m down. . TEST YOURSELF Fill in the blanks. (a) A cell is the basic unit of (b) The outer covering of a plant cell is called (c) The jelly-like fluid found between the plasma membrane nucleus is called d) are fluid-filled spaces. e) Plastids are absent in cells. Lysosomes are found in cells only. en Graded Science and Environment Book 7

A cell is the basic unit of life.

The outer covering of a plant cell is called cell wall.

The jelly-like fluid found between the plasma membrane nucleus is called cytoplasm.

Interstitium are fluid-filled spaces.

Plastids are absent in animal cells and higher eukaryotic cells.

Lysosomes are found in nearly all types of eukaryotic cells only.

Explanation:

Hope it helps

a) Life

b) Cell wall

c) Cytoplasma

d)Vacuole

e)animal

f) Eukaryotic ?

the present continuous is a verb tense which is mainly used to indicates that an action is in progress at the moment of speaking.  

it is formed using: person + verb to be (am/is/are) +verb + - ing form  

example: i am studying at this moment .

in addition, the present continuous is also used in order to express things that will or will not happen in the near future.

example: i am having dinner with some friends tonight.

the speaker sometimes   uses it   to express that an action is repeated and it causes irritation on the part of the speaker

example: my sister is constantly complaining about everything.

can you take a picture of the passage