Cell

Where in the cell are proteins synthesised?

• mitochondria

• cell membrane

• ribosome

• cell wall

Where do the majority of metabolic reactions take place?

• cell membrane

• cytoplasm

• nucleus

• chloroplast

How do you calculate the magnification of a magnified object?

• Image size x actua lsize

• Image size / actual size

• Actual size x image size

• Actual size / image size

The thick rigid layer that surrounds plant cells and provides support and structure is called the…

• cell wall

• cell membrane

• cytoplasm

• nucleus

Which one of the following best describes the function of a cell membrane?

• It keeps the cell in shape.

• It controls the substances entering and leaving the cell.

• It controls the substances entering the cell.

• It supports the cell structures.

Chromosomes are found in ___________________of cells.

• the cytoplasm

• the cell membrane

• the chloroplast

• the nucleus

Saclike structures that store materials such as water, salts, proteins, and carbohydrates.

• nucleus

• vacuoles

• cell membrane

• ribosome

The cell membrane is selectively permeable. What does "selectively permeable" mean?

• Anything can enter.

• Nothing can enter.

• Some things can enter, while other things can't enter.

Prokaryotic cells , such as bacteria, have all of the following parts EXCEPT:

• cell membrane

• DNA

• Ribosomes

• mitochondria

Basic functional & structural units in a living organism

• cell

• tissue

• organ

• organ system