1. cells

Question 1

function of cell membrane

Answer 1

control movement of substances into and out of the cell

Question 2

function of cytoplasm

Answer 2

where all chemical reactions occur

Question 3

function of nucleus

Answer 3

contains genetic information and controls cell activities

Question 4

function of mitochondria

Answer 4

where aerobic respiration occurs

Question 5

function of ribosomes

Answer 5

protein synthesis

Question 6

function of cell wall

Answer 6

gives cell rigidity and structure and prevents from absorbing too much water

Question 7

function of vacuole

Answer 7

provides cell with turgidity

Question 8

function of chloroplasts

Answer 8

absorb sunlight for photosynthesis

Question 9

function of circular DNA (in bacterial cell)

Answer 9

control cell division, growth and activities

Question 10

function of plasmids (in bacterial cell)

Answer 10

aid process of reproduction and survival of cell

Question 11

how are red blood cells specialized to their function

Answer 11

bi concave shape - increase surface area for diffusion of oxygen
no nucleus - to squeeze through tiny capillaries

Question 12

how are root hair cells specialized to their function

Answer 12

long and narrow - increase surface area for absorption of minerals
large central vacuole

Question 13

describe the term ‘cell’

Answer 13

smallest unit of living organisms

Question 14

describe the term ‘tissue’

Answer 14

group of cells having same structure that work together to perform specific function

Question 15

describe the term ‘organ’

Answer 15

several types of tissues working together to perform particular set of functions

Question 16

describe the term ‘organ system’

Answer 16

several organs working together to perform particular set of functions

Question 17

describe the term ‘organism’

Answer 17

group of organ system working together to keep it alive