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Zigmanuir [339]
4 years ago
12

List the different magnifications you view slide specimens under. (Tell me the ocular eyepiece power and the three objective len

s powers.)

Biology
1 answer:
Murljashka [212]4 years ago
4 0

Answer:

40x, 100x, and 400x  

Explanation:

The ocular lens (closest to your eye) usually has a 10x power.

The objective lenses (closest to the object) usually have powers of 4x, 10x, and 40x.  

Combined, they give magnifications of 40x, 100x, and 400x.

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How fast can a DNA sequence be copied to m-RNA?
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DNA of a gene serves as a template for complementary base-pairing, and an enzyme called RNA polymerase II catalyzes the formation of a pre-m-RNA molecule, which is then processed to form mature m-RNA.

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4 years ago
which of the following statements related to chemical bonds is false? Atoms are the most reactive when they have a full outer en
lbvjy [14]

Answer:

Atoms are the most reactive when they have a full outer energy level.

Explanation:

Atoms are the least reactive and most stable when their outermost electron shell is full.

8 0
2 years ago
Ferns often have small bumps called sori arranged in rows on their undersides. What are these structures?A) Spore capsules.
leva [86]

Answer:

A) Spore capsules

Explanation:

Ferns produce spore capsules contained in the sporangium (plural: sporangia), a structure localized on the undersides of the leaves. Moreover, the sporangia are borne in clusters known as sori (singular sorus). The spores are single reproductive cells that, when mature, are released from the sporangium to germinate on soil and produce new ferns. In a fern sporangium, the maximum number of spores is 64, although this number depends on the species.

6 0
3 years ago
Cells undergo differentiation during embryonic development. An individual skin cell develops differently from a muscle cell beca
Anni [7]
  • An individual skin cell develops differently from a muscle cell because the cells express different genes.  
  • All the given cells present in the body, be it skin or muscle cells have the same DNA and the same set of genes. However, these cells are able to develop differently from each other due to the differential expression of their genes.
  • Differential expression of genes means that the different cells which perform different function although have the same set of genes, express different genes at different times and thus, look and function differently.
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3 years ago
What are the names of rare amino acids?
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The term rare amino acids is misleading in some respects. It refers to all those amino acids that are not incorporated into proteins. We already got to know some of them like ornithine or citrulline that are rather common intermediates of the basic metabolism. Roughly 220 different structures are known, most of which occur in plant cells in a free state though glutamate-, oxalate- or acetyl- derivatives can also sometimes be found.

Source: https://s10.lite.msu.edu/res/msu/botonl/b_online/e20/20e.htm

Hope this helps!

4 0
4 years ago
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