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gladu [14]
2 years ago
11

Hemophilia is a disease that causes uncontrollable bleeding. If a father has it, all of his daughters will be carriers of the di

sease, and about half of his sons will have the disease.
Which macromolecule is involved in how hemophilia is passed from parents to their children?

- carbohydrate
- lipid
-Nucleic acid
- protein
Biology
1 answer:
Viktor [21]2 years ago
7 0

Answer:

Protein is the macromolecule that is involved in how hemophilia is passed from parents to children

Explanation:

Hemophilia A, also called factor VIII (8) deficiency or classic hemophilia, is a genetic disorder caused by missing or defective factor VIII (FVIII), a clotting protein. Although it is passed down from parents to children, about 1/3 of cases found have no previous family history.

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Muscle that allows you to shrug your shoulders or extend your head.
SOVA2 [1]

Answer:

the trapezius muscle.

Explanation:

the trapezius muscles are a pair of triangular muscles that extend over the back of the neck and shoulders, moving the head and shoulder blades.

7 0
2 years ago
When a rat's ventromedial nucleus is destroyed, the rat will:
ExtremeBDS [4]

The correct answer is C. It continues to eat the amount of food it does normally.


When rat's ventromedial nucleus is destroyed the rat will become more hyper physics and it continues to eat until it has doubled its normal weight.

Ventromedial nucleus of hypothalamus is termed as nucleus of hypothalamus.

It is a distinct morphological nucleus which involved in terminating hunger, fear, sexual activity and thermoregulation.

Ventromedial nucleus of hypothalamus is divided into subdivisions. For example, dorsomedial, ventrolateral, central and anterior. VMN is most commonly associated with satiety. In rats ventromedial nucleus is caused by over-eating and obesity.

7 0
3 years ago
Read 2 more answers
during exercise or running, blood flow and breathing rate increase to transport oxygen to the muscles, causing an increase in he
pogonyaev

Answer: autonomic nervous system

Explanation:

The autonomic nervous system serves as a regulator of blood pressure and is also critical in the regulation of skeletal muscles blood flow during exercise.

Pulmonary ventilation increases because of a rise in tidal volume and respiratory rate to meet increased oxgyen demand.oxygen delivery during strenuous exercise is limited by cardiovascular function.

During exercise, there is an increase in physical activity and muscles cell respire more than they do when the body is at rest. The heart rate of breathing increases and this make more oxgyen to absorb into the blood and more carbon dioxide is removed

6 0
2 years ago
Reptiles are better suited to dry land than their amphibian ancestors because
Vaselesa [24]

Answer:

<u><em>All of the above.</em></u>

Explanation:

1. Their watertight skin minimizes moistures loss: <em>Reptiles have a reputation that they are “slimy” when we touch and hold them; however, they have dry skin, which has even fewer glands than mammals or amphibians. The main special feature of their skin is that the epidermis is heavily keratinized with a layer, which also prevents water loss.</em>

2. Amphibians must lay eggs in water or in moist soil to reduce moisture loss: <em>Because amphibian eggs don't have an amnion, the eggs would dry out if they were laid on the land, so amphibians lay their eggs in water.</em>

3. Reptile egg shells are harder than amphibians' eggs: <em>Reptile eggs are coated with a leathery or brittle coating, and the animals that hatch from them are miniature versions of the full-sized animal parent. In contrast, amphibian eggs are transparent and jelly-like. The animals that hatch from them still must go through metamorphosis.</em>

<u><em>Hope this helps you have a better understanding:) !!</em></u>

7 0
2 years ago
Zones in lakes and oceans are delineated by depth, distance from shore, or light penetration. Different zones have different phy
Sophie [7]

Answer:

a.) freshwater plants may be rooted here--- Shore

b.) littoral zone--- it is the region of a lake or pond that is nearest to the shore

c.) limnetic zone--- A region of open water in lakes and ponds.

d.) alternately dry and submerged--- Intertidal Zone

e.) extends to edge of the continental shelf--- Neretic Zone

f.) generally low nutrient levels

g.) light penetrates here--- Photic Zone

h.) no photosynthesis occurs here--- Aphotic Zone

i.) benthic zone--- this is purely known as the bottom of the lakes or oceans

6 0
2 years ago
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