Answer:
Evolution of cells.
Explanation:
The hypothesis that eukaryotic cells evolved from a symbiotic association of prokaryotes—endosymbiosis—is particularly well supported by studies of mitochondria and chloroplasts, which are thought to have evolved from bacteria living in large cells.
Answer:
Evolution of cells. The hypothesis that eukaryotic cells evolved from a symbiotic association of prokaryotes—endosymbiosis—is particularly well supported by studies of mitochondria and chloroplasts, which are thought to have evolved from bacteria living in large cells.
hope this helps!!:)
Explanation:
I will give 10 points!
Answer:
B. Corn syrup is a hypertonic solution and distilled water is a hypotonic solution.
Explanation:
Students observed several prepared slides of a process that occurs in a dividing onion cell. They observed haploid cells in one slide, centromeres that did not separate during anaphase in another slide, and two different cell divisions resulting in four daughter cells in other slides. Which statement is NOT true about the process that was observed?
Answer: B
Explanation:
Answer:
B
Explanation:
an allele whose effect remains hidden when is paired with a different allele is called
A. Invisible
B. Dominant
C. Waldo
D. Recessive
Hypotonic, hypertonic, or isotonic?
Please help me answer this question!
Explanation:
if solute is 43% inside the cell then water is 57% (100%-43% = 57%)
outside; 100% - 60% = 40% water
it is hypertonic because water concentration is high inside the cell than outside, hence water flows to the outside of the cell.
What is simple diffusion?
Answer:
Facilitated diffusion is the process of spontaneous passive transport of molecules or ions across a biological membrane via specific transmembrane integral proteins
Explanation:
.
Answer:
the movement of molecules through a cell membrane without using a channels formed by intergal membrane protein is called simple diffusion
I need help fast, please and thank you.
Amy hikes down into the Grand Canyon to see Havasu Falls, a waterfall famous for its blue-green water and rock formations.
How does water shape Earth’s surface? What is the main way the hydrosphere interacts with the geosphere at Havasu Falls? Explain how this process forms waterfalls.
Basically when water goes over the earth it corrodes it and in that way shapes the earth's surface. The hydrosphere corrodes the gyoshere at Havasu Falls.
The hydrosphere is interacts with the geosphere at Havasu falls via Erosion. The erode of waterfalls softer surface of the rocks that leads to shaping the Earth's surface.
What is Geosphere?
The geosphere is the layer of Earth which consists of solid rock and other rocky materials. In contrast it could be said that the geosphere is a part of the physical, solid Earth which excludes hydrosphere (i.e. oceans, lakes, and rivers) or the atmosphere (the layer of gases that separates the ground from space).
The term geosphere is basically the the crust portion of earth, as the crust elucidates the outer layer of earth's rigid portion.
The geosphere is basically all about processes, the rock cycle processes consisting of metamorphism, melting and solidification, weathering, erosion, deposition, and burial, these constant process are responsible for the recycling of rocks on Earth between sedimentary, igneous, and metamorphic states.
Thus, the hydrosphere is interacts with the geosphere at Havasu falls via Erosion. The erode of waterfalls softer surface of the rocks that leads to shaping the Earth's surface.
Learn more about Geosphere, here:
https://brainly.com/question/5137630
#SPJ2
Use Vocabulary
1 The process in which hot mantle rises and
cold mantle sinks is called
2.What is the plate tectonics theory?
I need the answer to both
Answer:
1. The process in which the hot mantle rises and the cold mantle sinks is called. subduction
2. The theory of plate tectonics states that the Earth's solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere, the molten upper portion of the mantle
Explanation: i hope this helps
please help asap i will mark brainliest
Answer:
it's a
Explanation:
Answer:
The surface area to volume ratio decreases
Explanation:
When the cell increases in size, the volume increases faster than the surface area, because volume is cubed where surface area is squared.
When there is more volume and less surface area, diffusion takes longer and is less effective. This is because there is a greater area that needs to receive the substance being diffused, but less area for that substance to actually enter the cell.
This is why cells divide. When they become too large and it takes too long for them to transport materials across the cell, they lose efficiency and divide in half to increase the surface area to volume ratio.
