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- 1. Multiple Choice
Which organelle controls the actitivies of the cell and contains DNA?
Cell Membrane
Cytoplasm
Nucleus
Mitochondria
- 2. Multiple Choice
What is the role of a ribosome?
Link amino acids together
Bind messenger RNA
Synthesize polypeptides and proteins
Make other ribosomes
- 3. Multiple Choice
Which organelle is where aerobic respiration occurs?
Mitochondria
Chloroplast
Cytoplasm
Ribosome
- 4. Multiple Choice
Which organelle is where protein synthesis happens?
Chloroplast
Mitochondria
Ribosome
Nucleus
- 5. Multiple Choicewhat do genes code for?FatsproteinsglucoseOxygen
- 6. Multiple Choice
An enzyme from the stomach that digests protein, and cooked egg white that contains protein, are placed in four test-tubes.
When the egg white is digested the mixture becomes clear.
Which tube becomes clear first?
A
B
C
D
- 7. Multiple Choice
Which statement is false about eukaryotic cells?
They can have mitochondria, chloroplasts and vacuoles.
They have a nucleus
They are much smaller than prokaryotic cells.
Animal and plant cells are examples of eukaryotic cells.
- 8. Multiple Choice
Plants are unicellular. This means they are made of more than one cell.
true
false
- 9. Multiple Choice
Which elements do carbohydrates contain?
carbon, hydrogen and oxygen
carbon, hydrogen and sulfur
carbon, nitrogen and oxygen
carbon, nitrogen and sulfur
- 10. Multiple Choice
The graph shows how the rate of an enzyme-controlled reaction changes with temperature. What is happening within the temperature range marked X?
The enzyme is becoming denatured.
The enzyme is becoming denatured.
The reaction is occurring at body temperature.
The reaction is occurring at the optimum temperature.
- 11. Multiple Choice
If an image is blurry under a microscope, how do you make it clearer?
Change the objective lens to a higher magnification.
Turn on the light or adjust the mirror.
Turn the focusing wheel until the image is focused.
Use a different eyepiece lens.
- 12. Multiple Choice
Which of the these substances are needed by plants during photosynthesis?
oxygen
carbon dioxide
hydrogen
water
sunlight
- 13. Multiple Choice
What are the levels of living organisms from smallest to largest?
Tissue - Organ Systems - Cells - Organs - Organism
Cells - Tissue - Organs - Organ Systems - Organisms
Organs - Organ Systems - Organisms - Cells - Tissue
Cells - Tissue - Organisms - Organ Systems - Organs
- 14. Multiple Choice
Which part of a cell are present in a plant cell, but not an animal cell?
cytoplasm
cell wall
chloroplasts
cell membrane
vacuole
- 15. Multiple Choice
What parts does a DNA nucleotide contain?
base and sugar
phosphate, deoxyribose, base
phosphate, ribose, base
Phosphate, deoxyribose, acid
- 16. Multiple Choice
What are the complementary base pairs in DNA?
A & T, C & G
A & C, T & G
A & U, C & G
A & G, C & T
- 17. Multiple Choice
What is the name given to a set of 3 bases on mRNA?
trio
codon
anticodon
- 18. Multiple Choice
What is the name of the process that copies DNA into mRNA?
Translation
Transcription
Translocation
Replication
- 19. Multiple Choice
What happens to enzymes when you heat them too much?
They die
They work better
They change shape
- 20. Multiple Choice
Where does aerobic respiration occur?
Chloroplast
mitochondrion
nucleus
cytoplasm
- 21. Multiple Choice
Check the correct boxes
Aerobic respiration produces more ATP than anaerobic respiration
Anaerobic respiration does need a little bit of oxygen
Both types of respiration always produce carbondioxide
another name for anaerobic respiration is fermentation
- 22. Multiple Choice
A lamp at 50 cm of a plant has a relative light intensity of 2. What would the relative light intensity be if you move the lamp to 1 meter from the plant?
4
0.5
2
1
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