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mrs_skeptik [129]
2 years ago
8

Why names light microscope and electron microscopes

Biology
1 answer:
yarga [219]2 years ago
6 0

Answer:

In contrast to light microscopes, electron microscopes use a beam of electrons instead of a beam of light. Not only does this allow for higher magnification and, thus, more detail, it also provides higher resolving power.

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Transcribe the following section of DNA 3’ G C C A T T A G 5’
rjkz [21]

Answer:

theres 2 answers actually

Explanation:

DNA TO RNA :

5’ CGG UAA UC 3’

DNA TO DNA :

5’ CGG ATT TC

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HELP PLEASE<br> Why do you think genetic diversity is an advantage of sexually reproduction?
Delvig [45]

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Genetic diversity is an advantage of sexual reproduction because it reduces the occurrence of unfavorable genetic traits and a variety of genes would lessen the chance of the extinction of a population due to environmental changes. The variation between a genetically diverse species will guarantee at least some of it survive when presented with different climates or challenges.

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When two objects are near each other, how would increasing one object’s mass affect it?
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the shape of the object would change

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There are two different species in a habitat. Species A has fewer genetic variations. Species B has a considerable amount of gen
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Species a are more prone to extinction
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Question 7 in the attachment, please help thank you so much!
sertanlavr [38]

Answer:

Here are the answers:

a. 4  Cell determination as an issue in the *rest is missing*

b. 4  They assumed that different ways of separating an embryo into two parts would be equivalent as far as the fate of the two parts was concerned.

c. 4  I and III only

Explanation:

The passage demonstrates the importance of two factors in the development of an embryo: cleavage planes of division of embryonic cells and cell differentiation.

Cleavage Planes:

Cleavage basically refers to the division of the zygote into a large number of cells called blastomeres. Cleavage planes are geometrical lines or orientations along which cleavage takes place. Since, all embryonic cells are the precursors of some type of body cells, the cleavage planes determine if the cells are adequate for growth and development.

Cell Differentiation:

Cell differentiation is the transition of an undifferentiated cell into a specialized one. For example, stem cells are undifferentiated cells that develop into progenitor cells that mature into a specific cell lineage. For an embryo to regenerate, the presence of adequate embryonic stem cells is crucial. Embryonic stem cells are present in abundance before the gastrulation phase of embryonic development, after which they rapidly start differentiating.

5 0
3 years ago
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