cells

Question 1

cell

Answer 1

the smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane.

Question 2

Nucleus

Answer 2

the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.

Question 3

cytoplasm

Answer 3

the material or protoplasm within a living cell, excluding the nucleus

Question 4

Cell membrane

Answer 4

the semipermeable membrane surrounding the cytoplasm of a cell

Question 5

Cell wall

Answer 5

a rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants, fungi, and bacteria

Question 6

Mitochondria / Mitochondrion

Answer 6

The mitochondrion is a double-membrane-bound organelle found in most eukaryotic organisms.

Question 7

Chloroplast

Answer 7

a plastid that contains chlorophyll and in which photosynthesis takes place.

Question 8

Golgi complex

Answer 8

A major organelle in most eukaryotic cells is the structure of membrane-bound sacs called the Golgi apparatus

Question 9

Endoplasmic reticulum

Answer 9

a network of membranous tubules within the cytoplasm of a eukaryotic cell, continuous with the nuclear membrane

Question 10

Ribosome

Answer 10

a minute particle consisting of RNA and associated proteins, found in large numbers in the cytoplasm of living cells.

Question 11

Lysosome

Answer 11

an organelle in the cytoplasm of eukaryotic cells containing degradative enzymes enclosed in a membrane

Question 12

Vacuole

Answer 12

a space or vesicle within the cytoplasm of a cell, enclosed by a membrane and typically containing fluid

Question 13

Organelle

Answer 13

any of a number of organized or specialized structures within a living cell

Question 14

Prokaryote

Answer 14

a microscopic single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles. Prokaryotes include the bacteria and cyanobacteria

Question 15

Eukaryote

Answer 15

an organism consisting of a cell or cells in which the genetic material is DNA in the form of chromosomes contained within a distinct nucleus

Question 16

Tissue

Answer 16

any of the distinct types of material of which animals or plants are made, consisting of specialized cells and their products

Question 17

Organ

Answer 17

a part of an organism that is typically self-contained and has a specific vital function, such as the heart or liver in humans

Question 18

Organ system

Answer 18

The 11 organ systems of the body are the integumentary, muscular, skeletal, nervous, circulatory, lymphatic, respiratory, endocrine, urinary/excretory, reproductive and digestive

Question 19

Organism

Answer 19

an individual animal, plant, or single-celled life form

Question 20

Structure

Answer 20

the arrangement of and relations between the parts or elements of something complex