In one of the first steps in Prophase I of meiosis,
A) the cell divides into four daughter cells.
B) the chromatids separate and move to opposite ends of
the cell.
C) half of the chromosomes are made inactive.
D) homologous pairs of chromosomes form tetrads

Answers

Answer 1

Answer:

D) homologous pairs of chromosomes form tetrads

Explanation:

During prophase I, the homologous chromosomes condense and become visible as the x shape we know, pair up to form a tetrad, and exchange genetic material by crossing over.


Related Questions

Hi i was wondering what a strong CER would be for the following scientific question:
‘How does gene expression differ between human fibroblasts and induced pluripotent stem cells (IPS cells)?’
I’ll attach an image of the table I used

Answers

Answer:

hey im working on the same thing, i'm also very confused, but the genes preform different functions

What type of muscle is found in the heart that has gap junctions to allow electrochemical signals to cause rapid contraction?
A. Rough muscle
B. Smooth muscle
C. Cardiac muscle
D. Skeletal muscle

Answers

D) Cardiac Muscle!


hope this helps :)

Which statement best describes an autotroph?

Answers

Answer:

B Autotrophs make their own food because they are producers.

Explanation:

What is the limiting factor for photosynthesis at night ?

Answers

Answer:

Factors that affect photosynthesis:

Light Energy/ intensity

Temperature

Carbon dioxide concentration

Therefore I believe the answer to be Light energy as we're talking about night here.

In Korea, a company is making copies of dogs for their owners. These owners are able to pay $100,000 in order to have their dog again. This process is Called
A Genetic engineering (GMO)
B. Reproductive cloning
C. Stem cell transplants
D. Gene therapy

Answers

Answer:Reproductive Cloning

2) If the foliation on a rock is running north-south what direction is the tectonic pressure coming from?

Answers

Answer:

if the foliation on a rock is running north-south, the pressure might be vertical (for instance, up to down)

Explanation:

The pressure is the second most principal factor that influences metamorphic rocks. It originates from the weight of the own materials, their densities, and the deepness.  

Litostatic pressure originates from the weight of materials in the interior of the crust.

Pressure generates alignment of materials (foliation and schistosity) and mineral rotation.

There are different types of metamorphism.

Dynamic metamorphism is the one where pressure is the principal factor. It generates by tectonic conditions, and it presents mainly in failure or fracture areas. It provokes trituration and recrystallization of minerals.

Classification of the metamorphic rocks according to their structure:

GranulationRecrystallizationMetasomatismMassiveFoliation

Foliation refers to dynamic metamorphism, where pressures act and minerals orientate perpendicular to the pressure direction.

According to this concept, if the foliation on a rock is running north-south, the pressure might be vertical (for instance, up to down) while minerals' weight helping in the process of foliation.

If the foliation on a rock is running north-south, the tectonic pressure is coming from a vertical direction.

What is a foliation?

Foliation on a rock means continuous multi layering on a metamorphic rock.

These layers can be thin as a sheet of paper.

Foliation occurs when the plain or elongated minerals inside a rock are pressed together and aligned.

Thus, If the foliation on a rock is running north-south, the tectonic pressure is coming from a vertical direction.

Learn more about foliation, here:

https://brainly.com/question/988517

I NEED HELP PLS IF I FAIL MY MOM WILL UNALIVE ME

Answers

Answer:

A

sorry for hearing that your mom will kill you

Humans burn fossil fuels and wood, releasing carbon dioxide into the atmosphere. This carbon dioxide is then absorbed by trees for photosynthesis. These processes are contributory to which chemical cycle?

Answers

Carbon cycle. Because everything that is happening in the situation of this question is related to the carbon cycle. Fossil is being burnt which releasing carbon dioxide and the plant is taking it in to release oxygen!
It is a circle of life.

Carbon cycle controls the amount of carbon dioxide in the atmosphere. These processes are contributory to the carbon cycle in the       environment.

What is a carbon cycle ?

The carbon cycle is nature's method of recycling carbon atoms, which repeatedly go from the atmosphere into Earth's living things and back into it. The majority of carbon is preserved in rocks and sediments; the remainder is preserved in the ocean, the atmosphere, and living things.

