Biology 104 Exam 1 Questions and
Answers 100% Pass
What is the fluid component of the cell called?
✔✔ Cytoplasm.
What is the process by which cells take in nutrients from outside the cell by engulfing them?
✔✔ Endocytosis.
What is the role of chlorophyll in photosynthesis?
✔✔ Chlorophyll absorbs light energy.
What is the function of the cell membrane?
✔✔ It controls the movement of substances in and out of the cell.
What is the semi-permeable structure surrounding the nucleus called?
✔✔ Nuclear envelope.
1
,What is the function of lysosomes in the cell?
✔✔ Lysosomes break down waste materials and cellular debris.
What part of the cell is responsible for packaging and distributing proteins?
✔✔ Golgi apparatus.
What is the process of creating new DNA from an existing strand called?
✔✔ DNA replication.
What is the powerhouse of plant cells responsible for photosynthesis?
✔✔ Chloroplasts.
What is the term for the cell's ability to maintain a stable internal environment?
✔✔ Homeostasis.
What is the phase in the cell cycle where DNA is replicated?
✔✔ S phase.
2
, What molecule is produced during cellular respiration as the main source of energy for the cell?
✔✔ ATP (adenosine triphosphate).
What structure connects the cytoplasm of adjacent plant cells?
✔✔ Plasmodesmata.
What is the process by which organisms maintain their internal water balance?
✔✔ Osmoregulation.
What organelle is responsible for detoxifying chemicals and producing lipids?
✔✔ Smooth endoplasmic reticulum.
What is the process of programmed cell death called?
✔✔ Apoptosis.
What is the pigment in red blood cells that binds to oxygen?
✔✔ Hemoglobin.
3
Answers 100% Pass
What is the fluid component of the cell called?
✔✔ Cytoplasm.
What is the process by which cells take in nutrients from outside the cell by engulfing them?
✔✔ Endocytosis.
What is the role of chlorophyll in photosynthesis?
✔✔ Chlorophyll absorbs light energy.
What is the function of the cell membrane?
✔✔ It controls the movement of substances in and out of the cell.
What is the semi-permeable structure surrounding the nucleus called?
✔✔ Nuclear envelope.
1
,What is the function of lysosomes in the cell?
✔✔ Lysosomes break down waste materials and cellular debris.
What part of the cell is responsible for packaging and distributing proteins?
✔✔ Golgi apparatus.
What is the process of creating new DNA from an existing strand called?
✔✔ DNA replication.
What is the powerhouse of plant cells responsible for photosynthesis?
✔✔ Chloroplasts.
What is the term for the cell's ability to maintain a stable internal environment?
✔✔ Homeostasis.
What is the phase in the cell cycle where DNA is replicated?
✔✔ S phase.
2
, What molecule is produced during cellular respiration as the main source of energy for the cell?
✔✔ ATP (adenosine triphosphate).
What structure connects the cytoplasm of adjacent plant cells?
✔✔ Plasmodesmata.
What is the process by which organisms maintain their internal water balance?
✔✔ Osmoregulation.
What organelle is responsible for detoxifying chemicals and producing lipids?
✔✔ Smooth endoplasmic reticulum.
What is the process of programmed cell death called?
✔✔ Apoptosis.
What is the pigment in red blood cells that binds to oxygen?
✔✔ Hemoglobin.
3
