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zhenek [66]
3 years ago
11

I WILL MARK BRAINLIEST PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Biology
1 answer:
Murljashka [212]3 years ago
8 0

Answer:

T-protease would be active in the stomach and W-protease would be active in the intestines.

Explanation:

Acidic pH's are considered to be less than 7 and 7 is considered neutral. Due to this we know that T-protease is more active in more acidic pH's meaning it would be most active in the acidic stomach.

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Which two hormones closely control levels of calcium in the blood?
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Answer:

parathyroid hormone (PTH), which is produced by the parathyroid glands. I hope it helps

Explanation:

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Which characteristic of living things does a virus lack?
Marizza181 [45]

Answer:

Viruses are not made of cells as a living thing is.

Explanation:

.

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During infection, C. diphtheriae expresses a variety of genes that are used to establish infection and cause disease. One of the
galina1969 [7]

Answer:

B. AUU CGC AUC UUG AAC

Explanation:

<em>According to the rule of base pairing in DNA, the pyrimidine bases always pair with purine bases. Specifically, adenine (A) always pair with thymine (T) while Guanine (G) always pair with cytosine (C). In RNA, thymine is replaced by uracil (U).</em>

Hence, TAA GCG TAG AAC TTG  will give

             AUU CGC AUC UUG AAC.

The correct option is B.

3 0
3 years ago
Spontaneous Generation versus Biogenesis In this activity, you will distinguish the theories of spontaneous generation and bioge
zmey [24]

Answer:

<h2>There are different theories that was proposed regarding the evolution.</h2>

Explanation:

Spontaneous generation theory states that life arises from some non-living thing or component. An experiment was carried out where it was believed that maggots arises from a piece of flesh. So, they believe that maggots (living) arises from flesh (maggots).

Theory of biogenesis states that living organisms arises from living organisms.  To support the theory Pateur performed an experiment and proves that living organism arises from living organisms.

3 0
3 years ago
Hairpins often form at palindromic sequences in single strands of either RNA or DNA. However, several key features differentiate
JulsSmile [24]

Answer:

Explanation:

B) The pentose in the hairpin adopts only the C-3\' endo pucker conformation.

C) The hairpin adopts a right-handed helix with a diameter of 26 Å .

D) The hairpin contains G:C, A:U, and sometimes G:U base pairs.

DNA and RNA are both nucleic acids. Aside the structural difference of DNA being double stranded and RNA being single stranded, in DNA, the nucleotide bases adenine (A) is paired with thymine (T); while cytosine (C) is paired with guanine (G); howerver in RNA, thymine is replaced with uracil.; thus in RNA, the base pairs are - A:U and G:C

RNA however sometimes take on a dynamic structure, called the wobble case pair where guanine and uracil pair - G:U.

The diameter of RNA is 26 Å, while that of DNA is is 20 Å

The ribose in RNA with a helical structure has a C3’ endo conformation.  

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3 years ago
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