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klasskru [66]
3 years ago
15

The net effect of the effector is to shut off the original ________, or reduce its intensity, during the negative feedback mecha

nism to restore homeostasis.
A. response
B. receptor
C. control center
D. stimulus
Biology
1 answer:
Karo-lina-s [1.5K]3 years ago
5 0

Answer:

option D

Explanation:

Negative feedback is a mechanism in which function of a cell or an organ is decreased. It lessened the output of a system and maintain system function which is known as homeostasis. It is a regulatory mechanism of normal physiology. Some of examples are

blood sugar level regulation, regulation of blood pressure, thermoregulation and many more.

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In a population, the sum of the relative frequencies of all alleles for a particular trait is
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Answer:

In a population, the sum of the relative frequencies of all alleles for a particular trait is equal to 100 percent. equal to the number of alleles for the trait

Explanation:

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An individual homozygous dominant for the thumb shape mates with an individual homozygous recessive for thumb shape. What are th
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Answer:

A punnet square can be described as a diagram which is made to check the outcomes of a cross.

To check the probability of the offsprings of a cross between homozygous dominant thumb shape parent with a homozygous recessive thumb shape parent, let's draw a punnet square:  

        t              t

T    Tt            Tt

T    Tt            Tt

The results of the punnet square depict that:

Genotype: All of the offsprings will be heterozygous for the thumb shape trait. Tt will be the genotype.

Phenotype: All of the offsprings will show the thumb shape like the thumb shape of the dominant parent.

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3 years ago
Which body system protects the body against invasion by pathogens? A. nervous system B. muscular system C. excretory system D. i
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I think the answer is D. immune system :))
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3 years ago
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What happens during the lytic cycle?
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In the lytic  cycle, a virus that has invaded and  entered a  cell takes over the cell's replication mechanism. The virus makes viral DNA and viral proteins.

The virus then lyses (breaks open) the cell membrane, allowing the newly  produced viruses to leave the now disintergrated host cell to infect  other new cells.

The lytic cycle is considered  the main method of viral replication. It is even more common than the lysogenic cycle. It has helped scientists understand better how the immune system responds  to pathogens.

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. What is the relationship between quantity demanded and quantity supplied at equilibrium? What is the relationship when there i
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Answer:

  • At equilibrium, the quantity of a commodity demanded is the same as the quantity of that commodity supplied. i.e. QD = QS. The price at which QD = QS is the equilibrium price.
  • When there is a shortage, the quantity of goods demanded would be greater than quantity supplied, as the price falls below the equilibrium price. i.e. QD>QS
  • When there is surplus, the quantity of goods demanded is less than the quantity supplied, as price increases above the equilibrium price. i.e. QD<QS.

For example, in the table showing the demand and supply schedule for T shirt at different prices (see file attached), the equilibrium price for a unit of T shirt is $3, at equilibrium, QD = QS (i.e. 30 = 30).

A shortage is recorded when the price of T shirt falls below equilibrium price of $3 as shortage of T shirt is recorded, i.e. @ $2, QD>QS (40>20). A shortage of 20 is recorded.

Surplus occurs as price increases above equilibrium price of which QD<QD, i.e. @ $4, a surplus of 20 is recorded.

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