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Olegator [25]
3 years ago
7

Please help me!

Biology
1 answer:
mezya [45]3 years ago
5 0
I am not sure about the glaciers I would like to say salt water but that's just my guess. However I know that salt water is more dense than fresh water simply because it has salt in it.
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why do polysaccharides like cellulose and peptidoglycan able to resist degradation and enzymatic activity
mixer [17]

Polysaccharides like Cellulose form insoluble micro-fibrils making it resistant to degradation and enzymatic activity.

<u>EXPLANATION: </u>

  • Polysaccharides components in general broken down monosaccharides and they are very little enough to be absorbed by the body.
  • But the polysaccharide like cellulose cannot be absorbed by our body.
  • Cellulose is made up of simple polymers that form insoluble micro-fibrils results in resistant to degradation and enzymatic activity.
  • Also, molecules of each micro-fibril are so tightly packed structure and prevent the penetration of enzymes.
  • Thus, cellulose degradation requires a complex enzyme and cellulose.
7 0
3 years ago
Which cross shows both parents having two different alleles for each of two different genes?
shtirl [24]

Answer:

The correct option is Number 1. AaBb x AaBb

Explanation:

Genes can be described as basic hereditary units. The genes are made up of DNA.

A gene carries two alleles for a particular trait. These alleles are present at the same loci in the homologous chromosomes. If the two alleles are similar then they are termed as homozygous e.g AA, BB. If the alleles for a trait are different then they are termed as heterozygous e.g Aa and Bb.

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3 years ago
Which of the following is common feature of the illustrated reactions showing the linking of honomers to form macromolecules?
bija089 [108]

Answer:

Monomers are joined by a covalent bond, and a water molecule is produced

6 0
3 years ago
The pH scale measures how acidic or basic a substance is. Normal drinking water needs to have a pH of less than 6.5. Model the n
maxonik [38]

Answer:

6.5 > x > 8.5

Explanation:

6 0
2 years ago
Which of the following is not a likely result of global warming?
scZoUnD [109]

Answer: rising sea levels, increased agricultural productivity worldwide, increased storm frequency and intensity, worsening health disease and their impacts​

Explanation:

3 0
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