Life on Earth is reliant on the carbon cycle. The quantity of carbon that is naturally released from reservoirs is equal to the amount that is naturally absorbed by reservoirs because nature tends to maintain carbon levels in balance. This carbon balance must be preserved for the earth to continue to support life.

Therefore, the carbon cycle is an important chemical cycle.

Learn more about carbon cycle, here:

https://brainly.com/question/1627609

#SPJ6

Explain how spirogyra is also called green algae reproduces in water.

Answers

Answer: Spirogyras are filamentous green algae, named for their spiraling chloroplasts. Each cell of the filaments features a large central vacuole, within which the nucleus is suspended by fine strands of cytoplasm

Explanation:

What is converted into chemical energy during photosynthesis?

a.soil
b.nitrogen oxide
c.radiant energy
d.all of these

Answers

Photosynthesis in plants converts solar energy into chemical energy using electrons and protons from water. ... In the energy-transduction reactions, solar energy is converted into chemical energy in the form of two energy-transporting molecules, ATP and NADPH.

Is methemoglobinemia recessive or dominate? Provide examples to back up your answer

Answers

Answer:

recessive

Explanation:

The inheritance pattern of the congenital enzyme deficiency form of the disease is autosomal recessive. Hb M is inherited in an autosomal dominant pattern. There is no association between sex and the frequency of congenital methemoglobinemia.

Methemoglobinemia is an autosomal recessive congenital disorder. It means that both copies of the gene are found to be recessive in order to express a phenotype.

What do you mean by the Dominant trait?

The Dominant trait may be defined as a form of trait which governs by the presence of at least one dominant copy of that gene.

Methemoglobinemia may be defined as a blood disorder in which very little amount of oxygen is delivered to your cells. Cells may feel the scarcity of oxygen.

If an individual is affected by this disorder, both the copies of its gene are found in a recessive form in order to mask the effect of a dominant copy.

Therefore, it is well described above.

To learn more about Methemoglobinemia, refer to the link:

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What happens when we know about other living beings ?
Please I need it soon

Answers

Answer:

In order for something to be classified as living, it must grow and develop, use energy, reproduce, be made of cells, respond to its environment, and adapt. While many things meet one or more of these criteria, a living thing must meet all of the criteria.

If too many pandas are competing for bamboo (their food), what could happen?
there will always be enough for them to share
eventually there will no be enough bamboo for all
bamboo will keep growing back

Answers

Answer:

Eventually, there will no be enough bamboo for all

Explanation:

Answer B. Eventually, there will not enough bamboo for all.

Explanation:

1. How are the structures of DNA in prokaryotes and eukaryotes the same?
The DNA is packaged into several linear chromosomes.
They both have a singular circular chromosome.
They both have a sugar and a phosphate group backbone.
The DNA histones are present in the nucleosomes.

2. How are the structures of DNA in prokaryotes and eukaryotes different?
Prokaryotes have DNA in circular chromosomes, and eukaryotes have linear chromosomes.
Prokaryotes have DNA in linear chromosomes, and eukaryotes have circular chromosomes.
DNA in prokaryotes is circular and lacks sugar and phosphate backbones.
DNA in eukaryotes is circular and lacks sugar and phosphate backbones.

Answers

Answer:

1. Option C, They both have a sugar and a phosphate group backbone

2. Option A, Prokaryotes have DNA in circular chromosomes, and eukaryotes have linear chromosomes.

Explanation:

1. Both the circular and linear DNAs in prokaryotes and eukaryotes respectively are made up of sugar-phosphate backbone. However, the arrangement is different due to which they have different shapes. Thus, option C is correct

2. Eukaryotes have multiple linear DNAs while prokaryotes have circular DNA having simplified structure.

Thus, option A is correct

What do surface current affect !!!!

Answers

Answer:

Surface currents affect climate by moving cold and warm water around the globe. In general, currents carry warm water from the tropics toward the poles and bring cold water back toward the equator. A surface current warms or cools the air above it, influencing the climate of the land near the coast.

Explanation:

I was typing but i saw rhs other persons answer so i deeted it but thwy are right lol

In the movie outbreak what was the death rate of the virus without the anti-serum

Answers

Hhhhhhhhh hvvccc ghhhhh hhhhh
The death rate was 20%

A cell becomes injured and can no longer carry out mitosis. Which statement describes the most immediate effect on the cell? It could be more susceptible to disease. O It could accumulate harmful toxins and wastes. O It would be unable to break down sugars for energy. It would be unable to divide into new cells preventing growth.​

Answers

Answer:

it could be more susceptible to disease or it could be D

Answer:

It would be D because it's the most immediate situation that would happen to the cell.

