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3 years ago

Identify the phases of meiosis I described below.

Biology

2 answers:

Murljashka [212]3 years ago

7 0

Answer:

Anaphase 1

Prophase 1

Telophase 1

Metaphase 1

Explanation:

Answer on edge

Katena32 [7]3 years ago

5 0

Answer:

Prophase, metaphase, anaphase, telophase

Explanation:

I remember these four phases by just making the acronym, "P.M.A.T"

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What is the function of DNA?

Sunny_sXe [5.5K]

Hi , the function of DNA is to give genetic instruction to organic beings.
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5 0

3 years ago

A proton has a speed of 3.0 × 106 m/s in a direction perpendicular to a uniform magnetic field, and the proton moves in a circle

jeyben [28]

Answer:

The magnitude of the magnetic field is 0.156 T.

Explanation:

Given that,

Speed of a proton, $v=3\times 10^6\ m/s$

Radius of the circular path, r = 0.2 m

When the proton enters in the circular path, the centripetal force is balanced by the magnetic force such that :

$\dfrac{mv^2}{r}=qvB\sin\theta$

q is the charge on proton

Here, $\theta=90^{\circ}$

$\dfrac{mv^2}{r}=qvB\\\\B=\dfrac{mv}{qr}\\\\B=\dfrac{1.67\times 10^{-27}\times 3\times 10^6}{1.6\times 10^{-19}\times 0.2}\\\\B=0.156\ T$

So, the magnitude of the magnetic field is 0.156 T. Hence, this is the required solution.

3 0

3 years ago

Select the goals of conservation agriculture.

sasho [114]

Answer:

Explanation:

Sustainable agricultural practices are intended to protect the environment, expand the Earth's natural resource base, and maintain and improve soil fertility. Based on a multi-pronged goal, sustainable agriculture seeks to: Increase profitable farm income. Promote environmental stewardship.

5 0

3 years ago

How has technology changed farming?A.Farms produce less food than they used to.B.Pesticides are no longer used on most farms.C.F

soldi70 [24.7K]

Answer:

i think it would be c

Explanation: farmers use mechanical devices to do many tasks.

5 0

3 years ago

HCl is added to a solution containing barium and calcium ions. If a precipitate is formed, what is it? A. No precipitate is form

Luden [163]

Answer:

A. No precipitate is formed.

Explanation:

Hello,

In this case, considering that both calcium chloride and barium chloride are CaCl₂ and BaCl₂ respectively, due to their high polarity by cause of the ionic bond they have between calcium and chlorine and barium and chlorine we say they are highly soluble in water, therefore, A. No precipitate is formed.

Best regards.

5 0

3 years ago