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Makovka662 [10]
3 years ago
7

Which statement best defines a cell

Biology
2 answers:
Luden [163]3 years ago
8 0
The smallest structural and functional unit of a living organism
Dimas [21]3 years ago
4 0
The smallest unit that has the basics of life
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Why does the mitochondria make carbon dioxide during cellular respiration
blagie [28]
<span>Because the organelle undergoes process that converts biomolecules into a useful energy resource for cell activities that leaves the formation of carbon dioxide as an excess agent.
Mitochondrion is an important organelle in most living organisms because it is where biochemical processes of living organisms such as respiration takes place. The mitochondrion has a smooth outer membrane but a larger inner membrane. The inner membrane is about 70% protein and is very convoluted because that can even fit inside the outer membrane. Mitochondrion is the carrier of the Kreb's cycle in the matrix and it is responsible for the transfer of electron chain found in the cristae of the inner membrane.

</span><span>In the presence of oxygen, one glucose molecule has the energy to make up to 38 ATP. The ATP production is determined by the following steps, (-2 ATP) glycolysis preparatory phase, (7-9 ATP) glycolysis pay-off phase, (5 ATP) oxidative decarboxylation of pyruvate and (20 ATP) Krebs cycle. One glucose which has 38 ATP hence was the summation of all the process mentioned that took place.  All these process take place under the cellular function of cellular respiration.<span> </span></span>

6 0
3 years ago
What best describes enzymes?
Anastasy [175]
Enzymes are converted into products by the reactions they catalyze. One enzyme can catalyze many different reactions. ... They are molecules made of amino acids that speed up chemical reactions by lowering the activation energy.
5 0
3 years ago
What genes direct the
Valentin [98]

Answer:

a. hox genes.

Explanation:

HOX genes have the following functions:

  • HOX genes are the homeobox subset.
  • They specify the areas of the embryo's body plan along the animal head-tail axis.
  • They are encoding Hox proteins that specify the position characteristics and ensure that the right structures form at the right position in the body.
  • They regulate high-level executive genes, such as transcription factors and intracellular signaling molecules, which adhere, number, form, and growth to cells.

The vertebrates are highly preserved.

The clusters and other genes occur uninterrupted.

Evolutionary, the heterogeneous regulatory areas between the genes most previously present are larger and more preserved than those present at the other ends of the clusters.

The characteristical feature is that these are homeodomain proteins with a highly preserved area of DNA binding encoded with homeobox gens.

3 0
3 years ago
Which type of RNA is transcribed from DNA and then moves out of the nucleus and attaches to a ribosome?
Fiesta28 [93]

Answer:

trna

Explanation:

7 0
3 years ago
Why are the spores produced on the underside of the fronds?.
Temka [501]

Answer:

<h2>To REPRODUCE</h2>

Explanation:

You might know that Ferns don't have any seeds like all plants and trees. So what do they have, they have spores. And these sporest grow on the underside of the fronds to reproduce.

Thanks!

Answered by: FieryAnswererGT

#learnwithbrainly

3 0
3 years ago
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