Answer:
A. The population has reached carrying capacity.
Explanation:
I majored in Biology
Answer:
Conformational change
Explanation:
To understand how allosteroic enzymes work, one has to know how enzymatic reactions are executed. See below:

A ⇒ B
A: Represents the substrate of the reaction
B: Represents the product of the reaction
E: Represents the enzyme that catalyzes this reaction
Enzymatic reactions normally are controlled by the amount of substrate (A) or product (B) present in the environment. One way enzymes can control the reaction rate is through the presence of allosteric sites. These are specialized regions capable of binding molecules called effectors, causing a conformational change in the enzyme which leads to either acceleration or stalling of the reaction (depending on the specific enzyme and/or effector under study). Both substrates (A) and products (B) may act as effectors, resulting in, respectively, acceleration and slowing of the reaction.
Answer:
Spirochete, fungi, and protozoa
(not sure if this helped)
C is the answer. A physical change during an organisms life that is inherited by it's offspring. I just learned this! Hope this helps! :)
Answer:
B) The completely-plated phenotype is controlled by a dominant allele of a single gene.
Explanation:
<em>The results from the breeding experiment showed that the completely-plated phenotype is controlled by a dominant allele of a single gene because it followed Mendelian pattern of inheritance.</em>
According to Mendel, in a dominant/recessive gene situation, the recessive gene do not manifest physically in F1 generation and at F2, the phenotypic ratio of dominant to recessive gene is usually 3:1.
For example, assuming the completely-plated gene is represented by P and the alternate form (low-plated) by p.
At F1: PP x pp
Progeny: all Pp, completely-plated stickleback in appearance.
At F2: Pp x Pp
Progeny: PP, Pp, Pp, and pp
3/4 of the progeny have completely-plated appearance while 1/4 have low-plated appearance. The ratio of completely-plated to low-plated is 3:1.
The correct option is B.