ADVANCED PLACEMENT AP HIGH SCHOOL

Which of the following describes the cell wall of plants and prokaryotes?A) The cell wall is a matrix composed mainly of cellulose, other polysaccharides, and proteins.
B) The cell wall is composed of phospholipid bilayer with proteins spread throughout.
C) The cell wall has regions of cholesterol and unsaturated phospholipids.
D) The cell wall is composed of glucose and other monosaccharides.

Answers

Answer 1
Answer:

Answer:

a

Explanation:
Answer 2
Answer: The answer is definitely A

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Based on your knowledge of engine components, what type of engine component or system appears to be shown in Figure A-16? A. A rope-rewind starter system B. A glow plug from a diesel engine C. A gravity-feed carburetor D. A flywheel magneto ignition system

Answers

I don't see the picture so i can't answer your question

When you are in danger, which part of the nervous system is responsible for your heart rate increasing?A) the central nervous system
B) the peripheral nervous system
C) the sympathetic nervous system
D) the parasympathetic nervous system

Answers

Your answer is simply the sympathetic nervous system
 
Definition-The sympathetic nervous system (SNS) is part of the autonomic nervous system (ANS), which also includes the parasympathetic nervous system (PNS). The sympathetic nervous system activates what is often termed the fight or flight response.

A full sleep cycle lasts aboutA) 30 minutes.
B) 60 minutes.
C) 90 minutes.
D) 120 minutes.

Answers

I'm pretty sure it's C) 90 minutes. 

Broken down into 65 minutes of normal, non-REM sleep, 20 minutes of REM sleep and 5 minutes of non-REM sleep. 

Hope this helped :) 

The Truman Doctrine and the Eisenhower Doctrine were United States foreign policies concerninga. the international balance of payments.
b. the containment of communism.
c. worldwide environmental pollution.
d. nuclear disarmament.

Answers

Both the Truman Doctrine and the Eisenhower Doctrine were specifically aimed at stopping the spread of communism - the correct answer is b. the containment of communism.

For example, the Eisenhower Doctrine focused on the Middle Eastern Countries and supported those that did not want to be communist.

Wind speeds increase higher up from the Earth's surface because A. the atmosphere is composed of heavier molecules at lower atmospheric levels.
B. the wind is augmented by the solar wind.
C. friction from landscape features doesn't slow them down.
D. oxygen levels are decreased, making air movement quicker.

Answers

Wind speeds increase higher up from the Earth's surface because C. friction from landscape features doesn't slow them down.

What is the Wind speed

Wind speeds get faster as you go higher up because there are less things in the way like trees, buildings, and hills. On the surface of the Earth, the wind gets slower because of the friction caused by the land and objects in the way.

As you go up in the air, the friction forces become less important, so the wind can move more easily and get faster at higher places. This is why you often experience stronger winds in places that are higher up, like mountain tops or in the upper part of the air.

Hence option c is correct.

Read more about Wind speed here:

brainly.com/question/29801913

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C. friction from landscape features doesn't slow them down.

Students may be granted ____ fee waivers for the SAT and _____ fee waivers for the SAT Subject Tests.

Answers

Students may be granted two fee waivers for the SAT and two fee waivers for the SAT Subject Tests.

Answer:

Students may be granted fee waivers for the SAT and fee waivers for the SAT Subject Tests.

Explanation:
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