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marta [7]
2 years ago
6

Select the correct answer.

Biology
2 answers:
GrogVix [38]2 years ago
5 0

Answer:

C. The Liquid which bubbles form is vinegar

Explanation:

Bubbles are one of the signs of a chemical reaction when there's bubbles there's gas.

allsm [11]2 years ago
5 0

Answer:

OC. The liquid in which bubbles are formed is vinegar.

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Sven discovered a new organism. It is unicellular, has no nucleus, and its cell wall lacks peptidoglycan. To which domain does S
nordsb [41]
Answer is B!!! i’ve had this question
3 0
3 years ago
A mutation creates a dominant negative allele of a particular gene. The normal allele of the gene encodes a protein that forms a
Wewaii [24]

Answer:

87.5% of the trimers in the cell will be inactive.

Explanation:

A monomer is a single subunit. Look at an easy comparison. If a monomer is a ball. For the protein to be functional, it needs to be a trimer .A trimer = 3 monomers joined / bound together with bonds. Therefore, if a monomer is a ball, we need 3 balls, we attach it together and that is the primer . if one ball becomes missing, that protein won't work .

In chemistry, a trimer is regarded as three molecules or ions of the same substance (that is, same type) which are associated together .

Double negative : Each gene has 2 alleles. So, for a positive protein, both allele needs to be same, let's say + means on. So for a x protein , if it's x+/x+ it means the protein is homozygous and active. If for some mutation, it's x+/x- , it's a heterozygous protein. Double negative means when it is x-/x- and this means the protein has lost is function . It's not functional at all.

The heterozygous cell will form one or more subunits has the mutant structure when the gene is expressed. From the question if there is a mutation in dominant negative allele, it will cause the inactivation of one trimer resulting in 87.5% inactive trimers for a heterozygous individual.

There are 87.5 % percent of the trimers present in the cell which will be inactive for a heterozygous individual, If at least one of the subunits has the mutant structure.

The probability for each individual subunit to be a mutant is 1/2

Gene codes for a protein that forms trimer so the percentage of the trimers present in the heterozygous individual is third power of 1/2 =1/8

1/8=0.125 will be active.

1- 0.125 will be inactive.

=0.875 will be inactive.

0.875 × 100= 87.5%

Therefore 87.5% will be inactive.

8 0
3 years ago
How quickly are the test results of a Simple Sugar test visible?
ludmilkaskok [199]
1 hour I think.. correct me if im wrong <3
6 0
2 years ago
Read 2 more answers
Red blood cells,carrying dioxide(a waste product of cellular respiration) travel in the blood vessel to the lung; to get rid of
alexandr1967 [171]

Answer:

True.

Explanation:

Red blood cells or erythrocytes carry oxygen to the cells of the body so that they can have energy and function properly. This is not the only function of red blood cells. Also, they carry dioxide, which is a waste product that needs to be out of our body. Erythrocytes carry the dioxide to the lungs, specifically to the alveoli. In the alveoli due to the inhalation, oxygen enters our body traveling up to the lungs, specifically to the alveoli, where thanks to the thin wall of it as well as the one on the capillaries that are in contact with it, the dioxide enters the lungs to be expelled in the exhalation, and the oxygen is taken by the red blood cells to be used in the cellular respiration and generate energy to keep the vital functions of our body.

3 0
3 years ago
What functions do endocytosis and exocytosis carry out for the cell ?
Genrish500 [490]
Endocytosis carry substances into the cells, and exocytosis is what the cell rejects.
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3 years ago
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