key concepts in biology Flashcards
1
Q
What part of a cell controls what enters and exits?
A
Cell membrane
2
Q
What process involves the movement of water across a membrane?
A
Osmosis
3
Q
Which statement about amylase enzymes is not true?
A They can break down and join together substrates
B The become denatured at extremes of pH
C They are used up in a reaction
D They work best around pH 7
A
C They are used up in a reaction
4
Q
Which type of cells is prokaryotic? A Plant B Animal C Fungal D Bacterial
A
D Bacterial
