SB1d: Inside Bacteria Keywords

Question 1

Chromosomal DNA

Answer 1

DNA found in chromosomes but the term is often used to describe the large loop of DNA found in bacteria.

Question 2

DNA

Answer 2

A substance that contains genetic information. Short for deoxyribonucleic acid.

Question 3

Flagellum

Answer 3

A tail-like structure that rotates, allowing a unicellular organism to move. Plural is flagella.

Question 4

Index

Answer 4

A small raised number after a unit or another number to show you how many times to multiply it by itself. For example, 103 means multiply 10 together 3 times
(10 × 10 × 10).

Question 5

Plasmid

Answer 5

A small loop of DNA found in the cytoplasm of bacteria.

Question 6

Plasmid DNA

Answer 6

DNA found in plasmids.

Question 7

Prokaryotic

Answer 7

A cell with no nucleus is prokaryotic. Organisms such as bacteria, which have cells like this, are also said to be prokaryotic.

Question 8

Standard form

Answer 8

A very large or very small number written as a number between 1 and 10 multiplied by a power of 10. Example: A × 10n where A is between 1 and 10 and n is the power of 10.