Biologu Flashcards
1
Q
What is an enzyme
A
Biological catalyst
2
Q
What r enzymes made of
A
Protein
3
Q
What is a catalyst
A
Substance that speeds up chemical reactions
4
Q
Why might an enzyme be used
A
Digestion
5
Q
Factors that affect enzyme action
A
Temperature and ph
6
Q
Two types of cells
A
Prokaryotic and eukaryotic
7
Q
Example of eukaryotic cell
A
Animal and plant cell
8
Q
Example of Prokaryotic
A
Bacteria
9
Q
Protein test
A
Biuret test
Colour change from blue to purple
10
Q
Test for starch
A
Iodine test
Colour change from orange to black
11
Q
Tissue definition
A
Group of cells with similar structure and function
12
Q
Gene definition
A
Section of DNA codes for a specific protein
13
Q
Chromosome
A
Molecule of DNA consisting of a group of thousands of genes
14
Q
Genome
A
Collection of chromosomes that define an individual
15
Q
Cell
A
Smallest functional unit of an organism
