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katrin [286]
3 years ago
10

Which is the basic unit of life?

Biology
1 answer:
ale4655 [162]3 years ago
6 0
A cell is the smallest unit<span> of a living thing. A living thing, whether made of one cell (like bacteria) or many cells (like a human), is called an organism. Thus, cells are the</span>basic<span> building blocks of all organisms.</span>
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If a control group is NOT included in an experiment, it would be difficult to
sergij07 [2.7K]

Answer:

Find the base of the experiment

Explanation:

If i tested how high my new jumping boots could go, then i would first have the person jump without them and then jump with them. I would use the control (without the shoes) and compare it to how high the person went WITH them on.

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3 years ago
Increased production of goods makes our lives more comfortable, but causes an increase in the demand for energy and other resour
vladimir1956 [14]

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pollution levels in the atmosphere

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3 years ago
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The pelvic cavity is a continuation of the:
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The abdominal cavity is the answer you are looking for.

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3 years ago
A scientist is using a species of green algae to study the electron transport chain in photosynthesis. He uses a laser to inacti
jeka94

Answer:

D) In case 1, both PS I and PS II completely lose function; in case 2, a proton gradient is still produced.

Explanation:

The light dependent reaction of photosynthesis, which produces the ATP and NADPH needed in the light independent stage of the process, includes complexes of proteins and pigments called PHOTOSYSTEMS. These photosystems (I and II) are key to the functionality of the light dependent reactions in the thylakoid.

The major pigment present in both photosystems is CHLOROPHYLL A, which absorbs light energy and transfers electrons to the reaction center. Chlorophyll B is only an accessory pigment meaning it can be done without. Hence, if all of the chlorophyll A is inactivated in the algae but leaves chlorophyll B intact as in case 1, both PS I and PS II will lose their function because Chlorophyll A is the major pigment that absorbs light energy in both photosystems.

In case 2, if PS I is inhibited and PS II is unaffected, a PROTON GRADIENT WILL STILL BE PRODUCED because the splitting of water into protons (H+) and electrons (e-) occurs in PSII. Hence, H+ ions can still be pumped into the inner membrane of the thylakoid in order to build a proton gradient even without the occurrence of PS I.

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3 years ago
Why would a mutation that involves a centromere have a greater impact than a mutation that occurs elsewhere on a chromosome?
RideAnS [48]
If mutation is associated with the centromere region, the direct impact would be on the segregating mechanism during cell division process.
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3 years ago
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