How do intracellular receptors differ from membrane receptors?

Biology

1 answer:

laila [671]3 years ago

5 0

Answer:

Intracellular receptors are located within a cell and bind to molecules that cross directly through the membrane. Membrane receptors are located in the membrane, bind to molecules that cannot cross it, and transmit the signal to the cell interior by changing shape.

Explanation:

Hope This Helps! P.S I Used My Science Book For This

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in humans, a combination of XX chromosomes results in a female zygote and that of XY result in a male zygotes. From whom does th

devlian [24]

The answer is: from mother

In a human diploid somatic cell (2n), there are in total 46 chromosomes - 22 autosomal chromosomes present in two copies and 1 pair of sex chromosomes. This means there are 23 pairs of chromosomes. In males, there is one X and one Y chromosome (XY) while in females, there are two XX chromosomes (XY).
During the formation of gametes, a female could give only X chromosomes, so gametes from the mother contain one X chromosome. But, a male could give X or Y chromosome, so gametes from the father contain either X or Y chromosome.
Female gamete and male gamete fuse to form a zygote. Male zygote must contain both X and Y chromosome. It inherits Y chromosome only from the father, so X chromosome must be inherited from the mother.

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3 years ago

PLEASE HELP ONLY 2 I CANT GET

ehidna [41]

1.) B it is not d because it shows a growth in the beak size, it didn't say anything about the birds having larger beaks just that the size increased
2.) A

p=.5 q=.5
q^2=.25 p^2= .25 2(pq)= .5 everything added up is 1.0 so we good

so q^2, which is the recessive gene or gg, is 25 percent

6 0

3 years ago

What did Charles Darwin discover as a result of his experiments with breeding pigeons?

Veronika [31]

Charles Darwin noticed that among the same species there were variations in traits based upon geographical location. These changes may have evolved from climate differences, predator/prey relationships and food sources. This particular experiment was intended to duplicate natural selection by demonstrating the concepts with artificial selection. The result was that over time, new traits could be bred for. Although there may be more than one correct answer here, the best answer is the first; desirable traits can be selected and bred in offspring.

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3 years ago

Leigh's disease is a mitochondrially inherited disease with symptoms that include seizures, fatigue, impaired reflexes, breathin

Ahat [919]

About the question:

You will find the pedigree in the attached files

Answer:

individual 4 → Affected woman → Black circle
individual 5 → Affected woman or man → Black circle or square
individual 7 → Healthy woman → Empty circle
individual 10 → Affected boy → Black Square

Explanation:

Mitochondrial inheritance is the transmission of a disease or a trait from the maternal line.

Most of the DNI is in the nucleus, but there is also DNI in mitochondria. Sperm cells hardly transfer mitochondrial genes to the progeny, so mitochondrial DNI is mostly inherited from the maternal side. If there exists any mutation in this mitochondrial DNI, the whole progeny of the mutated woman will be affected, as they will get the mother genotype carrying the mutation. On the contrary, if an affected man is carrying a mutation in mitochondrial DNI, non of their descendants will get the disease.

Before answering the question, let us remember the pedigree symbols.

Squares represent Males/Men
Circles represent Females/Women
Empty symbols represent healthy/non-affected individuals
Solid black symbols represent sick/affected individuals

In the exposed pedigree, we can see that the mother is affected by the disease (individual number 2), so all her children are also affected (individuals 4, 5, and 6) because the disease is mitochondrially inherited.

Individual 3 is a healthy man, so individual 4 must be an affected woman (Black circle). As she is the one affected, then all her children will also be affected. This couple had one boy and two girls. Individuals 8 and 9 are girls (circle), so individual 10 must be the affected boy (black square).

On the other hand, individual 6 is an affected man (black square), son of individuals 1 and 2. This man couples with a woman, and they have all healthy children. So this woman (individual 7) must be healthy. Even though the man is affected, all their children are not because their mother (7) is not. Remember that sperm cells do not transmit the mitochondrial genes to the progeny.

And finally, individual number 5 might be either a man or a woman. In any case, this person is also affected by Leigh's disease.

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3 years ago

An icy, rocky object that has a tail and orbits the Sun

Rus_ich [418]

Must be a comet I believe

8 0

3 years ago

Read 2 more answers