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Rzqust [24]
3 years ago
12

What is structure 2, and how does it help sustain life?

Biology
2 answers:
marishachu [46]3 years ago
6 0

Answer:

The Answer: Structure 2 is the nucleus, which serves as the control center of the cell.

Explanation:

sergey [27]3 years ago
3 0
This is the picture if anyone can still answer

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The mitochondrial electron transport chain
katrin [286]

Answer:

Option B , synthesizes ATP.

Explanation:

When the inner mitochondrial membrane is intact, ATP is synthesized. ATP is synthesized from ADP and Pi by  electrons from NADH or FADH2 to O2. This process is known as oxidative phosphorylation which is driven by an electrochemical proton gradient across the inner membrane with three processes occurring simultaneously  

a) electron transport,  

b) proton pumping, and  

c) ATP formation  

Hence, option B is correct

7 0
3 years ago
The parent cell that enters meiosis is diploid, whereas the four daughter cells that result are haploid. Which statement correct
UNO [17]

Answer:

I snatched this from someone else, so it isn't mine, but I hope it helps. They don't have a username so I cannot credit them.

Explanation:

DNA content is halved in both meiosis I and meiosis II. Ploidy level changes from diploid to haploid in meiosis I, and remains haploid in meiosis II.

During anaphase of both meiosis I and meiosis II, the DNA content (number of copies of chromosomes) in a cell is halved. However, the ploidy level changes only when the number of unique chromosome sets in the cell changes. This occurs only in meiosis I (where separation of homologous chromosomes decreases the ploidy level from 2n to n and produces daughter cells with a single chromosome set).

5 0
3 years ago
Read 2 more answers
a stream of water holds thriving bacteria. if drought conditions caused the stream to dry up, how would the bacteria mostly like
Lilit [14]

Answer:

A stream of water holds thriving bacteria. If drought conditions caused the stream to dry up, the bacteria mostly likely respond to survive by <u>transforming into endospores.</u>

<u></u>

Explanation:

The bacteria transform into the hardcore bacterial endospores. These structures of bacteria are adapted to stresses in the environment. The bacteria can remain dormant for long periods with its genetic information securely protected under a tough coating. It is also very hard to kill bacteria endospores because they are resistant to heat, dehydration and even disinfectants.

Learn More:

For more on endospores check out;

brainly.com/question/247607

brainly.com/question/13187855

#LearnWithBrainly

4 0
3 years ago
Select all that apply. How does mitosis in animal cells differ from mitosis in higher plant cells? Plant cells maintain chromoso
poizon [28]
Mitosis occurs in both plants and animals. Only during telophase, in the process of cytokinesis that plant and animal cells differ. Therefore, the statements that apply are: Plant cells divide by means of a cell plate. Animal cells undergo furrowing in mitosis.  
7 0
4 years ago
Read 2 more answers
The potential ecological niche of an organism is its _______, while the niche an organism actually occupies is its ________. gro
mash [69]

The potential ecological niche of an organism is its fundamental niche, while the niche an organism actually occupies is its realized niche.

<h3>What is called Ecological Niche?</h3>

Ecology uses the term "niche" to describe a species' role in a community. A species' niche is defined by the physical, environmental, and interactions with other species requirements (such as temperature or topography) (like predation or competition) Ecology defines a niche as the compatibility of a species with a certain environmental circumstance. It explains how an organism or population reacts to the distribution of resources and rivals (for instance, by expanding when resources are abundant and shrinking when predators, parasites, and pathogens are scarce), as well as how it changes those same factors.

To know more about Ecological Niche, Visit —

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5 0
2 years ago
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