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Over [174]
3 years ago
15

Floridian starch is characteristic energy storage material of which algae? (A) Red algae (B) Diatoms (C) Green algae (D) Brown a

lgae
Biology
1 answer:
AysviL [449]3 years ago
3 0
Floridian starch is characteristic energy storage material of which algae?
the answer is A
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Bacteria and other microbes can be used to "clean up" an oil spill by breaking down oil into carbon dioxide and water. Two sampl
aksik [14]

Answer:

For sample A, A=17.7 %, T=17.7 %, G=32.30%, C=32.30%

For sample B, A= 28.9%, T=28.9%, G= 21.10%, C= 21.10%

Explanation:

The composition of nitrogenous bases in DNA is calculated using the suggestions proposed by the results of the experiment performed by Erwin Chargaff.

He found that in a DNA sample the composition of purine to pyrimidine is 1:1. This indicates that the amount of purine equals pyrimidine. This can be presented as purines + pyrimidines= 100. Also, adenine binds thymine and cytosine binds guanine.

In the given question,  

<u>For sample A </u>

A= 17.7 %, Therefore, thymine will be = 17.7 %,

A+T= 35.40%

Now, G+C=100- 35.40%

G+C= 64.60%

content of G= 64.60/2= 32.30%

content of C= 32.30%

<u>For sample B </u>

T=28.9%, A will be= 28.9%

A+T= 57.80%

G+C=100-57.80%

G+C= 42.20%

Thus content of G will be= 42.20/2=21.10

content of C= 21.10%

Thus,  

For sample A, A=17.7 %, T=17.7 %, G=32.30%, C=32.30%

For sample B, A= 28.9%, T=28.9%, G= 21.10%, C= 21.10%

6 0
3 years ago
Four factors that may lead to an increase of learners abusing substance in schools​
scZoUnD [109]

Answer:

4 reasons here:

Explanation:

1) Adventure; boredom causes them to look for excitement, even if it's detrimental to their health.

2) Peer pressure;research shows that risk-taking among teens doubles when peers are around.

3) media;easy to guess, shows a lot of risky behaviour in glamorous or admirable ways.

4) Poor self-esteem; bullying can lead to poor self-esteem and higher chance of the victim becoming depressed and taking substance to cope with the depression, also leads to err, self-death

5 0
2 years ago
If a code on a dna molecule for a specific amino acid is cta, what would the messesnger rna codon be?
finlep [7]
The RNA codon will be GAU, pairing Cytosine-Thymine-Adenine DNA codon with Guanine-Adenine-Uracil RNA codon. This codon is the Amino Acid, Aspartic Acid. In this codon we see Uracil which is the counterpart of Thymine in the RNA.
6 0
3 years ago
Heather presented to her class a report about the pancreas. Which statement in Heather’s report was not accurate?
Aliun [14]

Answer:

C. The pancreas triggers the development of secondary sex characteristics

Explanation:

Edge 2021

6 0
2 years ago
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A cat with black fur and white fur has kittens with black and white fur. All members of the family have fur that is short. The k
Anon25 [30]

Answer:

genetics? I'm not sure :(

8 0
2 years ago
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