biology revision britsh grade 7

what are the building blocks of life

• stone

• obsidian

• orgenells

• cells

what does the mitochondria do

• eats food

• orders energy

• give energy to the cell

• give energy to ñøŧĥîɲğ

where can we find the chloroplast and what does it do

• in the bottom of the plant

• helps the plant by making it green and giving food and opening a restaurant

• on the leaf

• makes the plant get a disease

• makes the plant green and gives food

the microscope has a fine focusing knob, eyepiece lense,stage,objective lense what is missing

• coarse focusing knob

• clips to hold the object in place

• microscope

• coarse focusing knob and clips to hold the object in place

red blood cell has no nucleus to get

• children

• married

• more hemoglobin and oxygen

• energy

• prime and hemoglobin

root hair cell how is it adapted to its function

• microscopic hairs

• they are outside of the root

• have chloroplast and large vacule

• have large vacule

• cell wall

what is the primary function of red blood cells

• transport carbon dioxide

• fight infections

• regulate body temperature

• transport oxygen

which organelle is known as the powerhouse of the cell

• golgi apparatus

• mitochondria

• ribosome

• nucleus

what is the function of the cell membrane

• to produce proteins

• to store genetic information

• to control what enters and exits the cell

• to provide energy

what is a unique feature of xylem cells in plants

• they provide structural support

• they transport water

• they store energy

• they transport nutrients