How does meiosis reduce the number of chromosomes contained in a cell?
A. The cell divides once without replicating first.
B. Meiosis is a two-step process, and the cell divides twice.
C. Half the chromosomes are destroyed when the cell divides.

Answers

Answer 1

Answer:

A

cell division makes the number of chromosomes get reduced to only a half of the original

Answer 2

Answer:

B Meiosis is a two-step process, and the cells divide twice

Explanation:

Tried A on my test and was wrong. B was correct


Related Questions

50 points!!
What type of nerve ending senses where parts of the body are located?
mechanoreceptors
pain receptors
proprioreceptors
thermoreceptors

Answers

Answer:

it is near the skins surface

Explanation:

and there based on morphology like so you feel warmth cold and freezing sweating all

Type of Receptor Location Sensation

Ruffini's corpuscles Dermis Touch, pressure, propioception

Nerve ending Hair follicle Touch

Cold receptor Dermis Cold

Warm receptor Dermis Warmth

-526073

Answer:

proprioreceptors

Explanation:

Identify the interaction used to describe each type of interdependence among organisms. having too many fish in a pond can limit the amount of food and space available. the cheetah population depends on the gazelle population for food.

Answers

The dependence of the cheetah population on the gazelle population for food shows a kind of interdependent interaction.

What are interdependent interactions?

They are a form of interaction between two organisms in which the survival of one is dependent on the other.

If the organism whose existence is important to the existence of the other should go extinct, it will greatly affect the survival of the latter.

Aside from going extinct, the rise and fall of one of the organisms affect the other either positively or negatively as well.

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Answers:

competition

predation

increase

Explanation:

Identify the interaction used to describe each type of interdependence among organisms.

✔ competition

Having too many fish in a pond can limit the amount of food and space available.

✔ predation

The cheetah population depends on the gazelle population for food.

Given the relationships identified above, determine what would happen to the populations under the following circumstances.

✔ increase

If the cheetah population decreases, what would happen to the gazelle population?

Got 100% on Instruction. Good luck :)

Explain two ways in which the alveoli are adapted to increase the efficiency of gas exchange​

Answers

Answer:

Adaptations of the alveoli:

Moist walls - gases dissolve in the moisture helping them to pass across the gas exchange surface. Permeable walls - allow gases to pass through. Extensive blood supply - ensuring oxygen rich blood is taken away from the lungs and carbon dioxide rich blood is taken to the lungs.

All living things need nitrogen in order to survive. which organic macromolecules do living
things build using nitrogen?
select all that apply.
a
protein
b
carbohydrates
c
lipids
d
nucleic acids

Answers

Nitrogen is an essential component for living cells, as it is involved in synthesis of amino acids and nucleic acids. These amino acids polymerize to form proteins. So the organic macromolecules do living things build using nitrogen is protein and nucleic acids, i.e., option a and d.

What are amino acids?

Amino acids are the smallest unit or one can say building block of protein.

It usually have an amino group and a carboxyl group and a side chain. It is linked together by peptide bonds.

As it has an amino group, it requires nitrogen for its formation, and it will ultimately form protein.

Nitrogen is also required for the formation of nucleic acids i.e., DNA and RNA.

Thus, the correct option is a and d.

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A trait has two alleles represented by p and q. If p=0.22 what is q

Answers

Answer:

0.78

Explanation:

By using the Hardy-Weinberg equation.

Explain Why would you want to use topographic map on a hiking trip? (In paragraph please)

Answers

Answer:
You can use a topographic map´s a topographical map can help you determine the layers of mountains. It can also tell you the accurate coordinates and navigation.
Explanation:

the
If you travel inland from the shores of the present
Lake Michigan, which was once much larger than it
today, you would travel through the following ar
1.
the present sandy beach
2.
grasses
3.
a cottonwood forest
4.
a pine forest
5.
an oak forest
6. a beech-maple forest (where the origina
shoreline was located)

Answers

If you happen to travel inland from the  shores of the present Lake Michigan, you would travel through a pine forest.

What is Lake Michigan?

The Lake Michigan is one of the largest lakes in the United States. It used to be a very large lakes in the United States.

If you happen to travel inland from the  shores of the present Lake Michigan, you would travel through a pine forest.

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Describe how the kidney and bladder work together to remove waste from the body (y'all I understand nothing about biology)

Answers

the kidneys remove any waste that is not needed in ur body then ur bladder lets all the waste out

If the genotype is heterozygous, what is the expressed phenotype?

