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Mila [183]
3 years ago
7

Why is a recessive x-linked allele always expressed in males?.

Biology
1 answer:
Oksanka [162]3 years ago
3 0
Males possess only a single X chromosome, and therefore require only one mutated X in order to be affected.
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Compare and contrast the geocentric model of the solar system and a heliocentric model of the solar system. Determine and explai
azamat

Answer:

The geocentric model says that the earth is at the center of the cosmos or universe, and the planets, the sun and the moon, and the stars circles around it. The early heliocentric models consider the sun as the center, and the planets revolve around the sun.

Explanation:

8 0
2 years ago
7. Some cancers are caused by mutations that stop certain proteins from working. The inactivation of what kind of protein could
Viefleur [7K]

Answer: p53

Explanation:

In most cases, the p53 gene is mutated, giving rise to a stable mutant protein whose accumulation is regarded as a hallmark of cancer cells.

7 0
3 years ago
Foods used by animal cells include starches, sugars, and:
Iteru [2.4K]

Answer:

3. fats

Explanation:

fats are in the food used by animal cells, fats and lipids can be used for things such as storing energy in the cells

hope this helps :)

8 0
3 years ago
How are temperature and salinity related in a thermohaline circulation pattern?
katovenus [111]

Answer:

The correct answer is option D.

Explanation:

Thermohaline circulation is the circulation of currents in the deep ocean due to the density of the water which is controlled by heat and salinity. Water in the ocean posses layers or defined boundaries based on the density which provides driving force to the deep ocean currents.

Formation of these layers is due to the sinking of the cold water in the basin which and ice formation which leaves the salt in the seawater ,therefore, increasing salinity. This increased salinity increases its density and the surface water is replaced by the sinking water causing deep ocean currents.

Thus, option D is the correct answer.

5 0
3 years ago
Different cell types can react differently to epinephrine in the human body. Choose two cell types in the human body and briefly
Ipatiy [6.2K]

Answer:

I haven't really learned about cell types but I did find this information

Explanation:

How can epinephrine have different effects on different cells? Different cells have different receptors that bind epinephrine. Different cells activate different enzymes as a result of epinephrine binding.

epinephrine induces increased vascular smooth muscle contraction, pupillary dilator muscle contraction, and intestinal sphincter muscle contraction. Other significant effects include increased heart rate, myocardial contractility, and renin release

Hope it at least helps a little :)

3 0
3 years ago
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