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umka21 [38]
3 years ago
6

What type of natural selection was acting on the lab scenario

Biology
1 answer:
anygoal [31]3 years ago
4 0
Types of natural selection: Different types of natural selection can impact the distribution of phenotypes within a population.In (a) stabilizing selection, an average phenotype is favored.In (b) directional selection, a change in the environment shifts the spectrum of phenotypes observed.In (c) diversifyingselection.
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explain why a father with blood group AB cannot donate for a child with blood group O when he marries a woman with blood group O
denis-greek [22]

The odds are astronomical for a father with AB(IV) to have an O(I) child. The only possible way for this phenomenon to occur is if there was a nondisjunction in the ovogenesis for the 9th chromosome and the father also had a nondisjunction for the same chromosome(A sperm cell with no 9th chromosome fertilized an ovum with two 9 chromosomes).

A person with AB cannot donate to a person with O because the receiver has antibodies(alpha and beta) that bind to the antigens on the AB blood cells, causing death.

7 0
3 years ago
Arrange the steps in the correct order to explain how the muscle fibers contract
trasher [3.6K]
Myosin and actin protein filaments attach to each other . Calcium ions release into myofibrilles . Myosin filaments pull on the actin filaments
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3 years ago
In order for P. multocida to survive and carry out cellular functions (and cause infection), the energy contained in each molecu
AVprozaik [17]

Answer:

Allosteric inhibition can be reversed.

The allosteric inhibitor binds to a site distinct from the active site resulting in decreased affinity of the enzyme for the substrate.

Allosteric inhibition can be irreversible

8 0
3 years ago
What is the role of ADH (antidiuretic hormone) in regulating salt and water concentrations in the blood?
Alisiya [41]
Right when there is not that a lot of water within the body, pituitary organ releases additional vasoconstrictor to resorb more water in the circulatory framework therefore the pee are targeted..but once there is additional water in body, less ADH can be discharged to resorb less water within the blood therefore it leads to a weaken pee.

So the answer you are looking for is B. <span>It prompts the kidneys to reabsorb more water into the bloodstream to dilute the salts.

I hope this helps!</span>
8 0
3 years ago
Read 2 more answers
Que efecto tiene la masa en la velocidad de la difusión?
Over [174]

Answer:

Masa de las moléculas que se difunden: las moléculas más pesadas se mueven más lentamente; por lo tanto, se difunden más lentamente. Lo contrario es cierto para las moléculas más ligeras. Temperatura: Las temperaturas más altas aumentan la energía y por lo tanto el movimiento de las moléculas, aumentando la velocidad de difusión.

Explanation:

¡Espero que ayude!

8 0
3 years ago
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