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3 years ago

What occurs during mitosis? Choose the correct answer.

2 answers:

8 0

<span>the chromosomes, which have already duplicated, condense and attach to spindle fibers that pull one copy of each chromosome to opposite sides of the cell. The result is two genetically identical daughter nuclei.</span>

IRISSAK [1]3 years ago

3 0

cell division to create two daughter cells

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The trait for flower color in a plant has red and white alleles. The red color is the dominant trait. What is the phenotypic rat

Fudgin [204]

Answer :

2 red : 2 white

Explanation:

;)long story short

hetro with hetro gives 3:1
hetro with recessive gives 1:1

Hetro :- ( Rr) one capital letter and one small
Recessive :- (rr) two small leters

6 0

3 years ago

Which one of the following represents the number of units of each substance

netineya [11]

Answer:B

Explanation:Coefficient represents the number of units of each substance.

4 0

2 years ago

A frying pan needs a Teflon coating of 1.00 mm in thickness to cover an area of 36.0 square inches. How many ounces of Teflon ar

Otrada [13]

Answer:

m = 0.659 ounce

Explanation:

It is given that,

The thickness of a Teflon coating is, d = 1 mm

Area of the coating, A = 36 inch²

The density of Teflon, d = 0.805 g/mL

We need to find ounces of Teflon are needed.

Firstly, find the volume of the Teflon needed,

1 inch² = 6.4516 cm²

36 inch² = 232.258 cm²

Density,

$\rho=\dfrac{m}{V}$

V is volume of the Teflon needed, V = Ad

So,

$m=\rho V\\\\m=0.805\ g/cm^3\times 232.258\ cm^2 \times 0.1\ cm\\\\m=18.69\ g$

Also, 1 gram = 0.035274 ounce

18.69 gram = 0.659 ounce

So, 0.659 ounces of Teflon are needed.

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3 years ago

Why is seawater a better conductor of electricity than freshwater?

GenaCL600 [577]

Answer:

please refer to the attachment above;)

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3 years ago

Read 2 more answers

What observation did Rutherford make from his gold-foil experiment which

JulsSmile [24]

Answer:

A piece of gold foil was hit with alpha particles, which have a positive charge. Most alpha particles went right through. This showed that the gold atoms were mostly empty space. Some particles had their paths bent at large angles. A few even bounced backward. The only way this would happen was if the atom had a small, heavy region of positive charge inside it.

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2 years ago