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Doss [256]
3 years ago
6

Why are telomeres problematic for eukaryotic chromosome replication? a) They are highly repetitive and thus hard to replicate co

rrectly. b) Telomerase is more error-prone than the normal DNA Polymerase. c) The T loop blocks formation of primers on the lagging strand. d) Removal of the lagging strand primer leaves a gap in the one of the strand's DNA sequences. e) Maintaining very long telomeres promotes cancer cell formation.
Biology
1 answer:
Natalka [10]3 years ago
4 0

Answer: Option E

Maintaining very long telomeres promotes cancer cell formation.

Explanation:

Telomere refers to either of the sequences of DNA at each end of a eukaryotic chromosome.

Usually, in eukaryote chromosome replication, telomeres are not replicated.

Hence, they are usually lost resulting in the shortening of the telomere ends after repeated cycle of cell division. This also leads to cell aging and stoppage of cell division.

The shortening of telomere combined with stoppage of cell division, and cell aging initiation prevent CANCER, which thrives on lengthy telomeres

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Heterozygous is another word for what?
tatyana61 [14]

Answer:

Heterojunction or having two identical alleles of the same gene.

Explanation:

A heterojunction is an interface that occurs between two layers or regions of dissimilar semiconductors. These semiconducting materials have unequal band gaps as opposed to a homojunction. It is often advantageous to engineer the electronic energy bands in many solid-state device applications, including semiconductor lasers, solar cells and transistors. The combination of multiple heterojunctions together in a device is called a heterostructure, although the two terms are commonly used interchangeably. The requirement that each material be a semiconductor with unequal band gaps is somewhat loose, especially on small length scales, where electronic properties depend on spatial properties. A more modern definition of heterojunction is the interface between any two solid-state materials, including crystalline and amorphous structures of metallic, insulating, fast ion conductor and semiconducting materials.

4 0
3 years ago
Which statement is true about DNA?
lidiya [134]

Answer:

B

Explanation:

Both of the original DNA strands act as templates during replication. This option is correct.

4 0
3 years ago
Said all cells come from pre existing cells
kifflom [539]
In 1885 Virchow said that all cells exist from pre-existing cells
7 0
3 years ago
Consider the following geometric solids a sphere with a ratio of surface area to volume equal to 0.08 M negative one a right cir
azamat

Options:

A. The rate of diffusion would be the same for the two models.

B. The rate of diffusion would be faster for the right cylinder.

C. The rate of diffusion would be slower for the right cylinder.

D. The rate of diffusion would be faster for the sphere.

Answers:

The rate of diffusion would be faster for the right cylinder. Thus, the correct option is B.

To begin with, we must comprehend how the ratio of surface area to volume affects the rate of diffusion.

When comparing the ratio of surface area to volume, a body with a larger surface area will have a higher rate of diffusion than a body with a smaller surface area. It can be expressed mathematically as:

V∝ R    (whereas v is the diffusion rate and r is the surface area to volume ratio)

The answer to the question's surface area to volume ratio for spheres is given 0.8m⁻1

For a right circular cylinder, the surface area to volume ratio is provided  is 2.1 M.

The right circular cylinder has a larger ratio, hence it is obvious that the right circular cylinder will have a higher rate of diffusion because the rate of diffusion is directly related to the surface area to volume ratio.

For more information regarding volume, visit:

brainly.com/question/463363

#SPJ1

4 0
2 years ago
The preferred way to remove moisture from a dust cap prior to putting it back in place is to:
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The best thing to do is to rinse the dust cap with freshwater and dry it with a clean towel of air from the tank. Be sure to blow or towel dry the dust cap before putting it in place on the first stage.

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3 years ago
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