Cell Theory and Structure Fundamentals

Question 1

Which of the following is NOT a main tenet of modern cell theory?

Accepted Answer

Cells spontaneously generate from non-living matter.

Answer

All living organisms are composed of one or more cells.

Answer

Cells are the basic unit of structure and organization in organisms.

Answer

All cells arise from pre-existing cells.

Question 2

Who was the first scientist to observe and name 'cells' after viewing cork slices through a microscope?

Accepted Answer

Robert Hooke

Answer

Anton van Leeuwenhoek

Answer

Matthias Schleiden

Answer

Theodor Schwann

Question 3

Which of these structures is found in plant cells but not typically in animal cells?

Accepted Answer

Cell wall

Answer

Mitochondria

Answer

Nucleus

Answer

Ribosomes

Question 4

What is the primary function of the mitochondria in both plant and animal cells?

Accepted Answer

Cellular respiration and ATP production

Answer

Photosynthesis

Answer

Protein synthesis

Answer

Waste storage

Question 5

The nucleus of a eukaryotic cell contains which of the following?

Accepted Answer

Genetic material (DNA)

Answer

Chlorophyll

Answer

Digestive enzymes

Answer

Waste products

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