3.4 Form and function: Cell make-up

Question 1

an organism that has only one cell

Answer 1

unicellular

Question 2

an organism that has multiple cells

Answer 2

multi-cellular

Question 3

the length of 1,000,000th of a meter (µm)

Answer 3

micrometre

Question 4

the length of 1,000,000,000 of a meter (nm)

Answer 4

nano-metre

Question 5

a field at which you study things at a “nano level”

Answer 5

nanotechnology

Question 6

an organism that belongs to the Prokaryotae kingdom also known as Monera

Answer 6

Prokaryotes

Question 7

a member of a group of organisms that have a membrane around the nucleus

Answer 7

Eukaryote

Question 8

a structure that encloses the contents of the and only lets some things in and out

Answer 8

cell membrane

Question 9

the fluid inside of the cells

Answer 9

cytosol

Question 10

small structures that some proteins are made

Answer 10

ribosomes

Question 11

A jelly-like material inside a cell. It contains many organelles such as the nucleus and vacuoles.

Answer 11

cytoplasm

Question 12

the chemical reactions occurring within an organism that enable the organism to use energy and grow and repair cells

Answer 12

metabolism

Question 13

reproduction by the division of an organism (usually a single cell) into two new organisms

Answer 13

binary fission

Question 14

organelles that supply energy to the other cells

Answer 14

mitochondria

Question 15

oval-shaped organelle found only in plant cells and contain the pigment chlorophyll.

Answer 15

chloroplasts

Question 16

the chemical reaction involving oxygen that moves the energy in glucose

Answer 16

cellular respiration

Question 17

the process of plants turning CO2, water and energy from the sun into food

Answer 17

photosynthesis

Question 18

a chemical that absorbs light

Answer 18

chlorophyll