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Alex73 [517]
3 years ago
14

What is the best definition of a chromosome? Based on the picture provided above :)

Biology
1 answer:
Talja [164]3 years ago
8 0

Answer:

d.

Explanation:

A chromosome is a strand of DNA that is encoded with genes. In most cells, humans have 22 pairs of these chromosomes plus the two sex chromosomes (XX in females and XY in males) for a total of 46. The word chromosome was originally coined in German from the Greek words khroma, meaning color, and soma meaning body.

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Neurotransmitter systems are particularly associated with (a) depression, (b) anxiety, (c) pain, and (d) addiction?
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I think it is c but I’m not sure
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What measures were taken to prevent the black death and how was it cured ?
Vladimir79 [104]

Answer:

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Water with dissolved soil in it percolating through a rock is an explane of what? ( weathering, erosion, or deposition)
frosja888 [35]

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5 0
3 years ago
Fill in the blank with the correct sphere label.<br><br> A: <br><br> B: <br><br> C:
miss Akunina [59]

Answer:

A: geosphere

B: biosphere

C: hydrosphere

Explanation:

3 0
3 years ago
You just came back from a class in which the topic was egocentrism in the preoperational stage. You have a 4-year-old and though
joja [24]

Answer:

Option B

Explanation:

Question -

You just came back from class in which the topic was egocentrism in the preoperational stage. You have a 4-year-old and thought that you would see if what you learned was accurate. You are sitting directly across from her and ask her to look at the front and back cover of her favorite book. After she did this you asked her to describe "the part of the book I am looking at." What does she tell you?

a) how many pages there are in the book

b) what she sees

c) what you see

d) what the story is about

Solution

As per Piaget's theory of cognitive development, when a child is at the preoperational stage he/she is able to think only at symbolic level and cannot use his/her cognitive thinking.  

He/she is unable to derive senses or meaning associated with symbols and also his/her communication is egocentric which means they cannot think from the perspective of other people.  

Hence, option B is correct

4 0
3 years ago
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