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BIOLOGY CELLS AND BIOCHEMISTRY > SPECIALISED CELLS > Flashcards

SPECIALISED CELLS Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

3 main sections of sperm cell

A

Head
Mid (connecting) piece
Tail

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2
Q

3 structures/organelles in head section of sperm cell

A

Acrosome
Nucleus
Plasma membrane

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3
Q

what important substance do acrosomes contain?

A

digestive HYDROLYTIC enzymes to break down the ZONA PELLUCIDA (ovum)

vital to fertilisation

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4
Q

2 important structures in mid piece of sperm cell

A

Centriole

mitocondria

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5
Q

centriole function

A

help form spindle fibres during cell division

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6
Q

flagellum structure

A

consists of microtubule rings and dynein arms which move over each other in a wave like fashion

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7
Q

why is the mitochondrial sheath important to the sperm cell

A

as mitochondria release energy in the form of ATP

sperm need lots of ATP in order to rapidly whip their tail, as well as breakdown and fertilise an ovum

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8
Q

what is a Haploid Nucleus?

A

half the genetic material of a Eukaryotic organism

contains 23 chromosomes

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BIOLOGY CELLS AND BIOCHEMISTRY (11 decks)

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