Each of two dulicated strands of a chromosomes is called a
Answer:
Chromatid
Explanation:
A chromatid is one of two identical halves of a replicated chromosome. ... Following DNA replication, the chromosome consists of two identical structures called sister chromatids, which are joined at the centromere
As pictured above, a sugar cube is dropped into a beaker of water. What cell transport process is represented by this image and how are the particles moving ?
Facilitated Diffusion: low to high concentration
Passive Transport: moving equally to uniform concentration
Diffusion: high to low concentration
Active transport: low to high concentration
The lipid bilayer of the membrane prevents glucose from passing through since it is a big, polar molecule. In order to move through, it requires carriers known as glucose transporters, hence option A is correct.
What is the cell transport process?A secondary active transport mechanism in which glucose is transported with sodium ions moves glucose against a concentration gradient in the colon and renal proximal tubule.
Examples of substances that traverse the plasma membrane utilizing facilitated diffusion include sugars and amino acids, glucose transport is an example of facilitated diffusion.
Therefore, GLUT transporters are a category of carrier proteins that transport glucose sugars and related hexose carbohydrates across the plasma membrane, hence option A is correct.
Learn more about Diffusion, here:
https://brainly.com/question/14387266
#SPJ2
*HELP WILL GIVE BRAINLIEST*
In our solar system, how do the general characteristics (composition, number of moons, presence of rings, and atmosphere) of the outer planets differ from the general characteristics of the inner planets?
Answer:
The four Inner planets have slower orbits, slower pin, no rings and they are made of rock and metal. The four Outer planets have faster orbits and spins, a composition of gases and liquids, numerous moons, and rings.
The Outer planets are made of hydrogen and helium, so they are called gas giants.
FollowMeForMoreQuestions
#brainly.com
The solar system has eight planets, the remaining four are outer planets, and four are inner planets, beyond the asteroid belt are the outer planets.
How do outer planets differ from inner planets?The term "Jovian planets" refers to gaseous outer planets. Terrestrial planets are the inner planets. While inner planets only have one to two moons, outer planets have a large number of moons.
Compared to outer planets, inner planets are located closer to the Sun. The size of the outer planets is greater than that of the inner planets.
The orbital periods of outer planets are longer than those of inner planets. Unlike inner planets, outer planets have a ring system.
Therefore, the four outer planets have a more extensive moon and ring systems, longer orbits and spins, and are made up mostly of gases and liquids.
Learn more about planets, here:
https://brainly.com/question/13421990
#SPJ2
Match the following DNA strand to its complementary strand of RNA
TTA - CAA - ACC - ATA
Question options:
AAU - GUU - UGG - UAU
AAT - GTT - TGG - TAT
AAU - CTT - TGG - TAT
ATG - CCG - AAT - TCG
Answer:
AAU - GUU - UGG - UAU
Explanation:
Thymine is present in RNA strands as the base Uracil, making there an inability to have Thymine in an RNA strand.
Hope this helped :)
Answer:
The first option: AAU - GUU - UGG - UAU
Explanation:
RNA has the nitrogenous bases adenine (A), uracil (U), guanine (G), and cytosine (C). A pairs with U while G pairs with C. The thymine (T) from the DNA must be complemented by the adenine (A) from the RNA, too.
Knowing this, the complementary strand of RNA would be the first option. Another way of finding the answer would be noticing that all the other options have thymine (T), which is a nitrogenous base RNA does not have.
7. How many cells are formed at the end of meiosis and cytokinesis?
Answer:
Cytokinesis follows, dividing the cytoplasm of the two cells. At the conclusion of meiosis, there are four haploid daughter cells that go on to develop into either sperm or egg cells.
hope this helps!!:)
Explanation:
If we add a cat to the tree from the sub-mission "Familiar Faces" and add the trait "warm-blooded" to the mix (which both the dog and the cat would have) draw where would you put the cat on the tree to the left. Explain how you made that decision.
Answer:
Cats:
Cats plays the role of pets by human beings from many centuries, as they are considered as loyal and more over holds a place in the history of the human civilizations. But, if look into its biological background and analyze its phenotypic traits and properties, they look more similar to most of the lions, tigers, lynx and many other species which are categorized inside the family Felidae.
