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sergejj [24]
3 years ago
13

What are the functions of the micro nucleus and the macro nucleus in paramecium

Biology
1 answer:
kvasek [131]3 years ago
5 0

The micronucleus of paramecium is used for reproduction. The macronucleus of paramecium is used for transcription of genes, but the micronucleus is transcriptionally silent. The micronucleus undergoes meiosis prior to conjugation events, and it fuses with another haploid micronucleus from another cell to form a new paramecium cell. Micronuclei direct the formation of the macronuclei.

Answer:  The micronucleus regulates reproduction and the macronucleus regulates the vegetative functions in paramecium.

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What category of drugs in the five-category system is reported to have fetal risks but can be used in a pregnant woman if the po
julia-pushkina [17]

Answer:

Category D drugs

Explanation:

There are five categories of drugs, they include: categories A, B, C, D and X. Research shows that category D drugs have possible fetal risks, however, the potential benefits on the mothers still outweighs the risk. An example of a category D drug is Losartan.

Category A drugs have no evidence of risk on fetus, an example is folic acid.

Category B drugs also show no adequate evidence of risk on the fetus. An example is metformin.

Evidences shows Category X drugs have an adverse effect on the fetus, hence the risk outweighs the potential effect. An example is Methotrexate.

8 0
4 years ago
What infections do bacteria give
olga_2 [115]

Bacteria can cause many infections such as pneumonia, wound infections, bloodstream infections, and also STD's.

3 0
3 years ago
The picture shows us how the Sun's rays strike Earth. Because of the Earth's tilt on its axis, some parts of Earth are having su
Oksana_A [137]

Answer:

C

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the suns rays are closest to C

--<em>Brainliest answer is much appreciated! :)</em>

5 0
3 years ago
Read 2 more answers
Explain why vision is lost when it hits the blind spot.
BaLLatris [955]
I don't personally know this but I looked it up and these were some answers I got.

1. There are no photoreceptors present, therefore vision is lost when light hits this spot (the blind spot)

2. Vision is lost when light hits the blind spot because the blind spot lacks photoreceptors, so light focused on it cannot be seen.

3. The back of your eye contains all of the detectors which sense when light hits them, this is how you see. All of these signals are sent to the brain by the optic nerve, which connects to the back of the eye to receive the signals. Where it connects, however, there are no detectors so there is a small patch which each eye is unable to see and the brain has to fill in based on data from the other eye.

Hope it helped!

3 0
4 years ago
Please help i don’t know this question plzz
lions [1.4K]
I don’t understand the question is there more context?
8 0
3 years ago
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