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3 years ago

What is the different between somatic cells and haploid gamete cells?

1 answer:

3 0

Somatic cells or body cells have a dipliod or full set of chromosomes. Gametes or sex cells, also called germ cells, have a hapliod number of chromosomes or half the number. Somatic cells are diploid cells, whereas the gametes are haploid cells. Meiosis does not take place during the production of somatic cells, whereas meiosis takes place during gametogenesis (production of gametes) giving rise to haploid cells. Somatic cells do not fuse during sexual reproduction, whereas gametes fuse during sexual reproduction giving rise to a diploid zygote.Somatic cells are found almost everywhere in the body, whereas gametes are restricted to certain parts

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Police Officer Amy Randall suspects that the driver of a car in front of her is driving under the influence of alcohol. She pull

Umnica [9.8K]

Answer:

The correct answer is option a, that is, cerebellum.

Explanation:

Alcohol acts as a CNS depressant. When more amount of alcohol is taken and the levels of alcohol rise within the body, some sections of the brain get influenced and a reduction in the functioning is witnessed in that particular part.

The region of the brain accountable for coordinating movement and also some kinds of learning seems to be sensitive specifically to the consumption of alcohol. Thus, cerebellum is the part of the brain, which gets most affected due to the consumption of alcohol. Therefore, test is performed to witness the balance of an individual, as cerebellum is the part of the brain responsible for appropriate posture and balance.

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3 years ago

Why do you think DNA is duplicated before

Anna71 [15]

The two cells that result from a single cell need to have the same amount of genetic material as the initial cell, therefore the DNA needs to be duplicated before the cell divides.

The sister chromatids are attached together so that during anaphase the daugther cells will receive the same chromosomes

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3 years ago

Match the items of column 'A' with those of column 'B':

tangare [24]

Answer:

Match the items of column 'A' with those of column 'B':

Turbidity

Reduces the light in the water column

Natural pollution

Choose

Nitrates and phosphates

Air pollution

Biochemical demand for oxygen

Contaminants into a natural environment

Chemical fertilizers

Pollution

Floating materials

Industrial wastes

Emissions pollution

Reduces the light in the water column

Concentration of hydrogen pH

Eutrophication

CFCS

New species invasion

Temperature

Harmful algal blooms

Oils fats, and foam

Please answer all parts of th Hypertrophication

Toxicity

Volcanic

In crude oil affect eggs and larvae of fish a

Atomic number

a. Hydrocarbon

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3 years ago

Which statements are true of all plants? Check all that apply. All plants are vascular. All plants are multicellular. All plants

GarryVolchara [31]

Correct option/s :

All plants are multicellular.

All plants are eukaryotic.

All plants are autotrophic.

Explanation:

Not all plants are vascular, for example mosses. They don't have specialized system for transport of water and solutes. Therefore, Option 1 is false.

Only bacteria, protista and yeast are unicellular. Rest all the organisms are multicellular. Thus option 2 is true.

Only bacteria are prokaryotic, rest all organisms are eukaryotic, including all the plants. Option 3 is true.

Plants are the only organisms which are autotrophic. Although apart from this mode of nutrition, plants can be parasitic or carnivorous as well. But primarily they all are autotrophic. Option 4 is true

Not all plants need sunlight, some get energy from the chemical substances from their surroundings. Option 5 is False.

Plants reproduce by sexual as well as asexual means. Not all plants reproduce sexually. Option 6 is false.

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3 years ago

Read 2 more answers

2. What are some sources of carbon in the carbon cycle?

9966 [12]

There are both natural and human sources of carbondioxide emissions. Natural sources include decomposition, ocean release and respiration. Human sources come from activities like cement production, deforestation as well as the burning of fossil fuels like coal, oil and natural gas.

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3 years ago