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natulia [17]
2 years ago
8

Nitrogen waste is the byproduct of _______ metabolism

Biology
2 answers:
Elenna [48]2 years ago
8 0

Answer:

Protein

EXPLANATION:

All of these substances are produced from protein metabolism.

Flauer [41]2 years ago
5 0
Ammonia is the waste produced by metabolism of nitrogen
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The archaebacteria kingdom has been on earth for at least ________ years.
nata0808 [166]

Answer:

Archaea are found in the harshest environments on Earth, and are the oldest known organisms on Earth, appearing in the fossil record over 3.6 BILLION years ago

Explanation:

Hope this helps!

6 0
2 years ago
Inheritance patterns cannot always be explained by Mendel's models of inheritance. If a pair of homologous chromosomes fails to
soldier1979 [14.2K]

The question is incomplete as it does not have the options which are:

A) n+1; n+1; n-1; n-1

B) n+1; n-1; n; n

C) n+1; n-1; n-1; n-1

D) n+1; n+1; n; n

Answer:

Option-1

Explanation:

The laws of inheritance were concluded from the result of Mendel's experiment which is based on the fact that gametes are formed. Later research suggested that gametes are formed by the process of meiosis which takes place in two phases and recombination is a characteristic of Meiosis.

If during anaphase I of meiosis I, the alleles fails to separate that is nondisjunction takes place at anaphase I, Then the resulting daughter cells will have unequal distribution of chromosomes.

One daughter cell will receive 1 extra copy of the chromosome while another daughter cell will receive 1 less chromosome therefore ploidy level will be n+1 and n-1.

During meiosis II, 2 more daughter cells will be formed with the same ploidy level therefore in last the meiosis will result in 2 (n+1) and 2 (n-1) cell.

Thus, Option-1 is the correct answer.

4 0
3 years ago
Which of the following statements about prey choice is not correct?
gogolik [260]

Answer: d. Predators avoid prey that are in their prime in order to maintain a high reproductive rate in the prey population, and hence 'grow' prey for the future.

Explanation:

A predator can be define as an organism superior and strong enough to kill inferior and weaker organism. This organism kill other organism to obtain it as food. A prey is an organism which is weak and cannot defend itself from the attack of the superior organism.

d. is the correct option. This is because the predators do not bother about the age and strength of the prey. They attack over them whether the prey is weak , young, prime, or old and try to obtain it as food.

8 0
3 years ago
Which of the following is not caused by a virus?
Lemur [1.5K]

Answer:

Tuberculosis.

Explanation:

it is caused by a bacterium which can attack any part of the body such as the kidney, spine, and brain. not everyone infected with TB becomes sick

4 0
2 years ago
Which of the following is the limit of science
Snowcat [4.5K]
I don’t think there is a limit in science because we didn’t discover even half of the ocean.
4 0
3 years ago
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