Nuanced Meanings
The speaker’s tone during the debate was confident and direct.
A. melody
B. attitude
C. volume
D. voice
B. attitude
1. Which structure carries genetic information in cells?
A. Protein
B. Lipid
C. DNA
D. Carbohydrate
C. DNA
The word “transport” comes from the Latin root “port,” meaning “to carry.” Based on this root, what
does the word “portable” most likely mean?
A) Difficult to move
B) Able to be carried
C) Something large and heavy
D) Related to transportation
b. able to be carried
Which macromolecule is responsible for storing genetic information?
A. Protein
B. Lipid
C. Carbohydrate
D. Nucleic acid
The scientist’s hypothesis was supported by years of careful research.
A. experiment
B. summary
C. theory
D. discovery
c. theory
2. What is the role of mRNA in protein synthesis?
A. Stores energy
B. Carries genetic code from DNA to ribosome
C. Breaks down proteins
D. Forms cell membrane
B. Carries genetic code from DNA to ribosome
The prefix “bio-” means “life.” Which of the following words relates to the study of life?
A) Biography
B) Biodegradable
C) Biology
D) Biometrics
c. Biology
Enzymes are a type of which macromolecule?
A. Lipids
B. Proteins
C. Carbohydrates
D. Nucleic acids
The author used vivid language to convey a sense of urgency.
A. communicate
B. hide
C. limit
D. repeat
a. communicate
3. Which base pairs with adenine in RNA?
A. Thymine
B. Cytosine
C. Guanine
D. Uracil
D. Uracil
The word “reconstruct” contains the prefix “re-” and the root “struct.” What does the prefix “re-”
suggest about the meaning of the word?
A) To build again
B) To destroy completely
C) To organize something new
D) To break into smaller pieces
a. to build again
Which macromolecule is the main component of cell membranes?
A. Proteins
B. Carbohydrates
C. Lipids
D. Nucleic acids
The team’s performance deteriorated after losing several key players.
A. improved
B. paused
C. remained
D. declined
d. declined
4. Where does transcription take place in the cell?
A. Ribosome
B. Cytoplasm
C. Nucleus
D. Cell membrane
C. Nucleus
The Latin root “scrib” or “script” means “to write.” Which word below is related to this meaning?
A) Inscription
B) Prescription
C) Manuscript
D) All of the above
a. inscription
What is the primary source of energy in most ecosystems?
A. Water
B. Soil
C. Sun
D. Air
C. Sun
The historian sought to verify the accuracy of the newly found documents.
A. question
B. challenge
C. confirm
D. revise
c. confirem
Which macromolecule provides quick energy for cells?
A. Lipids
B. Proteins
C. Carbohydrates
D. Nucleic acids
C. Carbohydrates
The word “photograph” contains the Greek root “photo-,” meaning “light.” What does the word
“photograph” most likely mean?
A) A picture drawn by hand
B) A machine that produces energy
C) An image created using light
D) A written document
c. an image created using light
Which organism is a producer?
A. Lion
B. Mushroom
C. Grass
D. Human