Q2.
The diagram shows a human sperm cell.
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Q2.
The diagram shows a human sperm cell.
middle piece
nucleus
tail
head
(a) How many chromosomes are there in the nucleus?
(b) A sample of semen contains 40 million sperm cells. Only sixty percent of these
sperm cells are capable of swimming.
Calculate how many sperm cells in this semen sample are capable of swimming.
Show your working.
(2
Answers: 1
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The reactions shown here can be combined to make the overall reaction c(s) + h2o(g) ⇌ co(g) + h2(g) by reversing some and/or dividing all the coefficients by a number. a. c(s) + o2(g) → co2(g) k=1.363×10^69 b. 2 h2(g) + o2(g) → 2 h2o(g) k=1.389×10^80 c. 2co(g) + o2 (g) → 2 co2(g) k=1.477×10^90
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Q2.
The diagram shows a human sperm cell.
Q2.
The diagram shows a human sperm cell.
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