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Question 1

Phylogeny

Answer 1

the proposed evolutionary relationship between organisms.

Question 2

Ionic bonding

Answer 2

two atoms with unequal attraction for valence electrons

Question 3

Cystol

Answer 3

the semifluid substance within the membrane

Question 4

cytoskeleton

Answer 4

networks of fibres in cytoplasm

Question 5

Centriole

Answer 5

Formation of spindle fibres during cell division

Question 6

Microvilli

Answer 6

Projections of the cell membrane

Question 7

Archaea

Answer 7

Domain of unicellular prokaryotes that have cell walls that do not contain peptidoglycan

Question 8

Bacilli

Answer 8

Rod shaped bacteria

Question 9

Vibrio

Answer 9

Spirals

Question 10

DNA

Answer 10

deoxyribonucleic acid, a self-replicating material present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.

Question 11

Molecules

Answer 11

Groups of two or more atoms held together by chemical bonds

Question 12

intramolecular forces

Answer 12

forces within molecules. Forces caused by the attraction and repulsion of charged particles

Question 13

covalent bonds

Answer 13

Share valence electrons

Question 14

Non-polar

Answer 14

Electrons shared equally.

Question 15

Polar

Answer 15

Electrons closer to one atom than the other (not shared equally)

Question 16

Allele

Answer 16

alternative forms of a gene

Question 17

Bacteria

Answer 17

single-celled organisms that lack a nucleus; prokaryotes

Question 18

Cocci

Answer 18

sphere shaped bacteria

Question 19

intermolecular forces

Answer 19

forces of attraction between molecules

Question 20

Genetics

Answer 20

The study of properties of DNA at many levels