissimus Dorsi - Internal rotation, adduction and extension of the arm.
Rhomboid - scapular retraction around the scapulothoracic joint
Erector Spinae - straighten the back and provide for side to side rotation
Gluteus Maximus - Extension and external rotation of the thigh at the hip joint
Harmstrings - Flex knee extend the thight at your hip and rotate your lower leg from side to side when your knee is bent
According to scientists, the organisms in the picture all evolved from a common ancestor. What evidence backs up this theory? Question 1 options: The appendages of these organisms share similar function. These organisms contain very similar bone anatomy. These organisms are all of the same species. These organisms all lived in similar habitats and were therefore under similar environmental pressures.
Explanation:
These organisms contain very similar bone anatomy. i think that's it
I’ll give Brainliest
Answer:
there all mamils
they all have 6 different bones on there lim
because they all look to be the same 5 fingers
becuase it is supposto mean that we are all related
Hope This Helps
pls help ill give brainliest and 5 stars
Answer:
Mantle.Continental crust.Composition layers.Oceanic crust.Crust/Lithosphere.Explanation:
You are visiting family in tennessee. one morning, the weather is warm and humid. which type of air mass is most likely causing this weather?
The type of air mass that is most likely causing this weather is Maritime tropical.
What do you mean by Air mass?Air mass may be defined as a large volume of air in the atmosphere that is mostly uniform in temperature and moisture.
Air mass is responsible for determining the type of weather in a particular geographical location.
Therefore, the type of air mass that is most likely causing this weather is Maritime tropical.
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Answer: It is maritime tropical.
Explanation: I took the asignment on edge 2022.
problems young south African face
Answer:
The youth in South Africa face challenges such as crime, unemployment, poverty, and most importantly unequal opportunities in education. These challenges should not be present in the daily lives of South African youth, especially since it has been over two decades since South Africa's first democratic elections.
Explanation:
no Explanation
Answer:
crime, unemployment, poverty, and most importantly unequal opportunities in education.
Explanation:
HELP ASAP!
Determining Genotype and Phenotype of Peas
Identify the genotype for each numbered item.
1.
2.
3.
Item 1 is a combination of Upper R y and Upper R Upper Y. Item 2 is a combination of r y and Upper R y. Item 3 is the row label of a genotype of Upper R r Upper Y y with a column label of Upper R Upper Y. Item 4 is is a combination of r Upper Y and item 3.
Answer:
I think 1 is RRYy 2 is Rryy 3 is ry
Explanation:
hope this helps if not please let me know
During meiotic cell division,_____daughter cells are produced that are genetically___
their parent cell.
Answer:
During meiotic cell division, two daughter cells are produced that genetically identical to their parent cell.
Explanation:
I Hope This Is What You Were Looking For!
-Jusitn:)
Answer:
During meiotic cell division, four
daughter cells are produced that are genetically different from
their parent cell.
Explanation:
Predict the movement of water in the picture
Answer:
The water will move out of the cell
Explanation:
This is due to osmosis. We can infer that there is some solute outside that is making the water outside into 75%. As from rules of osmosis, higher concentrations of water will move to lower concentrations of water. So, since the cell has a higher water percentage, water will move from the cell to the outside environment to maintain homeostasis.
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An underactive thyroid (hypothyroidism) slows the metabolic rate. This translates to symptoms such as
This translates to symptoms such as weight gain and fatigue.
Symptoms of hypothyroidismHypothyroidism is defined as the endocrine disorder in which the thyroid hormone is deficient or under secretion of the hormone.
The thyroid hormone is used for the following purposes in the body:
Regulates the rate at which your body uses calories (energy). It affects weight loss or weight gain and which is called the metabolic rate.When the thyroid hormone is deficient, the following is bound to occur:
Fatigue,Weight gain, andSensitivity to cold.Therefore a decrease in the metabolic rate of the body will lead to fatigue and gaining of weight.
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What would happen if the concentrations of carbon dioxide and methane rose too high?
Answer:
I'm assuming this means concentrations of the atmosphere*
Explanation:
Carbon dioxide are both considered greenhouse gasses. This means whenever they are in the atmosphere, they absorb heat from the sun and trap it within the atmosphere. In general, greenhouse gasses are a good thing. They trap heat in the Earth during nighttime so we do not freeze when we don't have the sun. However, since the Industrial revolution, the overuse of fossil fuels which are made of carbon and sometimes have high methane concentrations have lead to an excess amount of these gasses in our atmosphere. If concentrations become too high, the Earth's climate will continue to display higher average temperatures, leading to a complete change in our environments as once glacial areas will begin to display more temperate climates, and temperate and warm climates will become even hotter. Ecosystems in every area will be severely damaged, with many species likely facing extinction. Additionally, sea levels will rise much higher, both due to the melting of glaciers into the ocean and also because warmer climates will make the ocean warmer, meaning the molecules of water will spread farther apart and increase the volume of the ocean.
The diagram shows the life cycle of a fern what does stage 1 show
Answer:
An adult fern
Explanation:
The life cycle of a fern starts with an adult fern, that's ready to either fertilize or release its seeds to start the actual cycle of life.
Who first observed bacteria in 1676?
A.
Antoine van Leeuwenhoek
B.
Madame Curie
C.
Albert Einstein
D.
Carl Linnaeus
Antoine van Leeuwenhoek
The sky of early Earth was probably pinkish-orange. As life became established, the sky turned blue. What was responsible for the color change?
what evidence do you have that food molecules have energy
What is the value of transitional epithelium in the urinary system?.
Answer:
Unlike the mucosa of other hollow organs, the urinary bladder is lined with transitional epithelial tissue that is able to stretch significantly to accommodate large volumes of urine. The transitional epithelium also provides protection to the underlying tissues from acidic or alkaline urine.
