Set a point number of chromosomes in a human skin cell as 46 how many chromosomes are and a human egg cell?

Answers

Answer 1
THERE ARE 23 CHROMOSOMES

Related Questions

Give one use of sugar in the body

Answers

Answer:

Our body uses sugar for energy

hope this helps

have a good day :)

Explanation:

Mad cow disease is caused by deformed proteins called prions. The disease is spread when meat from an infected cow is eaten. Prions can make normal proteins deform into more prions. After a few years, the brain of an infected person or cow looks like a sponge full of holes. Are prions considered organisms?

Answers

Answer:

No.

Explanation:

No, prions are not considered organisms because they are proteins that the infection to the surrounding cells and tissue. Prion is a type of protein that can change normal proteins in the brain into abnormal. Prion diseases can affect both humans and animals and spread to humans by eating infected meat products. So we can conclude that prions are not organisms, they are proteins.

Which terms best complete the chart about characteristics of human development between fertilization and birth? Stages of Human Gestation First trimester Second trimester Third trimester - Embryo develops - Organs begin to develop - (1) - Starts swallowing - Fat begins to develop - (2) - All organs are developed - Can hear and see - (3)

Answers

Answer:

Im doing the unit test and i believe the answer is C

Explanation:

It makes the most sense if you have studied.

The stages of human gestation and their time duration are given below:

First trimester: After conception to 12 weeks.Second trimester: Between 12 to 24 weeks. Third trimester: Between 24 to 40 weeks.

What do you mean by Fertilization?

Fertilization may be defined as a biological event that occurs by the fusion of male and female gametes successfully to produce a zygote.

The embryo develops after four to five weeks of conception which is the first trimester, organs initiate to develop by the end of the first trimester.

Swallowing is initiated at the beginning of the second trimester, and all organs are completely developed by the initiation of the third trimester. While all senses of hearing and seeing are developed by the middle of the third trimester.

Therefore, each trimester is characterized with its own functionality.

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What is the correct genotype for a person who is heterozygous for autosomal hypertrichosis?
- HH
- hh
- Hh

Answers

Hh is the answer, not sure tho.

How quickly does the process of excretion occur in plants?

Answers

Explanation:

Plants produce two gaseous waste products i.e. oxygen during photosynthesis and carbon dioxide during respiration. Excretion of gaseous waste in plants takes place through stomatal pores on leaves. ... Excess of water is also excreted from the plant body through the stomatal pores and from the surfaces of fruits and stems.

where do chemical reactions in a cell take place?

Answers

Cytoplasm if I’m correct. It’s Where chemical reactions occur the most.

Inside the cytoplasm are enzymes which speed up these reactions.
Chemical reactions in a cell take place in the cytoplasm

How can a chloroplast, a structure found in plant cells but not in animal cells, provide energy for BOTH plants and animals?

Answers

Answer:

Chloroplasts are found in plant cells only because chloroplasts contain chlorophyll which is essential for photosynthesis. Chlorophyll traps sunlight and uses it to prepare food for plants by the process of photosynthesis.

PLS HELPPPPPPPPPPPPP

Answers

Biosphere- protect habitats
Atmosphere- reduce auto emissions
Hydrosphere- reduce,reuse,recycle
Geosphere- limit fertilizer

The ____ ____ structure of DNA aid also known as a "________" .

Answers

Answer:

I think it is double helix

How could the aquifer around the Los Angeles are in California be susceptible to an impact by a Tragedy of the Commons?

Answers

Answer:

Due to over-pumping of water.

Explanation:

The aquifer around the Los Angeles are in California could be susceptible to an impact by a Tragedy of the Commons because the people used more water than the aquifer receives. The excess use of water from the aquifer through the well causes depletion of water which results in the shortage of water to fulfill the needs of existing population so it is wise to use water efficiently and used lower or equal water the aquifer receives in order to maintain level of aquifer.

What is the concentration of carbon dioxide in this sample

Answers

Answer:

38.2 mmita. 6. Draw conclusions: Between the right ventricle and the left atrium,

Explanation:

List three examples of enzymes and their functions

Answers

Answer:

Lipases

Amylase

Maltase

Explanation:

Lipases help digest the fat in the gut.

Amylase change the starche into sugar.

Maltase breaks down the sugar into glucose.


Mientras se calienta una solución en un vaso de precipitados, ¿cuál es el
equipo de seguridad apropiado para tener en el banco?

Answers

Answer:

Fire extinguisher.