Explanation:
Organisms related to cats:
There are many organisms which share some of the phenotypical traits with the cats, and most of them are considered are also considered as "big cats", as they include the lions, tigers, and many other organisms from the same family. While, the cats are more smaller in size and have less developed features as compared to the other species related. As the cats can not roar while they can only purr, along with which cats have less hunting instinct and are found mostly eating the food offered by there masters or look for left overs.
In the 1980s, British researchers demonstrated that a human gene could be inserted
into the cells of a particular strain of yeast that had a defective gene. Once inserted,
the human gene worked perfectly in the yeast. What correctly explains this
occurrence?
The yeast cell and a human cell carry the same type of gene.
O The yeast cell mutated the gene to make it compatible.
O The human cell changed the yeast cell's genetic information once it was inserted.
O The human cell and the yeast cell developed a symbiotic relationship.
The correct explanation of the statement that the human gene worked perfectly on the yeast is the yeast cell mutated the gene to make it compatible.
The correct option is (B).
What is gene transfer?Gene transfer is a method of transferring gene into other animal through DNA recombination technology.
Both germ line and somatic mutations are possible with gene transfer.
The activity of a whole metabolic pathway is affected when the concentration of a signal peptide, such as growth hormone, is increased.
Gene transfer has a great importance in science and technology.
Thus, in the cases, the gene mutated itself to work perfectly on a yeast cell. The correct option is (B).
Learn more about, gene transfer, here
https://brainly.com/question/787658
What types of cells does it take place in cellular respiration?
Answer:
Every cell
Explanation:
In 1912, Alfred Wegener hypothesized that all the continents were once joined together in one giant landmass. This is known as the hypothesis of continental drift. Which of the following contained clues that led Wegener to his hypothesis?
Group of answer choices
a. land features, fossils, and climate
b. mid-ocean ridges, fossils, and climate
c. land features, fossils, and sea-floor spreading
d. mid-ocean ridges, fossils, and weather
Answer: c. Land features, fossils and sea floor spreading.
Explanation: First, climate and weather were not associated with Wege er’s reasoning.
Land features: an important clue for Wegener was in the current shapes of South America and Africa. Looking at them on a map, one can see their adjacent coastlines are almost a perfect fit.
Fossils: He noted that, for example, the same fossils appeared in Scotland and the east coast of North America
Sea-floor spreading: the discovery of seafloor spreading under the Atlantic Ocean gave Wegener a clue as to how continents could move apart.
HELPPPPPPPPPPPPPPPPP PLZZZZZZZZZ
All living organisms store genetic information that can be passed on from parent to offspring. How does the biomolecule responsible for storing this information differ from other biomolecules?
It is made up of fatty acids, whereas other biomolecules are made up of nucleotides, monosaccharides, or amino acids.
a. It is made up of nucleotides, whereas other biomolecules are made up of monosaccharides, fatty acids, or amino acids.
b. It is made up of monosaccharides, whereas other biomolecules are made up of fatty c. acids, amino acids, or nucleotides.
d. It is made up of amino acids, whereas other biomolecules are made up of nucleotides, fatty acids, or monosaccharides.
Answer:
A i think
Explanation:
Lipids are biological compounds that cannot dissolve in water. Lipids are physically distinct from other macromolecules including carbohydrates, proteins, and nucleic acids due to this distinctive physical attribute. Thus, option A is correct.
What biomolecule responsible for storing this information?Polymers called nucleic acids are used to store, communicate, and express genetic information. The sequences of monomers that make up nucleic acids include this information.
DNA (deoxyribonucleic acid) and RNA are the two different forms of nucleic acids (ribonucleic acid). Genetic information is stored and transmitted by DNA.
Therefore, It is made up of nucleotides, whereas other biomolecules are made up of monosaccharides, fatty acids, or amino acids.
Learn more about biomolecules here:
https://brainly.com/question/25817353
#SPJ2
which of the following health problems is not likely to be magnified by exposure to air pollution?
a. heart attacks
b. diabetes
c. asthma
d. strokes
Answer:
B - Diabetes
Explanation:
just took the quiz
Diabetes is a health problem that is not likely to be magnified by exposure to air pollution.
What is diabetes?This is a form of metabolic condition in which the pancreas produces very little insulin or the insulin generated cannot be utilized properly by the body.
Glucose is derived from the foods we consume. Insulin is a hormone that aids in the movement of sugar from the bloodstream into all of the body's cells so that it can be stored and used for energy. If the body does not create enough insulin, glucose builds up in the body, which is known as prediabetes.
