Cells Chapter 1

Question 1

cell

Answer 1

in biology, the smallest unit that can preform all life processes; cells are covered by a membrane and have DNA and cytoplasm.

Question 2

cell membrane

Answer 2

a phospholipid layer that covers a cell’s surface; acts as a barrier between the inside of a cell and the cell’s environment.

Question 3

organelle

Answer 3

one of the small bodies in a cell’s cytoplasm that are specialized to preform a specific function.

Question 4

nucleus

Answer 4

in a Eukaryota cell, a membrane-bound organelle that contains the cell’s DNA and that has a role in processes such as growth, metabolism, and reproduction.

Question 5

cell wall

Answer 5

a rigid structure that surrounds the cell membrane and provides support to the cell.

Question 6

ribosome

Answer 6

cell organelle composed of RNA and protein; the site of protein synthesis.

Question 7

endoplasmic reticulum

Answer 7

a system of membranes that is found in a cells cytoplasm and that assist in the production, processing, and transport of proteins and the production of lipids.

Question 8

mitochondrion

Answer 8

in Eukaryotic cells, the cell organelle this is surrounded by two membranes and that is the site of cellular respiration.

Question 9

golgi complex

Answer 9

cell organelle that helps make and package materials to be transported out of the cell.

Question 10

vesicle

Answer 10

a small cavity or sac that contains materials in a eukaryotic cell.

Question 11

Iysosome

Answer 11

a cell organelle that contains digestive enzymes.