Penn Foster Biology Test 1 Questions and Answers 100% Pass
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Course
Penn Foster Biology
Institution
Penn Foster Biology
Penn Foster Biology Test 1 Questions
and Answers 100% Pass
What is the term for the process where cells use oxygen to produce energy from nutrients?
Aerobic respiration
What type of bond holds the two strands of a DNA molecule together?
Hydrogen bonds
Which part of the cell is respo...
Penn Foster Biology Test 1 Questions
and Answers 100% Pass
What is the term for the process where cells use oxygen to produce energy from nutrients?
✔✔ Aerobic respiration
What type of bond holds the two strands of a DNA molecule together?
✔✔ Hydrogen bonds
Which part of the cell is responsible for maintaining homeostasis by regulating the internal
environment?
✔✔ Cell membrane
What is the role of transfer RNA (tRNA) in protein synthesis?
✔✔ To bring amino acids to the ribosome for protein assembly
Which phase of the cell cycle involves the actual division of the cell’s cytoplasm?
✔✔ Cytokinesis
1
, What is the term for the chemical reactions that build molecules in cells?
✔✔ Anabolism
What is the function of the nucleolus within the nucleus?
✔✔ To synthesize ribosomal RNA (rRNA) and assemble ribosomes
Which organelle is primarily responsible for modifying proteins after they are synthesized?
✔✔ Golgi apparatus
What structure within the cell is involved in cellular digestion and recycling of materials?
✔✔ Lysosome
What is the role of chlorophyll in plant cells?
✔✔ To capture light energy for photosynthesis
What is the term for the sequence of events that cells undergo as they grow and divide?
✔✔ Cell cycle
2
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