Thus, we can conclude that option B is correct.
You can learn more about diabetes here:
https://brainly.com/question/504794
#SPJ2
why do different countries use different poverty lines ?
Answer:
hope it helps
Explanation:
Different countries have different poverty lines because the cost of living varies form country to country.In some countries the income required to live a decent life(above poverty line)is lower than the income required to live a decent life in another country.
Which would be an activity that would remove carbon dioxide from the atmosphere?
A. burning a tree
B. driving a car
C. adding animals
D. adding plants
Answer: D
Explanation:
Photosynthesis removes carbon dioxide naturally .
Adding plants in the environment would remove carbon dioxide from the atmosphere because they use carbon di oxide for photosynthesis and release oxygen. Therefore, option (D) is correct.
What is photosynthesis?The process by which green plants and some other species use sunshine to create meals from carbon dioxide and water. Chlorophyll, a green pigment, is typically involved in the process of photosynthesis, which results in the production of oxygen as a byproduct in plants.
A third of the carbon dioxide emissions that are released into the atmosphere each decade as a result of the burning of fossil fuels are captured by plants and soils, primarily through the process of photosynthesis.
Therefore, option (D) adding plants is the correct option.
Learn more about photosynthesis, here:
https://brainly.com/question/26494694
#SPJ2
How many phases occur In mitosis and meiosis ?
which of these are a producer
A. cactus
B. snake
C. goose
D. mouse
Answer:
cactus maybe I think hope it helps
Answer:
I believe it’s the cactus.
Explanation:
Because it makes it’s own food
I hope this helps you! :)
Describe a semipermeable membrane.
Answer:
A semipermeable membrane is a barrier that will only allow some molecules to pass through while blocking the passage of other molecules. A semipermeable barrier essentially acts as a filter. Different types of semipermeable membranes can block out different sized molecules. A semipermeable membrane can be made out of biological or synthetic material.
Explanation:
Answer:
A semipermeable membrane is a type of biological or synthetic, polymeric membrane that will allow certain molecules or ions to pass through it by osmosis—or occasionally by more specialized processes of facilitated diffusion, passive transport or active transport.
4. What role do the muscles and blood vessels play in the negative feedback loop of thermoregulation?
A) integration centers B)sensors
C)stimuli
D)effectors
Answer:
D)effectors
Explanation:
Skeletal muscles constitute an additional effector in this feedback loop because they quickly contract in response to a drop in body temperature, hence option D is correct.
What is a negative feedback loop of thermoregulation?Blood flow is decreased, and the environment loses less heat as a result because blood vessels close to the skin constrict. Shivering helps the body produce heat, which raises body temperature.
The body starts to sweat when the hypothalamus senses that it is too hot, trying to bring the body's temperature back down to normal. Sweating will cease after the body temperature has returned to normal.
Therefore, the muscles and blood vessels play as effectors in the negative feedback loop of thermoregulation, hence option D is correct.
Learn more about thermoregulation, here:
https://brainly.com/question/29750548
#SPJ2
please helppppflfkgnf
Answer:
D
Explanation:
write a conclusion that answers the conclusions, "How is the heart
used to maintain homeostasis during exercise?"
Answer:The cardiovascular system helps to maintain homeostasis with respect to body temperature. An increased heart rate increases the delivery of blood to skin.
A b c or d pls help !!?
Answer:
A
Explanation:
Find the remainder when the function
[tex]x^{3} + 2 {x}^{2} - 3x + 4[/tex]
Answer:
The correct answer is = 10
Explanation:
Given: [tex]x^{3} + 2 {x}^{2} - 3x + 4 [/tex]
Formula/Theorem using:
Remainder theorem = if the polynomial p(x) is divided by the binomial x-a then p(a) will be the remainder.
Solution:
using remainder theorem;
p(x) = [tex]x^{3} + 2 {x}^{2} - 3x + 4 [/tex]
divided by binomial x+2, then
p(-2) = [tex](-2)^{3} + 2 (-2)^{2} - 3(-2) + 4[/tex]
= -8 + 8 + 6 + 4
= 10
Which of the following best describes a monomer?
Answer:
DINO
Explanation:
DINO+NUGGIES=DINUGGIES
