BIO 121 Exam 3 Lecture, COPY BI 121
GRCC Forbes Exam 3 Questions and
Answers Already Passed
Which organelle detoxifies harmful substances in the cell?
✔✔Peroxisome
Which pigment gives plants their green color?
✔✔Chlorophyll
Which structure in animals helps with cell division?
✔✔Centrioles
Which molecule is primarily responsible for storing genetic information in viruses?
✔✔RNA
Which process converts nitrogen gas into a form usable by plants?
✔✔Nitrogen fixation
1
,Which protein helps maintain cell shape and facilitates movement?
✔✔Actin
Which organ filters lymph and helps fight infections?
✔✔Lymph node
Which type of cell communication involves chemical signals traveling through the bloodstream?
✔✔Endocrine signaling
Which process removes introns from RNA transcripts?
✔✔Splicing
Which organelle in plant cells stores water and maintains turgor pressure?
✔✔Central vacuole
Which molecule is the main structural component of plant cell walls?
✔✔Cellulose
2
,Which enzyme is responsible for unzipping DNA during replication?
✔✔Helicase
Which organ in animals is specialized for grinding food?
✔✔Gizzard
Which type of neuron carries impulses from the brain to muscles?
✔✔Motor neuron
Which adaptation helps desert animals conserve water?
✔✔Concentrated urine
Which structure in the eye is responsible for sharp central vision?
✔✔Fovea
Which immune cell engulfs and digests pathogens?
✔✔Macrophage
3
, Which molecule helps in oxygen storage in muscles?
✔✔Myoglobin
Which type of connective tissue stores fat?
✔✔Adipose tissue
Which part of the plant is responsible for water absorption?
✔✔Root hair
Which hormone stimulates seed germination in plants?
✔✔Gibberellin
Which type of fungi form symbiotic relationships with plant roots?
✔✔Mycorrhizae
Which process in bacteria allows for genetic exchange between cells?
✔✔Conjugation
4
GRCC Forbes Exam 3 Questions and
Answers Already Passed
Which organelle detoxifies harmful substances in the cell?
✔✔Peroxisome
Which pigment gives plants their green color?
✔✔Chlorophyll
Which structure in animals helps with cell division?
✔✔Centrioles
Which molecule is primarily responsible for storing genetic information in viruses?
✔✔RNA
Which process converts nitrogen gas into a form usable by plants?
✔✔Nitrogen fixation
1
,Which protein helps maintain cell shape and facilitates movement?
✔✔Actin
Which organ filters lymph and helps fight infections?
✔✔Lymph node
Which type of cell communication involves chemical signals traveling through the bloodstream?
✔✔Endocrine signaling
Which process removes introns from RNA transcripts?
✔✔Splicing
Which organelle in plant cells stores water and maintains turgor pressure?
✔✔Central vacuole
Which molecule is the main structural component of plant cell walls?
✔✔Cellulose
2
,Which enzyme is responsible for unzipping DNA during replication?
✔✔Helicase
Which organ in animals is specialized for grinding food?
✔✔Gizzard
Which type of neuron carries impulses from the brain to muscles?
✔✔Motor neuron
Which adaptation helps desert animals conserve water?
✔✔Concentrated urine
Which structure in the eye is responsible for sharp central vision?
✔✔Fovea
Which immune cell engulfs and digests pathogens?
✔✔Macrophage
3
, Which molecule helps in oxygen storage in muscles?
✔✔Myoglobin
Which type of connective tissue stores fat?
✔✔Adipose tissue
Which part of the plant is responsible for water absorption?
✔✔Root hair
Which hormone stimulates seed germination in plants?
✔✔Gibberellin
Which type of fungi form symbiotic relationships with plant roots?
✔✔Mycorrhizae
Which process in bacteria allows for genetic exchange between cells?
✔✔Conjugation
4