Explanation:

Fire extinguisher is the appropriate safety equipment to have at the side of the baker while heating a solution in a beaker because sometimes the solution catch heat due to reactions with flammable liquids which leads to big incident so in this case fire extinguisher can avoid such type of incident by turn off the heat due to the gas present inside the container of fire extinguisher so this safety equipment is necessary at the side of the reaction.

What is and allele I need helppppp plssss

Answers

Answer:

one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.

Explanation:

Answer:

Any one of two or more genes that may occur alternatively at a given site on a chromosome.

Explanation:

Alleles may occur in pairs, or there may be multiple alleles affecting the expression of a particular trait.

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Select the correct answer from the choices provided in the underlined sections

A plant grown in low light will have (lighter / darker) flower color while a plant grown in bright light will have a (light / darker) flower color.

Answers

Answer:

darker and lighter

Explanation:

Hope it helps :)

A plant grown in low light will have darker flower color while a plant grown in bright light will have lighter flower color.

The plants which grow in high light intensities are called?

The plants which have the ability to survive in the high intensity of sunlight they are called heliophytes.  

Prosopis, Betula, Teak, etc are the examples of heliophytes.The plants which grow in low light intensities are called Sciophytes. Example includes Aegle, Nycanthes.

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What is the ultimate role of ecological succession in an environment

Answers

Answer:

The stable, end stage of ecological succession in which the plants and animals of a community use resources efficiently and balance is maintained by disturbances such as fire. The ultimate goal of ecological succession. After a natural disaster and continues until a climax community is reached.

Explanation:

The ultimate role of ecological succession in an environment is to reach the equilibrium in an ecosystem.

What is Ecological Succession?

This event involve in the steady and gradual change in a species of a given area with respect to the changing environment is called as ecological succession.

The changes are inevitable process where all biotic components of the ecosystem keep up with the changes in our environment.

This process ultimately reach equilibrium in the ecosystem and the community that achieves this referred as a climax community, where some species increase in number and others decrease.

The communities that undergo changes sequentially in an area is called sere, so it is also called as seral stage or seral community.

Evolution has taken place simultaneously with that of ecological succession, so all the communities we observe are the result of ecological succession.

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What is the definition of alleles.

Answers

Answer:

An allele is one of a pair of genes that appear at a particular location on a particular chromosome and control the same characteristic.

Explanation:

Which of the following statement is NOT true of osmotic pressure 

A. There must be a selectively permeable membrane

B. the two solution are of equal concentration at the beginning of the experiment

C. It involves only the movement of water molecules

D. Equilibrium is reached when there is equal distribution of water molecules​

Answers

Answer:

c

Explanation:

it involves only the movment of water molecules

In humans, three alleles affect blood type. The A and B alleles are codominant, and the O allele is recessive. An AB blood type father has children with an A blood type mother (genotype AO). What are the chances that their children will have AB type blood? Choose 1 answer: Choose 1 answer: (Choice A) A 25\%25%25, percent (Choice B) B 50\%50%50, percent (Choice C) C 75\%75%75, percent (Choice D) D 100\%100%100, percent

Answers

Answer:

The correct answer is - A. 25%.

Explanation:

In humans, the blood group system is known as the ABO system where blood groups A and B are codominant and O blood group is recessive. The genotype of the A blood group could be AA or AO similarly for the B blood group genotype would be BB or BO, for the O blood group OO whereas for the AB blood group both A and B alleles should be present together.

Cross: AB blood type father with an A blood type mother (genotype AO)

Gametes: A, B and A, O

Punnett square:

       A       B

A    AA     AB

O    AO    BO

Here, there are 25% chances of AB blood group offspring 50% for the A blood group (AA and AO) and 25% B blood group (BO).

Hey can you help me with these questions

1. What occurs across a period of the periodic table?
A number of neutrons decreases
B average atomic mass decreases
C number of inner orbital electrons increases
D number of protons increases

2. How do transition metals generally compare to alkali metals?
A harder
B. fewer electrons in outer shell
C. more reactive
D lower boiling points

Plz help asap
Best answer gets Brainly

Answers

Answer:

1. c. because across a period from left to right, the covalent radius decreases. As you move from left to right across the periodic table, atoms have more electrons in their outer energy level and more protons in their nucleus.

2.b. because Transition metals are less reactive than alkali metals because of their high ionization potential and high melting point.

What causes the green house affect

Answers

Answer: Hope This Helps!

Explanation:

Greenhouse effect, a warming of Earth's surface and troposphere (the lowest layer of the atmosphere) caused by the presence of water vapour, carbon dioxide, methane, and certain other gases in the air. Of those gases, known as greenhouse gases, water vapour has the largest effect.

