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Aleonysh [2.5K]
3 years ago
6

What supports Darwin’s theory of evolution with gray whale

Biology
1 answer:
Leona [35]3 years ago
4 0
The whale exhibited his component of natural selection. It was said that pre-existing whales had limbs rather than fins.
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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 four most abundant elements needed by the human body are carbon, hydrogen, oxygen, and nitrogen. because these are needed in
jek_recluse [69]

The four most abundant elements needed by the human body are carbon, hydrogen, oxygen, and nitrogen because these are needed in large amounts to support our cells, these are referred to as bulk elements.

Oxygen is the most essential element required by our body. The body requires oxygen in the form of gas which is inhaled by the air around us. All the cells in a human body require oxygen which is transported by the blood inside.

Cell is the most basic and fundamental unit of life. It can be of two types: prokaryotic and eukaryotic. Prokaryotic cell is the primitive one with no true nucleus and eukaryotic cell has a true nucleus and all the cell organelles. Generally eukaryotic cells require abundant amount of oxygen.

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4 0
1 year ago
What is the definition of oceanography?
kenny6666 [7]
Hi there!

The definition of Oceanography is -

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6 0
3 years ago
Which part of the neuron below is indicated by the arrow, and what is its function? The long section of a neuron that includes s
MaRussiya [10]

Answer:Nervous tissue is composed of two types of cells, neurons and glial cells. ... An important part of the function of neurons is in their structure, or shape. ... It is the axon that propagates the nerve impulse, which is communicated to one or more cells. ... Information flows through a neuron from the dendrites, across the cell body, ...

4 0
3 years ago
You have learned that humans have a total of 46 chromosomes and that chimpanzees have a total of 48 chromosomes. Use other textb
Anastaziya [24]

Answer:

The correct answer is included in the Explanation section

Explanation:

An organism with considerable more chromosomes than humans: the plant <em>Ophioglossum reticulatum</em> with 1260 chromosomes.

An organism with considerable fewer chromosomes than humans: the ant <em>Myrmecia pilosula</em> with 1 chromosome.

It might be thought that the chromosome number of a species is directly related to its complexity, meaning that an organism with a large number of chromosomes is more complex than an organism with a small number. However, this is not true. Chromosomes are structures of coiled DNA, and its number indicate how the cells wrapp their genomic material when they reproduce. The number of chromosomes is not related to the organism complexity, but rather the number of genes and their function.

8 0
3 years ago
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