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2 years ago

A b c d ? please help me :)

Biology

2 answers:

nataly862011 [7]2 years ago

6 0

Answer:

Explanation:

its a semi permeable membrane. it chooses what can go in and out so nothing bad happens.

Ainat [17]2 years ago

6 0

A would be the correct answer

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Why does an egg change color and texture when heated? Its proteins reorder their sequence of amino acids. Its pH increases, whic

pickupchik [31]

The reason why an egg texture when heated is because : Proteins lose their shape and become insoluble
This occurrence is commonly known as denaturation, which caused the bond that bind the amino acid to break during the heating process and form another bond.

4 0

2 years ago

Oompah’s with type O blood receive a tax break. ophine oompah has type a blood, but he wants a wife that will give him children

vova2212 [387]

Answer:

He should request type O on his dating survey.

Opine's blood type must be AO to have a higher probability of producing O offsprings.

Explanation:

O blood type is recessive so, when it is paired with another blood type like B or A, these would be dominant, giving B and A blood, respectively.

O blood type results are possible thanks to OO genotypes.

If the man's blood type is A, to have a higher chance of producing OO offsprings, his blood should be AO. The other possibility is that he has AA blood, which will result in a low probability of OO offsprings.

As regards the mother, her blood type should be OO.

We can see this more clearly in Punnet Square.

║ A ║O

O║AO║OO

There is a 50% of probability of having O offsprings with AO and OO.

║ A ║A

O║AO║AO

O║AO║AO

With AA and OO, the probability is 0%

║ A ║O

A║AA║AO

O║AO║OO

With both parents having AO, blood the probability of having a OO offspring is 25%.

In conclusion, the higher chances of producing a OO offspring is if the parents are AO and OO.

3 0

2 years ago

When the vasomotor center of our brain wishes to increase blood pressure, it increases ____________ signals causing ______.

dlinn [17]

When the vasomotor center of our brain wishes to increase blood pressure, it increases the heart rate signals causing The greater contraction of the heart causes more blood vessels to constrict, increasing the blood vessels' resistance.

By speeding the heartbeat, making the heart beat harder, and constricting some blood vessels, the sympathetic nervous system increases blood pressure. This will enhance the vessels' resistance.

What controls blood pressure by the vasomotor center?

The vasomotor center modifies the tone of the vascular smooth muscle. Both the local and systemic blood pressure are impacted by this. The vasomotor center produces increased sympathetic tone when blood pressure lowers. This causes an increase in blood pressure.

How is blood pressure regulated?

The autonomic nervous system has short-term control over blood pressure (ANS). Baroreceptors are capable of detecting changes in blood pressure. These are situated in the carotid sinus and aortic arch. High arterial pressure causes the blood vessel wall to stretch, activating the baroreceptors.

What systems regulate peripheral resistance in the vasomotor center?

The vasomotor center in the tunica media regulates smooth muscle contraction or vessel tone. Circulating output is impacted by changes in peripheral resistance, pressure, and flow. The majority of these neurons are in charge of causing sympathetic neurons to release the neurotransmitter norepinephrine.

to learn more click below-

brainly.com/question/10013870

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8 0

1 year ago

Help pls!!!!!!!!!!!!!!!!

Aleks [24]

Answer:

1.) Ozone

2.) Carbon dioxide

3.) Oxygen

4.) Water vapor

5.) Sulfur dioxide

Hope this helps!

3 0

2 years ago

How do scientists study pollen grains to help them understand climate change ?

Kipish [7]

Answer: by analyzing and making inferences about them

by observing and listing facts about them

by studying and reading more about them

by inspecting them and sharing findings with other scientists

7 0

2 years ago

Read 2 more answers