How did the insertion of a nucleotide in a DNA sequence result in a phenotypic change in an organism

Answers

Answer:

if the nucleotide insertion occurs within the coding region of a gene (frameshift mutation), then it will change the open reading frame (ORF) of the resulting protein and thus also will alter the phenotype of the individual  

Explanation:

A mutation is any change in the DNA sequence of the genome of a cell/organism. A point mutation is a genetic mutation where a single nucleotide is inserted, deleted or changed from the original DNA sequence. The insertion of a single nucleotide in the coding region of a gene is called frameshift mutation since this nucleotide base shifts the way the DNA sequence is read. A frameshift mutation changes the meaning of the codons that follow the inserted nucleotide base and thereby protein function is generally lost, thereby also affecting the resulting phenotype associated with this protein.

Alcon blue butterflies spend the first part of their lives as caterpillars that live with Myrmica ants. When a caterpillar lives with the ants, it pretends to be a Queen ant by making noises that make it sound like the Queen ant. Queen ants receive more food and better protection than any other ants in the nest. When the caterpillar mimics a Queen ant, the ants feed and protect the caterpillar instead of other ants in the nest. Which word best describes the relationship between the caterpillar and ants

Answers

Answer:

The correct answer is - parasitic.

Explanation:

The Maculinea Alcon butterfly has a unique relationship with species of Myrmica ants. The butterfly's caterpillars picked up by passing Myrmica ants, and take to their nests where this caterpillar makes sounds like the queen ants, and to this sound, all ants protect and feed this caterpillar instead of other ants.

Normally there is a mutualistic relationship between ants and caterpillars but in the case of The Maculinea Alcon caterpillar and Myrmica ants, there is a parasitic relationship.

Select the correct answer.
Which activity does NOT contribute to global warming?
OA.
Driving cars
OB. Releasing gases
OC. Walking
D.
Burning fuel
Reset
Next

Answers

the answer is C I believe ><

What is a potential effect of rapid climate change on Earth?

Answers

Explanation:

Scientists have predicted that long-term effects of climate change will include a decrease in sea ice and an increase in permafrost thawing, an increase in heat waves and heavy precipitation, and decreased water resources in semi-arid regions.

Use the drop-down menus to match the alkanes with the correct name.



CH3CH2CH2CH2CH2CH2CH2CH3

OCTANE

CH3CH2CH2CH3

BUTANE

CH4

METHANE

CH3CH2CH2CH2CH2CH2CH2CH2CH2CH3

DECANE

CH3CH3

ENTANE


your welcome

Answers

Answer:

CH4  - METHANE.

CH3CH2CH2CH2CH2CH2CH2CH3  - OCTANE.

CH3CH2CH2CH3  - BUTANE.

CH3CH3  - ETHANE.

CH3CH2CH2CH2CH2CH2CH2CH2CH2CH3  - DECANE.

Explanation:

Hello there!

In this case, according to the rules for the nomenclature of organic compounds, it turns out possible for us to match the given hydrocarbons by knowing that octane is a hydrocarbon with eight carbon atoms, butane with four carbon atoms, methane with one carbon atom, decane with ten carbon atoms and ethane with two carbon atoms.

In such a way, the correct matching is shown below:

CH4  - METHANE.

CH3CH2CH2CH2CH2CH2CH2CH3  - OCTANE.

CH3CH2CH2CH3  - BUTANE.

CH3CH3  - ETHANE.

CH3CH2CH2CH2CH2CH2CH2CH2CH2CH3  - DECANE.

Best regards!

How does a planet's distance from the Sun affect its surface temperature and the length of its orbit (year)?

PLS IS FOR TODAYY

HELP MEE PLSS

Answers

Answer:  In general, the surface temperatures decreases with increasing distance from the sun. Venus is an exception because its dense atmosphere acts as a greenhouse and heats the surface to above the melting point of lead, about 880 degrees Fahrenheit (471 degrees Celsius)

Explanation:

I Hope This Helps You! Have a Great day! ^v^

b) Write any
four function that yo can do to
conserve the environ ment of our sorrundings​

Answers

Recycling. ...

Reduce water consumption. ...

Reduce the use of electricity. ...

Plant a tree. ...

Grow vegetables. ...

Composting. ...

Use rechargeable batteries. ...

Quit smoking.

hey! pls help i’ll give brainliest

Answers

i’m gonna say it’s either “living” or “critical” sorry if this isn’t much help but at least it’s narrowed down

Answer:

Critical

Explanation:

Even a single bee is a critical part of the ecosystem

Which of the following is an area of authority in a design?

O Tension
O Dominance
O Accent
O Contrast

Answers

Dominance is the correct answer :))
C would be the correct answer!
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