Rr

dominant


recessive


RR

Answers

If a genotype is heterozygous, the big letter would dominate the little letter

Borh worker and queen bee are developed from fruel eggs .but why workers bee can not reproduce like that of queen bee?​

Answers

Answer:

------->

Explanation: Why worker egg-laying occurs in honey bee colonies. Usually, colony behavior, egg-laying, and ovary development in worker honey bees are prevented by queen pheromones and open brood pheromones. However, in the absence of these regulating pheromones, workers may develop ovaries that will enable them to lay their own eggs.

bacterium
What caused the evolution of antibiotic-resistant bacteria?

Answers

Answer:

The development of generations of antibiotic-resistant microbes and their distribution in microbial populations throughout the biosphere are the results of many years of unremitting selection pressure from human applications of antibiotics, via under-use, overuse, and misuse.

Explanation:

Hope this helps :^)

PLEASE HELP! EASY!!
Which genotype below is identified as homozygous recessive?

Question options:

A) white hair
B) hh
C) HH
D) brown hair

Answers

The answer is option B: hh

homo means "two of", and a lowercase letter is indicative of a recessive allele.

Which of the following is a way to mitigate global warming?

Answers

Mitigation strategies include retrofitting buildings to make them more energy efficient; adopting renewable energy sources like solar, wind and small hydro; helping cities develop more sustainable transport such as bus rapid transit, electric vehicles, and biofuels; and promoting more sustainable uses of land and forests. 

Compare and contrast the left and right hemispheres of the brain, briefly describing their primary functions.

Answers

The Split-brain theory describes the differences between left brain and right brain characteristics, functions, and understand the dominance brain.

What is split-brain theory?

The split-brain phenomenon is caused by the surgical severing of the corpus callosum, the main route of communication between the cerebral hemispheres. The classical view of this syndrome asserts that conscious unity is abolished

The left brain handles reading, writing, and calculations. Some call it the logical side of the brain whereas The right brain is more visual and deals in images more than words. It processes information in an intuitive and simultaneous manner.

The left hemisphere controls the muscles on the right side of the body while the right hemisphere controls those on the left.

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Which phrase correctly identifies one way that veins function in the circulatory system?
Blood is carried under high pressure in veins.
Gas exchange takes place over the thick walls of veins.
Blood is prevented from backflow by valves in veins.
Nutrient exchange takes place over the thin walls of veins.
Veins carry blood back to the heart--often against the pull of gravity.

Answers

It’s E. Veins carry blood back to the heart often against the pull of gravity

Answer:

Blood is prevented from backflow by valves in veins.

Explanation:

4. Explain why nuclear radiation can be used to preserve food.

Answers

Answer:

The radiation destroys food-borne bacteria. Radiation is measured in units called rads. The FDA allows exposure of up to 100,000 rads for already approved foods. At this level, gamma rays penetrate the food and kill bacteria and other infectious organisms by preventing the organisms from dividing and growing

Explanation:

Products that do not waste energy are described as ______.
A) compact fluorescent
B) energy efficient
C) hybrid vehicle
D) consumer
E) fuel cell
F) mandated

Answers

Answer:B) energy efficient

Hope this helps

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Scientists at the university of florida recently said they had grown a plant related to mustard greens in what kind of soil, though the plant was less healthy than local crops?.

Answers

The type of soil in which the scientists had grown a plant related to mustard greens is : Moon soil

What is moon soil ?

Moon soil is the type of soil which is found in the moon. scientists at the university have discovered that plants can grow in moon soil after they  had successfully grown a plant related to mustard greens although with slight differences in quality in moon soil after almost a decade of research been carried.

Hence we can conclude that The type of soil in which the scientists had grown a plant related to mustard greens is Moon soil.

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William used a hammer to pound a nail into a wooden board. When the nail
was about halfway through the board, he stopped and turned the board upside
down. The nail stayed in place in the board. Which of the following acts on the
nail to keep it in place in the board?
F. friction
G. gravity
H. magnetism
I. weight

Answers

The answer would be (F) Friction

A client has had a kidney transplant performed for end-stage kidney disease. What type of immune response that T-cell lymphocytes perform is related to this type of surgery

Answers

The type of immune response that T-cell lymphocytes have related to this type of surgery is cell-mediated response.

What is the cell-mediated response?

The cell-mediated response is a type of cellular response where cells of the immune system work to maintain a healthy state.

This type of response (cell-mediated response) is associated with the activation of inmmune T cells.

