bio end of year

Question 1

Nerve Cell Adaptation

Answer 1

long and thin, with many connections to other nerve cells.

Question 2

Sperm Cell Adaptation

Answer 2

long tail to move through liquid and many mitochondria to release energy

Question 3

Egg Cell

Answer 3

large fat store in cytoplasm to provide energy for the fertilsed egg when it divides, half number of chromosomes

Question 4

Red Blood Cell Adaptation

Answer 4

no nucleus and a special disc shape increase surface area available to carry oxygen

Question 5

Palisade Leaf Cell Adaptation

Answer 5

lots of chloroplasts, chloroplasts contains chlorophyll

Question 6

Root Hair Cell Adaptation

Answer 6

shape of root hair cell gives a large surface area for absorption, many mitochondria

Question 7

Muscle Cell Adaptation

Answer 7

long , many mitochondria, can contract

Question 8

Specialised cells

Answer 8

Specialised Cells are cells that have a special job to do in an organism and they have a structure that allows them to do the job more efficiently.

Question 9

Nerve cells function

Answer 9

Nerve cells make up the brain and they also send information from your brain to other parts of the body, through long fibres that extend from your cells, called axons.

Question 10

axon function

Answer 10

Axons carry information through electrical signals, that are sent by your brain.

Question 11

Red blood cells

Answer 11

Red blood cells are pumped around by the heart and carry oxygen from the lungs to cells.

Question 12

White blood cells

Answer 12

• White Blood cells are apart off the immune system and they help fight infections in the body.
• There are many more red blood cells than white blood cells.

Question 13

what does proteins do to your body?

Answer 13

This helps your body grow and repair.