Explanation:

The diagram below shows a cell placed in a solution.

A cell is shown placed inside a beaker. It is labeled Cell. The solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution.

Only water is allowed to move in and out of the cell. What will most likely happen to the cell?

It will expand as water moves out of it.
It will shrink as water moves out of it.
It will expand as water moves into it.
It will shrink as water moves into it.

Answers

Answer:

it will expand as water moves hope this helps!

Explanation:

An alien has a mass of 75 kg and weighs 225 N. What is the acceleration
due to gravity on the alien's home planet? Don't forget units! *

Answers

Answer:

What is the median of the data displayed in this box-and-whisker plot?

42

49

54

57

Box-and-whisker plot ranging from 34 to 58 with ticks at increments of 1. Plot defined by points at 35, 42, 49, 54, 57.

Explanation:

if the first  one is zero divide it

Fossils are often hardened remains of organisms that once lived, such as a bone or tooth. Which characteristic of sedimentary rock makes
it likely for fossils to be found in this type of rock?

A. An organism's remain become hardened when covered by melted rock.

B. Organisms are changed into rock by high temperature once they are no longer living.

C. The remains of organisms are buried under layers of sand, shells, and bits of rock.

D. The bones of an organism are pulled below Earth's surface during an earthquake.

Answers

Answer:

C as most fossils are created in the ocean

Explanation:

If i'm wrong please tell me if i'm right please mark me brainliest

How did humans change the
environment?

Answers

Answer:

Humans changed the environment by: overpopulation, pollution, burning fossil fuels, and deforestation.

Explanation:

Answer:

Explanation:

Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.

Help me please!!!!!!!

Answers

4,3  of two the between difference the to sent PaulRegards1,2,4Ode3,

how are brain skin and bone genetically related?

Answers

Explanation:

The brain, skin and bones are genetically related thru DNA.

Gene expression regulates differation of cells...

If the organisms were put in a dichotomous key for dassification, what would makethe organisms in the diagram different
from organisms that fall under the taxonomic group Bacteria?
A The organisms in the diagram are autotrophs.
B. The organisms in the diagram are unicellular.
C The organisms in the diagram are mobile and move with flagella,
OD The organisms in the diagram contain membrane-bound organelles,
Type here to search

Answers

Answer:

98.9% sure it's B. as far as I know

Question 16
How does the skeletal system interact with the nervous system?
A the nervous system supplies the blood and oxygen to developing bones
B
the nervous system supplies nutrients and minerals to developing bones
С
the skeletal system controls the messages sent to the brain and spinal cord
D
the skeletal system provides protection for the brain and spinal cord

Answers

Answer:

D

the skeletal system provides protection for the brain and spinal cord

Which cell organelle is used to move fluid across the outside of the cell
membrane?

A.Chloroplast

B.Cytoplasm

C.Flagella

D.Cilia

Answers

Answer:

im going to say either c or d or both

Explanation:

sorry if im wrong

Answer:

b)cytoplasm is the one that moves the fluid.

Question 6
Thermal is to heat as _____
is to water.
A. Absorb
B. Dilute
C. Waste
D. Drain

Answers

Answer:

drain

Explanation:

thermal is to hear as drain is to water

Answer:

thermal is to heat as dilute is to water

Name 4 examples of national government departments​

Answers

Answer:

Ministry of climate change, Ministry of Commerce and Textile Industry, Ministry of Communications and Ministry of Defense

Explanation:

Ministry of climate change, Ministry of Commerce and Textile Industry, Ministry of Communications and Ministry of Defense are the four departments of national government. Every department has their own functions and responsibilities which is done by the officials of that departments. These departments has a great role in running of the government efficiently.

Suppose a mutation occurs within the cells of a Great Blue Heron. The Mutation could be.

Answers

D, all of the above mutations can be harmful, neutral or, beneficial

11 A scientist transfers a fragment of genetic material from one organism to
another organism of a different species. What is this process called?
F artificial selection
H genetic engineering
I asexual reproduction
G selective breeding

Answers

Answer:

H) Genteic Engineering

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