In conclusion, the type of immune response that T-cell lymphocytes have related to this type of surgery is cell-mediated response.

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Cells that contain membrane-bound organelles are known as.

Answers

Answer:

Eukaryotes

Explanation:

are organisms whose cells contain a nucleus and other membrane-bound organelles.

Which statement best explains why DNA is replicated within the cell?

Answers

Explanation:

Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell. The replication process relies on the fact that each strand of DNA can serve as a template for duplication.

1. (b) How does transpiration provide water for essential life processes in plants?

Answers

Answer:

Concentration gradient forces the water to flow passively from the soil to the root, and to move up through the stem in the xylem and evaporates through stomata in the leaf. In such a way transpiration provides water for essential life processes in plants.

6. List three economic benefits of biodiversity.

Answers

Explanation:

Provision of wild harvested food products such as fish, large and small animals, and maple syrup. Provision of medicinal plants and raw materials for pharmaceuticals. Enabling nature-based tourism and the hunting and fishing industry.

Why is a predator/prey relationship important

Answers

Answer:

Predator-prey relations are an important driving force to improve the fitness of both predator and prey. In terms of evolution, the predator-prey relationship continues to be beneficial in forcing both species to adapt to ensure that they feed without becoming a meal for another predator.

Explanation:

Hope this helps!!

Which from the list is the first step in protein synthesis?

A) The initiator codon binds to the first transfer RNA
B) Two ribosome bind subunits bind to messenger RNA
C) Amino acids produced bonds to form a polypeptide chain
D) The anti-codon of another transfer RNA binds to messenger RNA

Answers

It’s answering B

Because the first step of protein synthesis is transcription where the DNA code changes to RNA code.
Let me know if this help with your question :)

Name each of the following compounds
3.1 CaSO4
3.2 CO
3.3 (NH4)2CO3
3.4 SiO2
3.5 SO3
3.6 Fe2O3
3.7 KBr

Answers

3.1 Calcium sulfate aka gypsum often used for construction

3.2 carbon monoxide dangerous part of exhaust

3.3 ammonium carbonate used in baking powders

3.4 silicon dioxide aka silica for making glass

3.5 Ferric oxide used in paints and coatings

3.6 potassium bromide which was used in veterinary medicine for the treatment of epilepsy

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healthline

byjus

eurosileu

Which is a tectonic process that forces rock up from beneath earth's surface

Answers

Answer:

Uplift is a tectonic process that forces rock up from beneath earth's surface

Uplift is a tectonic process that forces rock up from beneath earth's surface.

What is tectonic process?

The process of plate tectonics may be driven by convection in Earth's mantle, the pull of heavy old pieces of crust into the mantle, or some combination of both.

Uplift, in geology, vertical elevation of the Earth's surface in response to natural causes. Broad, relatively slow and gentle uplift is termed warping, or epeirogeny, in contrast to the more concentrated and severe orogeny, the uplift associated with earthquakes and mountain building.

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The roof of an eco-house is covered with soil. Covering the roof with soil decreases the thermal conductivity of the roof. What are the two of the choices listed below are advantages of having a roof with a lower thermal conductivity?

1) Less energy is needed to heat the house.

2) The rate of energy transfer by conduction is greater.

3) The roof is a better insulator.

4) The roof is less likely to leak.

5) Weather will have a greater effect on the temperature of the house.​

Answers

Answer:

To understand how insulation works it helps to understand heat flow, which involves three basic mechanisms -- conduction, convection, and radiation. Conduction is the way heat moves through materials, such as when a spoon placed in a hot cup of coffee conducts heat through its handle to your hand. Convection is the way heat circulates through liquids and gases, and is why lighter, warmer air rises, and cooler, denser air sinks in your home. Radiant heat travels in a straight line and heats anything solid in its path that absorbs its energy.

Most common insulation materials work by slowing conductive heat flow and convective heat flow. Radiant barriers and reflective insulation systems work by reducing radiant heat gain. To be effective, the reflective surface must be in contact with an air space.

Answer:

Explanation:

A thick layer of material with a low thermal conductivity reduces the rate of heat transfer from the ceiling into the roof space.

A hypothesis must be _____.
controlled
testable
changed
scientific

Answers

Answer:

Testable

Explanation:

Hypothesis is a tentative idea that may prove to be the answer for problem so it may be testable

PLEASE MARK ME BRAINLIEST IF MY ANSWER IS CORRECT PLEASE

Answer:

testable

Explanation:

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