Are polar bodies formed from spermatogensis

1 answer:

7 0

No, polar bodies are only formed via by Oogenesis (female version of meiosis), polar bodies are formed since the human body cannot withstand 4 babies at once.

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A student observes 5,000 RFUs in a 200μl aliquot from a G3-500 ml culture. How many total RFUs will be present in a G3-15ml samp

natka813 [3]

Answer:

The maximum no. of RFUs collected in the purification procedure $= 3.05 \times 10^5$ RFUs

Explanation:

No. of RFUs in a 200 ul (0.2ml) aliquot = 5000 RFUs

So, No. of RFUs in G3-500 ml culture $= 5000 \times \frac{500 ml}{0.2 ml}$ RFUs

$= 5000 \times 2500$ RFUs

$= 1.25 \times 10^7$ RFUs

Similarly, No. of RFUs in a G3-15ml sample $= 5000 \times \frac{15 ml}{0.2 ml}$ RFUs

$= 5000 \times 75$ RFUs

$= 3.75 \times 10^5$ RFUs

The maximum no. of RFUs collected in the purification procedure

$= 3.75 \times 10^5 \times 80$ % RFUs

$= 3.75 \times 10^5 \times 0.80$ RFUs

$= 3.05 \times 10^5$ RFUs

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2 years ago

How does the structure of xylem relate to its function

denpristay [2]

Answer:

They lose their end walls so the xylem forms a continuous, hollow tube. They become strengthened by a substance called lignin . Lignin gives strength and support to the plant.

5 0

1 year ago

Crossing over happens during A. Anaphase 1. B. Metaphase 1. C. Any phase in meiosis. D. Prophase 1.

postnew [5]

D. Prophase1 because this has to happen first so the rest of the stages can continue with their own events

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2 years ago

Which of the following is NOT part of modern cell theory?

mote1985 [20]

Answer: the answer is b

Explanation: cells are able to synthesize their entire complement of

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