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raketka [301]
3 years ago
9

What vitamin does the skin play a role in manufacture?

Biology
1 answer:
tatuchka [14]3 years ago
7 0
The skin plays a role in the production of vitamin D because when dehydrocholesterol reaches the skin by means of the blood and is exposed to ultraviolet light from the sun, it changes to vitamin D in an inactive form.

hope this helps!

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Explain the importance of scientific names.
prohojiy [21]

Answer:

Every recognized species on earth (at least in theory) is given a two-part scientific name. This system is called "binomial nomenclature." These names are important because they allow people throughout the world to communicate unambiguously about animal species.

3 0
3 years ago
What components of the eukaryotic cell were visible in the onion root tip? Which components were not? Why do you think some comp
ruslelena [56]

Looking at the onion root tip under the microscope you can see large, rectangular cells with visible distinct cell walls surrounding it (cells have a more regular shape because of the wall). Inside the cells, you can notice darkly stained nucleus, large vacuoles at the center and sometimes small granules within the cytoplasm. Looking the onion root tip under the microscope is often the way to observe mitosis. Usually, you cannot see organelles such as mitochondria, ribosomes, rough and smooth endoplasmic reticulum, centrioles and Golgi body as they appear translucent and because are too small to be seen under the light microscope (electron microscope required). Also, chloroplasts are not present in an onion cell because it is not a photosynthetic cell.

6 0
3 years ago
Which statements best describe shared characteristics? Check all that apply.
Masteriza [31]

a~ shared characteristics are features or qualities that organisms or species have in common.

c~ shared characteristics can be characteristics that existed in the common ancestor and still exist in modern organisms.

d~ shared characteristics can be new characteristics that have been modified from what was found in the common ancestor.

i hope these are correct, if they aren't, i'm so sorry.

btw, i love your username!!

rose from blackpink? Imaoo :D~

3 0
3 years ago
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Which of the following are inherited characteristics in pigeons?
svet-max [94.6K]

Answer:

B, C, and D

Explanation:

The options B, C, and D, have to do with genetics, and therefore can be inherited.

6 0
2 years ago
What is the structure of rRNA
poizon [28]
The ribosomal RNAs complex with proteins to form two subunits, the large subunit (LSU) and small subunit (SSU). During translation, mRNA is sandwiched between the small and large subunits, and the ribosome catalyzes the formation of a peptide bond between the two amino acids that are contained in the rRNA.
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