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Licemer1 [7]
3 years ago
14

Help plis I don't understand

Biology
1 answer:
qaws [65]3 years ago
3 0
The answer would be Nucleus....Chromatin or the last option.

Hope this helps! (:
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When deforestation occurs in an area what immediate effect does this haveon the water cycle?
AleksAgata [21]

Answer:

When deforestation occurs, precious rain is lost from the area

Explanation:

Trees improve water quality by slowing rain as it falls to the Earth, and helping it soak into the soil. Trees then serve as natural sponges, collecting and filtering rainfall and releasing it slowly into streams and rivers. Tress are the most effective land cover for maintenance of water quality

8 0
3 years ago
What is the advantage of using an iodophor rather than iodine or an iodine tincture?
siniylev [52]

Explanation:

Iodophor -

Iodophor is a complex of iodine , with solubilizing agents , such as the povidone , surfactant .

And forms a water - soluble material which can release free iodine in the solution phase .

Dilute form of  iodophor is  used by winemakers and brewers to sanitize their equipment and bottles .

The major advantage of iodophor over other is that , it increases the stability of iodine .  

7 0
3 years ago
photosynthesis and cellular respiration both use electron transport chains. what is the source of electrons for photosynthesis a
goldfiish [28.3K]

Water serves as an electron source in the electron transport process of photosynthesis. The electron is extracted from water by using solar energy.

What is the electron transport chain's source of energy?

The electron transport chain uses the energy released by oxygen and reduced compound reactions such as cytochrome c and (indirectly) NADH and FADH2 to pump protons into the intermembranous space, producing the electrochemical gradient over the inner mitochondrial membrane.

In photosynthesis, water is split to produce electrons in the presence of sunlight, a process known as the photolysis of water. The electrons are finally transferred to NADP+ by the chloroplast electron transport chain, where they are reduced to NADPH.

Therefore, In aerobic respiration, electrons from NADH and FADH2 are transferred to oxygen by the mitochondrial electron transport chain to reduce oxygen in the water.

Learn more about photosynthesis from the given link.

brainly.com/question/1388366

#SPJ4

6 0
1 year ago
There is a normal distribution of traits seen in natural selection, where the medium trait is favored.
Contact [7]

Answer:

<em>The correct option is B) the total variety of organisms on Earth</em>

Explanation:

Biodiversity can be described as the diversity or variety of life present on Earth. The variety of plants and animals which are located in different habitats make up the biodiversity. Biodiversity is the reason that different variety exist between members of a species. Biodiversity tends to favour those organisms which are better adapted to live in an environment. These organisms tend to pass on their characteristics to their offsprings and become more in number.

7 0
3 years ago
Read 2 more answers
A muscle cell contracts or expands when
yanalaym [24]

Answer:

Walking

Explanation:

A muscle cell usually contracts or expands simultaneously when one is working or doing some activities like running, exercises, house chores e.t.c

Muscles are flexible fibers that are very essential appendages for locomotion in human beings.

For muscle cells to contract, they are pulled together thereby causing tension in the muscle. When they are relaxed, they move away from one another.

3 0
3 years ago
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