Abeka Grade 10 Biology Quiz 33

Front 1

The size of an organism is primarily determined by the ____of its cells.

Back 1

number

Front 2

The _____ endoplasmic reticulum is located close to the nucleus and aids in protein manufacture.

Back 2

rough

Front 3

The protein factories of the cell are called ____.

Back 3

ribosomes

Front 4

Before the mid-20th century, cells were thought to be composed of an amorphous gel or slime called ____.

Back 4

protoplasm

Front 5

The principle stating that all living things are composed of cells and cell products and that all cells come from preexisting cells is the ____.

Back 5

cell theory

Front 6

The "little organs" or a cytoplasm are called ____.

Back 6

organelles

Front 7

Which of the following is NOT one of the four main elements that contain cells?

(carbon, nitrogen, oxygen, phosphorus)

Back 7

phosphorus

Front 8

What hollow, rodlike structures are the main components of the cytoskeleton?

Back 8

microtubules

Front 9

What protein produces ATP from the flow of hydrogen ions?

Back 9

ATP synthase

Front 10

What scientist first observed cells in cork through a microscope?

Back 10

Robert Hooke