Test

Question 1

Cell

Answer 1

A mass of cytoplasm that is externally bound by a cell membrane.

Question 2

Animalcule

Answer 2

A organism that is invisible or nearly invisible to the naked eye.

Question 3

Prokaryote

Answer 3

Any cell that lacks a distinct nucleus and other organelles due to the absence of internal membranes

Question 4

Eukaryote:

Answer 4

Any cell or organism that possesses a clearly defined nucleus.

Question 5

Cell Wall

Answer 5

A structural layer that surrounds some cell types, found immediately outside the cell membrane.

Question 6

Chromatin

Answer 6

A highly organized condensed structure made up of DNA and Proteins that forms the chromosomes in the nucleus of the cell

Question 7

Chromosomes

Answer 7

A threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.

Question 8

Nucleolus

Answer 8

An area inside the nucleus of a cell that is made up of RNA and proteins and is where ribosomes are made.

Question 9

Nuclear Envelope

Answer 9

A double layer that encloses the cell’s nucleus, where the chromosomes reside.

Question 10

Porous

Answer 10

Holes allowing the passage of gases and/or liquids by diffusion rather then bulk flow.

Question 11

Cytoskeleton

Answer 11

A structure that helps cells maintain their shape and internal organization

Question 12

Microtubules

Answer 12

Hollow tube-like structure found in the cytoplasm

Question 13

Microfilaments

Answer 13

Part of the cytoskeleton made from actin proteins.

Question 14

Intermediate filaments

Answer 14

A type of cytoskeletal component found in eukaryotic cells

Question 15

Cilia

Answer 15

Hair-like structures present on the surface of all mammalian cells.

Question 16

Ribosome

Answer 16

A small organelle involved in the process of making protein

Question 17

Mitochondria

Answer 17

Generate most of the chemical energy needed to power the cell’s biochemical reactions.

Question 18

Vacuole

Answer 18

Stores nutrients and water on which a cell can rely for its survival

Question 19

Vesicle

Answer 19

A small sac formed by a membrane and filled with liquid

Question 20

Chloroplast

Answer 20

Where photosynthesis takes place in a plant

Question 21

Flagella

Answer 21

microscopic hair-like structures involved in the locomotion of a cell

Question 22

Endoplasmic Reticulum

Answer 22

a network of membranes inside a cell through which proteins and other molecules move.

Question 23

Golgi Apparatus

Answer 23

A stack of small flat sacs formed by membranes inside the cell’s cytoplasm

Question 24

Lysosomes

Answer 24

A membrane-bound cell organelle that contains digestive enzymes

Question 25

Lytic Enzymes

Answer 25

Able to hydrolyze the peptidoglycan responsible for the rigidity of the bacterial cell wall