WorksheetsMid term
Total questions: 20
Worksheet time: 11mins
What type of enzymes break down carbohydrates?
what does an enzyme do?
Slow down the reaction
Double itself and the reaction
Speed up the reaction
combine itself with another
what phase is this
Anaphase
Telophase
Metaphase
Prophase
how many phases of mitosis
1
4
2
3
select the correct answer
prophase, metaphase, anaphase, telophase
anaphase, prophase, metaphase, telophase
telophase,metaphase,prophase,anaphase
metaphase, anaphase, prophase, telophase
humans have __ cells
57
32
25
46
when meiosis is done how many
Two gametes
Four gametes
Two identical cells
Four identical cells
what is it called when a sperm and a egg meet
meiosis
fertilization
cell division
mitosis
___________ strengthens and stabilizes the cell membrane.
Carbohydrates
Proteins
Phospholipids
Cholesterol
. ___________ form the two layers of the cell membrane.
Carbohydrates
Proteins
Phospholipids
Cholesterol
A phospholipid has 2 parts. What are they called?
Hydrophilic Head
Hydrophobic Tail
Hydrophobic Head
Hydrophilic Tail
what is osmosis
Diffusion of water through a selectively permeable membrane
Molecular structure that surrounds the cell and controls what enters and leaves the cell
Movement of molecules across the cell membrane against the concentration gradient
Movement of molecules across the cell membrane from an area of high concentration to low concentration
Active transport?
Movement of molecules across the cell membrane against the concentration gradient
Diffusion of water through a selectively permeable membrane
Molecular structure that surrounds the cell and controls what enters and leaves the cell
Movement of molecules across the cell membrane from an area of high concentration to low concentration
Osmosis is a form of ______________.
active transport
passive transport
Cell membrane transport that occurs without energy is called
active transport
endocytosis
passive transport
exocytosis
Animal cells have chloroplasts for photosynthesis
True
false
ATP has how many phosphate groups?
1
2
3
4
what are reactants in cell respiration?
water, carbon dioxide
oxygen, sugar
What is the energy that is produced in cell respiration?
ADP
sugar
ATP
ADP has _____ phosphate groups in it
1
2
3
4
