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Lostsunrise [7]
3 years ago
11

Which best describes biogeographic isolation?

Biology
2 answers:
Tatiana [17]3 years ago
8 0
Bio-geographic isolation is the separation of part/a whole species due to either biological or geographical reasons.

Biological could be lack of food, or a more preferable source of food somewhere else, etc. Geographical could be rivers, oceans, mountains, etc.

ad-work [718]3 years ago
8 0

Answer:

B. It cannot lead to evolution

Explanation:

I took the test on edge.

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Which describes the process of fermentation?
pav-90 [236]

Explanation:

<u>anaerobic process that restores NAD+ supply</u>

<u></u>

Within cells, aerobic respiration may not occur due to several factors:

  • - a lack of inorganic,  final electron acceptors
  • -incomplete or lack of a complete electron transport system
  • -missing genes for enzymes within the Kreb's cycle

Thus, they utilize other means for the generation of energy in the form of ATP and to replenish NAD+ an oxidized form of NADH, the main electron carrier in glycolysis.  Pyruvate is produced  in the cytoplasm via glycolysis- it is also used as an electron acceptor in a process called fermentation.

Further Explanation:

overall: C6H12O6 (glucose) + 6 O2 → 6 CO2 + 6 H2O + ≈38 ATP

In all eukaryotic cells mitochondria are small cellular organelles bound by membranes, these make most of the chemical energy required for powering the biochemical reactions within the cell. This chemical energy is stored within the molecule ATP which is produced. Respiration in the mitochondria utilizes oxygen for the production of ATP in the Krebs’ or Citric acid cycle via the oxidization of pyruvate( through the process of glycolysis in the cytoplasm).

Oxidative phosphorylation describes a process in which the NADH and FADH2 made in previous steps of respiration process give up electrons in the electron transport chain these are converted it to their previous forms, NADH+ and FAD. Electrons continue to move down the chain the energy they release is used in pumping protons out of the matrix of the mitochondria.

This forms a gradient where there is a differential in the number of protons on either side of the membrane the protons flow or re-enter the matrix through the enzyme ATP synthase, which makes the energy storage molecules of ATP from the reduction of ADP. At the end of the electron transport, three molecules of oxygen accept electrons and protons to form molecules of water...

  • Glycolysis: occurs in the cytoplasm 2 molecules of ATP are used to cleave glucose into 2 pyruvates, 4 ATP and 2 electron carrying NADH molecules. (2 ATP are utilized for a net ATP of 2)
  • The Citric acid or Kreb's cycle: in the mitochondrial matrix- 6 molecules of CO2 are produced by combining oxygen and the carbon within pyruvate, 2 ATP oxygen molecules, 8 NADH and 2 FADH2.
  • The electron transport chain, ETC: in the inner mitochondrial membrane, 34 ATP, electrons combine with H+ split from 10 NADH, 4 FADH2, renewing the number of electron acceptors and 3 oxygen; this forms 6 H2O, 10 NAD+, 4 FAD.

Learn more about cellular life at brainly.com/question/11259903

Learn more about cellular respiration at brainly.com/question/11203046

#LearnWithBrainly

5 0
2 years ago
Why is the current extinction different from other major extinctions
Anarel [89]

We would need more information to answer this question

7 0
3 years ago
Please help me
slega [8]
The techniques earthquake is a term which refers to the science of constructing buildings that are able to withstand the effects of an earthquake. 

The instruments used to measure the intensity and direction of an earthquake are known as a seismograph and a seismoscope. The seismograph measures the movement of the ground during an earthquake. The seismoscope shows the direction of an earthquake.

The Intensity Scale is a scale that measures the intensity of an earthquake. It also measures the effects of an earthquake.


6 0
3 years ago
Glycolipids and glycoproteins function as ____ in the cell membrane.
Naily [24]
They form hydrogen bonds with the water cells so therefore strengthen the cell membrane. Hope this helped
3 0
3 years ago
Why are there more overweight people than overweight animals?
aleksandr82 [10.1K]
Humans can will themselves to eat more, as we know that food comes easy to us.

Animals, on the other hand, top priority is survival, so they usually wouldn't think about eating more because it just "tastes good."
8 0
3 years ago
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