Explanation:
Gibberellins are hormones produced in the root tips of plants. The plant uses these hormones to stimulate the growth of shoots. How are gibberellins able to affect other parts of the plant?.
The other parts of plant are also affected due to gibberelin because it stimulate the growth of shoots which is the upper portion of the plant.
How gibberellins able to affect other parts of the plant?Gibberellins stimulate the growth of shoots which increase in the biomass and vegetative growth of plant. If vegetative growth increases, the root biomass is also increases.
So we can conclude that other parts of plant are also affected due to gibberelin because it stimulate the growth of shoots which is the upper portion of the plant.
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Label the tissue layers of the small intestine
1. Serosa.
2. Outer-longitudinal.
3. Sub-mucosa.
2
4. Mucosa.
5. Intestinal villi.
6. Lumen.
What type of cross-section is this?
2 m
Page 3 of 4
692 words
LX
English
Address all elements of the prompt in your response
Paraphrase, quote and
Focus
ES
Answer:
sorry cannot paste a pic look it up
Explanation:
sorry
A normal haired man marries a normal haired woman, but they have a son who develops baldness. Explain how the son inherited this disorder and from who he inherited the trait.
Explanation:
maybe the mom or dad's dad was bold and it skipped a generation
Which is NOT a shape of bone?
A. round
B. long
C. short
D. flat
Instructions: (H.W. # 4) Bubble in correct answers and write responses to the constructed response questions. Base your answers to questions 1 and 2 on the information and diagram below and on your knowledge of biology. The diagram represents a cell. A B 1) Which structure is responsible for the passage of materials into and out of the cell? (1) A (3) C (2) B (4) D Support your answer to question (1) with a written response..
Answer:
Answer = A
Explanation:
The cell membrane separates the material
Extracellular and intracellular materials are separated by the cell membrane. Controls the flow of substances into and out of a cell and maintains the integrity of a cell. The cell membrane, or cell boundary, must provide access to all materials within a cell.
In the context of the soybean cyst nematode: __________ is the ability of a hybrid or variety to maintain yield even when diseased and __________ is defined as a plant that allows 10% or less reproduction relative to a standard, susceptible soybean variety
In the context of the soybean cyst nematode: tolerance is the ability of a hybrid or variety to maintain yield even when diseased and resistance is defined as a plant that allows 10% or less reproduction relative to a standard, susceptible soybean variety.
What is tolerance and resistance?Generally, Tolerance refers to a hybrid's or variety's capacity to retain yield even when sick. while a plant is described as resistant if it enables 10% or less reproduction compared to a conventional, susceptible soybean variety.
In conclusion, Tolerance, and resistance complete the sentence.
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The selection of antibiotic resistant bacteria is an example of:.
The selection of antibiotic resistant bacteria is an example of natural selection.
What is natural selection?Natural selection is the process whereby organisms that are better suited or adapted to their environment have more chance of survival.
Antibiotic resistance is a phenomenon of certain bacteria that gives them an edge over their susceptible counterparts.
Antibiotic resistance is caused by evolution through the process of natural selection.
Therefore, the selection of antibiotic resistant bacteria is an example of natural selection.
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Nile crocodiles have Egyptian plover birds that’s feed on any parasites inside their mouth what is this relationship called
Answer:
Mutualism
Explanation:
Mutualism definition - describes the ecological interaction between two or more species where each species has a net benefit.
During which phase of the cell cycle is the cell growing and preparing for cellular division
Answer:
interphase
Explanation:
A cell spends most of its time in what is called interphase, and during this time it grows, replicates its chromosomes, and prepares for cell division.
Which cellular function of carbohydrates and lipids should be placed in the shared section of the Venn diagram?
The cellular function of carbohydrates and lipids which should be placed in the shared section of the Venn diagram is that they store energy.
What is Energy?This is defined as the ability to do work and the major biomolecules which store energy are carbohydrates and lipids.
This shared property between the two molecules is why it should be placed in the shared section of the Venn diagram.
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In which form is most carbon dioxide transported in the blood?.
The table lists some organelles and functions. Only one pair is correctly matched.
Functions of Organelles
Organelle Function
Nucleus Directs cell activity
Endoplasmic reticulum Breaks down sugar molecules to supply energy
Golgi apparatus Supports and protects organelles in the cell
Lysosome Produces proteins for the cell
Which organelle in the table is correctly matched with its function?
nucleus
endoplasmic reticulum
Golgi apparatus
lysosome
The function and the nucleus are appropriately matched. The nucleus, which serves as the cell's command centre, controls every activity. DNA and RNA, which make up genetic material, are in charge of encoding the instructions necessary for the cell to carry out its duties.
What happens in the case of nucleus in the cell division ?In addition to directing the replication of genetic material and the generation of new cells, the nucleus is involved in cell division. Additionally, the endoplasmic reticulum is well suited to its function.
A network of interconnecting tubes and sacs called the endoplasmic reticulum is in charge of the synthesis, processing, and movement of proteins and other chemicals inside of the cell. In order to provide the cell energy, it also breaks down sugar molecules.
The function of the Golgi apparatus is appropriately matched. The sorting, processing, and packaging of proteins and other molecules is carried out by the Golgi apparatus, a network of flattened sacs and tubes. By giving the organelles a protective covering, it also helps to sustain and safeguard the organelles within the cell.
The function of the lysosome is mismatched with it. The digestive enzymes in the lysosome, a membrane-bound organelle, are in charge of dissolving and recycling cellular waste and damaged organelles. It doesn't make cell-specific proteins.
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