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disa [49]
3 years ago
9

A copy a chromosome made during cell division are called

Biology
1 answer:
Strike441 [17]3 years ago
3 0

Answer:

As a cell prepares to divide, it must make a copy of each of its chromosomes. The two copies of a chromosome are called sister chromatids.

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Na + Cl2 --> NaCl if you were given 15 grams of sodium (with excess chlorine) and asked to determine the amount of NaCl that
Elena-2011 [213]

Answer:

The correct answer is - 38.15 gm of NaCl.

Explanation:

Write the balanced equation for this reaction of sodium (Na) and chlorine (Cl₂) to produce sodium chloride (NaCl):

2Na + Cl₂ —> 2NaCl

the mass of Na and the mass of NaCl :

Molar mass of Na = 23 g/mol

In the balanced equation = 2 × 23 = 46 g

Molar mass of NaCl = 23 + 35.5

= 58.5 g/mol

similarly in balanced equation = 2 × 58.5 = 117 g

From the balanced equation above,

46 g of Na reacted to produce 117 g of NaCl.

By converting it to 15 grams of Na.

Therefore,15 g of Na will react to produce = (15 × 117)/46 = 38.15 g of NaCl.

Thus, 38.15 g of Na

4 0
2 years ago
Not sure about this probably simple bio question
insens350 [35]

Answer:

It should be the reptile at the top right of the picture

Explanation:

Some reptiles do not go over India (including the two at the bottom)

3 0
2 years ago
Which does not occur at the continental margin in the pacific ocean?
hammer [34]
Widened margins does not occur at the continental margin
3 0
3 years ago
Read 2 more answers
Ringworm is caused by toxins produced by dermatophytes. mycosis that has invaded the blood stream. dermatophytes growing in the
Nonamiya [84]

Answer: the correct answer is dermatophytes growing in the outer dead tissue layers of the skin (epidermis).

Explanation:

Ringworm isn't a worrm but it is an infection caused by moldlike fungi that live in the dead tissue of your skin, hair or nails.

8 0
2 years ago
Which statement describes streak?
Zepler [3.9K]

Answer:

your answer would be C.Streak is tested by scraping a mineral across a streak plate.

Explanation:

Hope this helps have a great day

7 0
3 years ago
Read 2 more answers
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