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trapecia [35]
3 years ago
9

Shannon is making a Venn diagram to organize the characteristics of cell walls and cell membranes. Which pair of characteristics

both belong in the two areas of the Venn diagram that do not intersect?
(A) helps with communication; contains mostly cellulose
(B) contains mostly cellulose; forms the outer layer of animal cells
(C) is found in plant cells; is found in animal cells
(D) is semipermeable; found in animal cells
Biology
2 answers:
mafiozo [28]3 years ago
8 0
The answer is B: contains mostly cellulose; forms the outer layer of animal cells
Aleksandr-060686 [28]3 years ago
3 0

The right answer is (B) contains mostly cellulose; forms the outer layer of animal cells.

The so-called pectocellulosic cell wall (consisting of pectin and cellulose) completely surrounds the cells and thereby plays the role of an internal medium of the plant or an inter-cellular medium. It is therefore involved in intercellular exchanges and communications (just like the cell membrane in animals, so A is false).

The cytoplasmic membrane or plasmalemma is located in contact with the cytoplasm, at the boundary between the inside and the outside of the cell.

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I lived on a small indonesian island around 18 kya. i used stone tools to hunt animals, but i had a very small cranial capacity
steposvetlana [31]

Answer:

soo sorry i dont know the answer

Explanation:

4 0
3 years ago
On a construction site, a worker moves some debris and a bulldozer moves a different pile of debris Which of these best explains
bonufazy [111]

Answer:

The correct answer is - they are both systems that are performing similar functions.

Explanation:

In the given question there are two different entities that do a similar kind of work or perform similar functions, however, the systems are different as one system involves the manpower of a worker whereas the other system involves the high power of a bulldozer.

The work is similar but the amount of the work varies as manual work done by a worker is less in comparison to the bulldozer.

8 0
3 years ago
Somebody explain this in short?
Olenka [21]

significant digits are certain digits that give detail in a number

ex. in the number 400 it is the 4 because it tells you how many hundreds are in the number, in the number 49.92 it would be all of them because they all help understand the number

Do you get it?


5 0
3 years ago
the autonomic (involuntary) nervous system controls the rate at which the heartbeats. sympathetic (fight or flight) signals spee
Vanyuwa [196]

the autonomic (involuntary) nervous system controls the rate at which the heartbeats. sympathetic (fight or flight) signals speed up the heart’s rate while parasympathetic (rest and digest) signals slow it down. The part or parts of the heart that forms sympathetic and parasympathetic neurons form synapses is called cardiac plexus.

Cardiac plexus is a plexus of the nerves that are present at the base of the heart and is divided into superficial and deep part. The sympathetic and the parasympathetic nerves form synapses with heart in the form of cardiac plexus.

The sympathetic nerves are responsible for activating flight or fight mode while parasympathetic nerves are responsible for restoring the normal body state.

To learn more about sympathetic nerves here

brainly.com/question/7495218

#SPJ4

5 0
2 years ago
An individual sustained a closed head injury in a rock climbing accident. In the ER the RN elevates the head of the bed at 30 de
mote1985 [20]

Answer:

Answered below

Explanation:

Head injuries may be penetrating head injury or closed head injury.

A major concern for health professionals regarding intracranial injuries resulting from closed head traumas, is the management of intracranial pressure. Elevated intracranial pressure have negative effects on the brain and immediate management of raised intracranial pressure is important to avoid cerebral edema, intracranial hematoma, brain herniation and even death.

The usual procedures in the management of head injury include elevating the head to about 30 degrees. This position promotes cerebral venous drainage and decreases intracranial venous pressure and intracranial pressure as well.

This is helpful because when the patient is left in the horizontal position, the intracranial pressure becomes significantly higher and the have fatal consequences.

8 0
3 years ago
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