Can you name the different parts of this cell?

What task do the different parts perform? What kind of cell is it?

What differences can you name?Why is this cell different from the first one?

Complete the sentences with the correct preposition: by (x2) up out inside from (x2) in (x2) between

• Living things are organisms that have the ability to carry ……. the 7 life processes

• They are made ………… of cells. • All cells come ………… pre-existing cells. • In 1665 the cell was discovered ……….. Robert Hook in a thin slice of

cork. • Some cells are enclosed ………….. a cell wall.• The cell membrane regulates interactions ……………. the cell and the

environment.• Cells are filled with a gelatinlike substance called cytoplasm that

constantly flows ………………. the cell membrane.• The nucleus directs all cell activities and is separated ………….. the

cytoplasm ………………. a membrane. • In plant cells, food is made ……………. green organelles in the

cytoplasm called chloroplasts.

out

upfrom

by

inbetween

insidefrom

byin

Complete the sentences with the correct preposition: into (x2) down (x2) on around from out to

• Mitochondria (sing, mitochondrion) are organelles where energy is

released from breaking ………… food ……… carbon dioxide and water.

• Cells make their own proteins …….. small structures called ribosomes.

• The endoplasmic reticulum extends …………. the nucleus ………. the

cell membrane. It is a series of folded membranes in which materials

can be processed and moved …………… inside of the cell.

• The Golgi complex sorts proteins and other cellular substances and

packages them …………. membrane-bound structures called vesicles.

• Organelles called lysosomes contain digestive chemicals that help break

…………… food molecules, cell wastes, and worn-……….. cell parts.

down intoon

from to

around

into

down out

regulateschloroplastssorts

organismsinteractionsflows

processessubstancespackages

Classify these words from the sentences according to how –(e)s is pronounced.organisms processes sorts regulates flows interactions substances chloroplasts packages

processedreleased

discoveredfilledmoved

separatedfolded

Classify these words from the sentences according to how –ed is pronounced.separated discovered folded filled processed moved released