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grin007 [14]
3 years ago
14

Which of the following is true of penguins?

Biology
1 answer:
Alexxx [7]3 years ago
5 0

A. They live in the polar regions of the Northern and Southern Hemispheres.

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The palisade layer
lubasha [3.4K]

Answer:

Answer is D, all of the above.

4 0
3 years ago
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Describe the steps that your body takes when building immunity.
Sergio [31]

Answer:

Explanition:

The immune system is made up of special organs, cells and chemicals that fight infection (microbes). The main parts of the immune system are: white blood cells, antibodies, the complement system, the lymphatic system, the spleen, the thymus, and the bone marrow.

4 0
3 years ago
Select the correct answer from each drop-down menu.
chubhunter [2.5K]

Answer:

It contains Uracil (U) instead of Thymine (T).

Reason for primer removal:

This is because of their uracil nucleotide which is absent in DNA. Instead of Uracil DNA contains Thymine nucleotide.

Explanation:

Primers:

Primers are a short sequence of RNA. These sequences attached to the 5' end are the requirement of DNA polymerase to start the process of replication.

Primer removal:

After replication, these short fragments of RNA are removed to replaced with DNA from the newly synthesized DNA strand.

Reason for primer removal:

This is because of their uracil nucleotide which is absent in DNA. Instead of Uracil DNA contains Thymine nucleotide.

Best Answer:

Because It contains Uracil (U) instead of Thymine (T).

4 0
3 years ago
How are the terms ovum, zygote, and embryo related?
enyata [817]

Answer:

ovum fusing with sperm will give zygote (fertilization)

The zygote later on develops to an embryo in the womb after implantation.

5 0
2 years ago
2
sergejj [24]

Answer:

There is no diagram but

It would be A if you were looking at the endoplasmic reticulum (ER).

It would be B if you were looking at a mitochondrion.

I do not remember what C is, so if it is not the ER, Golgi apparatus, or the mitochondrion, it is most likely C.

It would be D if you were looking at a Golgi apparatus

8 0
3 years ago
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