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Mila [183]
3 years ago
5

What polysaccharide provides rigidity and strength in plants?

Biology
2 answers:
mestny [16]3 years ago
6 0
I believe the polysaccharide that provides rigidity and strength in plants would be cellulose. As this is one of the essential components found in the cell wall of plant cells.
sertanlavr [38]3 years ago
3 0

Answer:

cellulose

Explanation:

Cellulose can be defined as the polysaccharide that provides plant stiffness and strength. Cellulose stands out for being an insoluble carbohydrate and resistant to various chemical reactions. Moreover, it is the major component of the plant cell cell wall, representing about 30% of the dry mass in primary walls and 50% to 80% in secondary walls.

Cellulose is part of the constitution of the cell wall. Here it ensures stiffness as it forms a large system of interwoven fibers. Although it is formed by the same starch compound, cellulose is not used as an energy source for the vegetable.

Only some organisms are capable of breaking down cellulose molecules for their use, such as bacteria, fungi and some animals. In ruminants, cellulose is used as a source of energy due to the presence of microorganisms in its digestive tract that can break down this product.

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Genetic diversity is ultimately/mainly the result of _______________
RUDIKE [14]

Answer:

A. meiosis.

Explanation:

Meiosis is one of the two major types of cell divisions in living organisms. Meiosis is the process by which four daughter cells that are genetically different from the parent cell are produced. Meiotic process is carried out solely during sexual reproduction to yield gametes or sex cells.

The gametes have their chromosomal number reduced by half during the process. However, one immense importance of meiosis is that it PROMOTES GENETIC DIVERSITY. A process called crossing over, which is the exchange of chromosomal segment between non sister chromatids, makes this possible.

7 0
2 years ago
The all-or-none response means that
Delicious77 [7]

Answer:

option B) is correct

Explanation:

The all or none response means that if a muscle contracts, it will contract completely. Thus implying the all or none law which states:

The potential of a response of a muscle fiber or nerve cell is independent of the potential of the stimulus. If a stimulus is more than a certain critical value it will trigger muscle fiber or a nerve. Most importantly resulting in either an all-or-none response thus reducing possibility of any information loss.

3 0
3 years ago
What are the DNA base pairs?<br><br> Need asap
padilas [110]

Answer:

I hope i helped

Explanation:

A base pair (bp) is a fundamental unit of double-stranded nucleic acids consisting of two nucleobases bound to each other by hydrogen bonds. They form the building blocks of the DNA double helix and contribute to the folded structure of both DNA and RNA. Dictated by specific hydrogen bonding patterns, "Watson–Crick" base pairs (guanine–cytosine and adenine–thymine) allow the DNA helix to maintain a regular helical structure that is subtly dependent on its nucleotide sequence. The complementary nature of this based-paired structure provides a redundant copy of the genetic information encoded within each strand of DNA. The regular structure and data redundancy provided by the DNA double helix make DNA well suited to the storage of genetic information, while base-pairing between DNA and incoming nucleotides provides the mechanism through which DNA polymerase replicates DNA and RNA polymerase transcribes DNA into RNA. Many DNA-binding proteins can recognize specific base-pairing patterns that identify particular regulatory regions of genes.

7 0
3 years ago
Explain why organizing your data in an understandable format helps you, and others, make sense of that data.
Simora [160]
<span>It allows us to easily locate the data and use it.It will make it easier to find and correctly identify your files, prevent version control problems when working on files collaboratively.organising will help the users to read the big data in simple and understandable manner.</span>
4 0
3 years ago
What is the best description of the chromosomes by the end of prophase of mitosis?
SpyIntel [72]

Answer:

The chromosomes have coiled and become more compact.

Explanation:

6 0
3 years ago
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