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Setler79 [48]
3 years ago
7

Explain how to find the magnification of a microscope

Biology
1 answer:
Tcecarenko [31]3 years ago
8 0
To figure the total magnification of an image that you are viewing through the microscope To figure the total magnification of an image that you are viewing through the microscope is really quite simple. To get the total magnification take the power of the objective (4X, 10X, 40x) and multiply by the power of the eyepiece, usually 10X is really quite simple. To get the total magnification take the power of the objective (4X, 10X, 40x) and multiply by the power
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Tryptophan synthase is one of the enzymes synthesized from the trp mRNA. In wildâtype E. coli, the trp mRNA has a short halfâlif
lidiya [134]

Answer:

Explanation:

we have three strains.

the first  is the wild type which has tryptophan mRNA which gets degraded rapidly and tryptophan synthase which is stable. therefore, in the presence of tryptophan, no new mRNA is formed and whatever tryptophan synthase was present would be diluted out as cells continue to divide.

Strain A has stable mRNA and stable tryptophan synthase. so since the mRNA is present, new enzyme will continue to form from it. However, since no new mRNA is formed, the enzyme activity will get diluted as cells divide, but at a much slower rate than the wild type.

in Strain B , synthase is rapidly degraded and no new mRNA is formed. so the tryptophan synthase activity would decrease drastically.

3 0
4 years ago
Which part of photosynthesis is represented by the diagram to the right
Yanka [14]

Answer:

<em>Light-dependent reactions</em>

<em></em>

Explanation:

Photosynthesis occurs in two stages: light-dependent reactions and light independent-reactions. This last stage is often called Calvin cycle.

The diagram shows reactions occurred in the thylakoid membranes which are located inside the chloroplasts. Therefore, we can identify that these reactions are the light-dependent reactions. During this part of photosynthesis, the energy from the sunlight is absorbed by a pigment called chlorophyl (Chl). Then, it is sequentially coverted into chemical energy stored in the form of molecules: NADPH (nitotinamide adenine dinucleotide phosphate) and ATP (adenosine triphosphate).

8 0
3 years ago
How many monosaccharide molecules are needed to form one sucrose molecule
Vaselesa [24]

Answer:

The answer to your question is: two

Explanation:

Sucrose is a disaccharide composed by two disaccharides: glucose and fructose. Sucrose is found in plants. Its molecular formula is:

                                        C₁₂H₂₂O₁₁

5 0
4 years ago
Exercise and reactions to exciting stimuli include _______. A. increased activity in all parts of the peripheral nervous system
jok3333 [9.3K]

Exercise and reactions to exciting stimuli include increased activity in the sympathetic, and decreased activity in the parasympathetic divisions.

<h3>What is the sympathetic nervous system?</h3>

The autonomic nervous system includes the sympathetic nervous system. It might be referred to as the "automatic" nervous system because it controls many processes that we don't have to think about. This can affect a variety of bodily processes, such as the regulation of our heart rate, blood pressure, digestion, urination, and perspiration. For its role in reacting to risky or stressful conditions, the sympathetic nervous system is best known.

<h3>What is the parasympathetic nervous system ?</h3>

One of the two functionally separate and perpetually active divisions of the autonomic nervous system is the parasympathetic nervous system (PNS) (ANS). It opposes the sympathetic nervous system, which is the other (SNS). In calm "rest and digest" situations, the parasympathetic nervous system predominates, whereas the sympathetic nervous system activates the "fight or flight" response in stressful circumstances. The major functions of the PNS are to regulate body processes like digestion and urine as well as to store energy for later use.

Hence, Option B is correct.  Exercise and reactions to exciting stimuli include increased activity in the sympathetic, and decreased activity in the parasympathetic divisions.

To know more about parasympathetic nervous systems, refer:

brainly.com/question/12961611

#SPJ4

8 0
2 years ago
HELP!!! Which of the following would have the least impact on primary productivity in the euphotic zone?
lozanna [386]
I think it’s tea because it says that the sunlight is more impacted on the zone


The answer is D
8 0
3 years ago
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