Cellular Basis of Life 2 Flashcards

1
Q

Where are the enzymes located in a sperm cell?

A

At the front.

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2
Q

What do enzymes help a sperm cell do?

A

It helps it find and penetrate the ovum.

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3
Q

Does a sperm cell have a nucleus?

A

Yes

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4
Q

Why does a sperm cell have a nucleus?

A

So it can combine half its DNA with the DNA in the ovum.

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5
Q

What is a boy’s hormone during puberty called?

A

Testosterone

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6
Q

What is a girl’s hormone during puberty called?

A

Oestrogen

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7
Q

Is the reproductive system functional before puberty?

A

No

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8
Q

Are mood swings a result of puberty?

A

Yes

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9
Q

Which gender’s voice deepens as a result of puberty?

A

Boys

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10
Q

What is the average length of the menstrual cycle?

A

28 Days

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11
Q

What happens at the end of the menstrual cycle if the ovum isn’t impregnated?

A

Period

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12
Q

Where does the ova develop/grow?

A

Ovary

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13
Q

What tube do sperm leave the body through?

A

Urethra

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14
Q

What is semen?

A

Sperm + Fluid

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15
Q

What is the purpose of the scrotum and hoes it achieve this?

A

It keeps the testicles cool by holding them outside the body.

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16
Q

What is another word for the womb?

A

Uterus

17
Q

What is the plural of ovum?

A

Ova

18
Q

What does the uterus do in preparation of receiving a fertilised egg?

A

It thickens.

19
Q

Where does the sperm meet the ovum?

A

Fallopian Tube