Question

Choose the correct answer :
The first microscope was invented around
A) 250
C) 350
B) 300
D) 275
Which of the following is most well known part of a ce
A) Cytoplasm
B) Nucleus
C) Cell membrane
D) Cell wall
After staining, the nucleus in onion peel cells appear a
B) black
C) green spot
D) none
A) blue spot​

Answer 1

Answer:

The first microscope was invented around 300 years ago.

Which of the following is most well known part of a cell is Nucleus.

After staining, the nucleus in onion peel cells appear a black spot.

Answer 2

1st answer is 300.

2nd answer is nucleus.

3rd answer is black apot.