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Mademuasel [1]
2 years ago
14

Where did the energy to power the light-independent reactions come from?

Biology
2 answers:
trapecia [35]2 years ago
6 0

Answer:

oh dum the answer is A

Explanation:

nexus9112 [7]2 years ago
6 0
The Light Reactions of Photosynthesis. Light is absorbed and the energy is used to drive electrons from water to generate NADPH and to drive protons across a membrane. These protons return through ATP synthase
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Some interphase cells contain twice as much DNA as other interphase cells within the same tissue sample. Is this normal? Why?
FinnZ [79.3K]

Answer:

Yes, Since the interphase cells in G2 would have twice the DNA as the interphase cells in G1 phase or start of S phase.

Explanation:

Interphase has three stages: G1, S and G2 phase. DNA replication occurs in the S phase and doubles the DNA content of the cell. So, the DNA content of the interphase cells of the same tissue depends on stages of interphase.  

The interphase cells which are in the G1 phase has half the DNA content as it is present in the interphase that has entered the G2 phase after completion of DNA replication in S phase.  

8 0
3 years ago
Design your own scenario related to Bacteria or Viruses. Identify the independent and dependent variables.
timurjin [86]

Answer:

An experiment where an antibiotic is tested against bacteria. The antibiotic can vary in its concentration for example, different amounts are applied to a sample of bacteria to see if it is affected by the action of the antibiotic and if so, in what concentration. So, the independent variable is the concentration of antibiotic while the dependent variable is the survival (or not) of the bacteria.

Explanation:

An independent variable is a variable that represents a quantity that the scientist modifies in an experiment. A dependent variable represents a quantity whose value depends on how the independent variable is modified. This is the variable being studied and measured.

So, an example of this applied to bacteria or viruses could be:

<u>An experiment where an antibiotic is tested against bacteria</u>. The antibiotic can vary in its concentration, different amounts are applied to a sample of bacteria to see if it is affected by the action of the antibiotic and if so, in what concentration. So, the independent variable is the concentration of antibiotic while the dependent variable is the survival (or not) of the bacteria.

To complete the experiment, an antibiotic whose effect is already known can be used as a positive control. That is, it is already known to kill the bacteria. And as a negative control you can simply use water, which has no effect and is known not to kill the bacteria. In this way, we validate the results and make sure that there is not something else that is affecting the bacteria and that only the antibiotic being studied has an influence.

5 0
2 years ago
Some organisms living in a vacant lot include grass, dandelions, mice, grasshoppers, and slugs. Collectively these organisms rep
lesya692 [45]
A community for different living organisms that support each other is called an ecosystem. The answer is (A) an ecosystem.
4 0
3 years ago
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A client is admitted to the emergency department after a motorcycle accident that resulted in the client's skidding across a cem
Lunna [17]

Answer:

It is most likely a flesh wound

Explanation:

A flesh wound is a wound that breaks the skin and may cause bleeding, but doesn't puncture any internal organs or bones.

5 0
3 years ago
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What is another name for inherited advantageous characteristics​
Elena-2011 [213]

Answer:

genes

Explanation:

8 0
3 years ago
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