SOCIAL STUDIES HIGH SCHOOL

Some solutes are able to pass directly through the lipid bilayer of a plasma membrane, whereas other solutes require a transport protein or other mechanism to cross between the inside and the outside of a cell. The fact that the plasma membrane is permeable to some solutes but not others is what is referred to as selective permeability.

Answers

Answer 1
Answer:

Answer:

The fact that the plasma membrane is selectively permeable is referred to as selective permeability.

Explanation:

  • In selective permeability ions and large polar molecules cannot pass through the membrane, on the other hand, hydrophobic molecules and small polar molecules can diffuse through the lipid layer of the plasma membrane.
  • This ability helps the sale to regulate the inflow and outflow of substances in and out of the cell.

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HIGH SCHOOL

When Anna was a child, a dog named Max used to bark at her whenever she walked past him, and even bit her once. As an adult, whenever she meets a pet named Max, her palms start to sweat and her heart races. Anna's behavior an example of ___________

Answers

Answer:

Association.

Explanation:

Anna has a childhood fear of  the dog named max.Since the dog used to bark at her and she had also bitten by that dog in her childhood so she has a associativity with the dog.In her childhood the dog used to scare her so because of that association when she meets that dog her palm start to sweat and heart races.

It is an example of association behavior.

Anna's behavior an example of Association.

What is an example of association?

The behaviors linked with association is one that is often increase in strength and can also increase in frequency when they have said to be followed by reward.

Note that this often takes place when an association between the behavior and a mental representation of the reward (such as meat)is in place. This is the case with Anna.

Learn more about behavior from:

brainly.com/question/1741474

HIGH SCHOOL

In what ways is Islam a way of life as well as a set of beliefs?

Answers

Islam is a way of life because people who practice it do things a very specific way & rarely stray from those ways. That would be my answer, if you need me to elaborate on this let me know :)
In what ways is Islam a way of life as well as a set of beliefs? easy Islam is very religeous 
MIDDLE SCHOOL

Why were early Indus Valley Civilizations seen as special A.They were very nice
B.They were very advanced
C.They were very primitive
D.They were very rich

Answers

The Indus Valley civilizations were seen as special because they were a very advanced society.

Indus Valley civilizations showed signs of advanced water systems, brick homes, sewage/irrigation, and thriving trade routes. Children's toys, as opposed to war weapons, were found in the area alluding to times of peace and prosperity.

MIDDLE SCHOOL

How many committees of 4 members can be formed from 9 people?​

Answers

Answer:A

)

126

different committees

B

)

21

different committees

C

)

70

different committees

Explanation:Explanation:

Recall: The number of different ways of arranging

n

numbers is

n

!

If 4 people are to be selected from 9 people:

There are 9 different choices for the first person.

There are 8 different choices for the second person.

There are 7 different choices for the third person.

There are 6 different choices for the fourth person.

This gives

9

×

8

×

7

×

6

different committees, however this will include the same combinations of people.

There are

4

×

3

×

2

×

1

ways in which 4 people can be chosen.

A) Therefore, for 4 people chosen from 9 there are

9

×

8

×

7

×

6

×

5

4

×

3

×

2

×

1

=

126

different committees.

B) If two people must stand, there are 2 people to be chosen from the remaining 7. Applying the same thinking as above this gives:

7

×

6

2

=

21

different committees.

C) if either one or the other must stand there are then 3 people who must be chosen from the remaining

7

people;

7

×

6

×

5

3

×

2

×

1

=

35

But this can happen in 2 different ways, depending on whether John or Barbara are on the committee.

So,

2

×

35

=

70

different committees can be formed.

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