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Degger [83]
3 years ago
7

Which is NOT a similarity between glycogen and amylopectin? A) Each has branches of similar chain length. B) Each is highly bran

ched. C) Each has one reducing end and many nonreducing ends. D) They each contain about 6000 glucose residues.
Biology
1 answer:
ArbitrLikvidat [17]3 years ago
8 0

Answer:

The correct answer is A each has branches of similar chain length.

Explanation:

Amylopectin and glycogen are both branched polysaccharide.They both have one reducing end and many nonreducing end.Both of them contain thousands of glucose monomers.

     But they contain branches of different chain length.In case of amylopectin the branches occur at every 25-30 monomeric residues of glucose whereas in glycogen branching occur at every 8-12 glucose monomers.

      As a result their branching occur at different chain length.

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List ten factors which can be involved in regulating bacterial gene expression (includes specificity and level of expression). "
nirvana33 [79]

Answer:

At least 6 were provided:

1. Transcription.

2. Chromatin domains.

3. mRNA degradation.

4. RNA transport.

5. Translation.

6. Post-transcriptional modification.

Explanation:

Chromatin domains.

Changes to the epigenome can result in changes to the structure of chromatin and changes to the function of the genome.

Transcription.

During transcription, a DNA sequence is read by an RNA polymerase, which produces a complementary, antiparallel RNA strand called a primary transcript.

Post-transcriptional modification.

is a set of biological processes common to most eukaryotic cells by which an RNA primary transcript is chemically altered following transcription from a gene to produce a mature, functional RNA molecule that can then leave the nucleus and perform any of a variety of different functions in the cell.

RNA transport.

mRNA is created during the process of transcription, where the enzyme RNA polymerase converts genes into primary transcript mRNA (also known as pre-mRNA). This pre-mRNA usually still contains introns, regions that will not go on to code for the final amino acid sequence.

Translation.

In translation, messenger RNA (mRNA) is decoded in the ribosome decoding center to produce a specific amino acid chain, or polypeptide.

mRNA degradation.

Different mRNAs within the same cell have distinct lifetimes (stabilities). In bacterial cells, individual mRNAs can survive from seconds to more than an hour. However, the lifetime averages between 1 and 3 minutes, making bacterial mRNA much less stable than eukaryotic mRNA.

3 0
3 years ago
Provides great strength through parallel bundles of collagenic fibers found in tendons
tiny-mole [99]

Answer:

<h2>Dense connective tissue.</h2>

Explanation:

This is a type of connective tissue that has fibers, which are composed of collagen. You can refer to the image attached to see the parallel bundles of these collagenic fibers.

So, basically this formations help to forms strong tissue like tendons or ligaments.

8 0
3 years ago
Steroids send chemical signals to different parts of an organism's body. What class of macromolecule do they belong to?
Masja [62]
The class of macromolecule a steroid belongs to is a lipid.
7 0
2 years ago
Approximately how much principal would need to be placed into an account earning 3.575% interest compounded quarterly so
cestrela7 [59]
Answer: b
Explication: b
6 0
3 years ago
Read 2 more answers
Each biological species is genetically isolated from other species. why do the species evolve independently?
Nookie1986 [14]
Species evolve independently possibly due to geographical isolations or behavioural isolations.

Geographical isolation includes the isolation of 2 groups of the same species. Since these 2 groups live in different locations, (e.g. a volcanic eruption resulting in a barrier between one side of an ocean and another side of the ocean), they will have different selection pressures in their different environments as well (e.g. one side of the ocean may have more sunlight and thus more underwater plantations than the other side of the ocean). Natural selection will eliminate those with disadvantageous characteristics (e.g. Fishes that only eat plants and nothing else on the side of the ocean with little plantations) with unfavourable alleles, and select for those with advantageous characteristics (e.g. Fishes are able to eat plants and other organic substances as well on the side of the ocean with little plantations) with favourable alleles.

Since the 2 groups have different selection pressures, natural selection will occur in different ways, selecting for and against different types of fishes with different types of alleles. Also, because of the barrier, they are not able to mate with each other, and there are no mixing of genes from one side of the ocean and the other side. They are genetically isolated. As genetic drift occurs over time, their gene pools become different from each other. Thus, they evolve independently.

Hope this helps! :)
7 0
3 years ago
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