BI 121 GRCC Forbes Exam 3 Questions
and Answers Latest Version Graded A+
Which molecule acts as the main carrier of oxygen in aquatic organisms?
✔✔Hemocyanin
Which structure in plants stores starch for later energy use?
✔✔Amyloplast
Which type of cell junction allows communication between adjacent animal cells?
✔✔Gap junction
Which biological pigment gives red algae their distinctive color?
✔✔Phycoerythrin
Which type of enzyme breaks down lipids into fatty acids and glycerol?
✔✔Lipase
1
,Which hormone influences insect molting and metamorphosis?
✔✔Ecdysone
Which plant hormone promotes seed dormancy and drought tolerance?
✔✔Abscisic acid
Which molecule is the precursor for steroid hormone synthesis?
✔✔Cholesterol
Which structure in fungi is responsible for nutrient absorption?
✔✔Hyphae
Which cell organelle is involved in detoxification and lipid metabolism?
✔✔Smooth endoplasmic reticulum
Which molecule forms the exoskeleton of arthropods?
✔✔Chitin
2
,Which enzyme initiates carbohydrate digestion in the mouth?
✔✔Salivary amylase
Which type of bacteria can convert atmospheric nitrogen into a usable form?
✔✔Nitrogen-fixing bacteria
Which pigment is essential for photosynthesis in cyanobacteria?
✔✔Phycocyanin
Which molecule acts as the primary electron carrier in cellular respiration?
✔✔NADH
Which process in plants involves the movement of water through xylem?
✔✔Transpiration
Which ion is crucial for muscle contraction?
✔✔Calcium
3
, Which type of RNA carries amino acids to ribosomes for protein synthesis?
✔✔tRNA
Which protein helps maintain the shape of the red blood cell membrane?
✔✔Spectrin
Which molecule serves as the energy currency of the cell?
✔✔ATP
Which structure in bacteria aids in attachment to surfaces?
✔✔Fimbriae
Which enzyme repairs DNA damage by removing incorrect bases?
✔✔DNA polymerase
Which pigment protects skin from UV radiation?
✔✔Melanin
4
and Answers Latest Version Graded A+
Which molecule acts as the main carrier of oxygen in aquatic organisms?
✔✔Hemocyanin
Which structure in plants stores starch for later energy use?
✔✔Amyloplast
Which type of cell junction allows communication between adjacent animal cells?
✔✔Gap junction
Which biological pigment gives red algae their distinctive color?
✔✔Phycoerythrin
Which type of enzyme breaks down lipids into fatty acids and glycerol?
✔✔Lipase
1
,Which hormone influences insect molting and metamorphosis?
✔✔Ecdysone
Which plant hormone promotes seed dormancy and drought tolerance?
✔✔Abscisic acid
Which molecule is the precursor for steroid hormone synthesis?
✔✔Cholesterol
Which structure in fungi is responsible for nutrient absorption?
✔✔Hyphae
Which cell organelle is involved in detoxification and lipid metabolism?
✔✔Smooth endoplasmic reticulum
Which molecule forms the exoskeleton of arthropods?
✔✔Chitin
2
,Which enzyme initiates carbohydrate digestion in the mouth?
✔✔Salivary amylase
Which type of bacteria can convert atmospheric nitrogen into a usable form?
✔✔Nitrogen-fixing bacteria
Which pigment is essential for photosynthesis in cyanobacteria?
✔✔Phycocyanin
Which molecule acts as the primary electron carrier in cellular respiration?
✔✔NADH
Which process in plants involves the movement of water through xylem?
✔✔Transpiration
Which ion is crucial for muscle contraction?
✔✔Calcium
3
, Which type of RNA carries amino acids to ribosomes for protein synthesis?
✔✔tRNA
Which protein helps maintain the shape of the red blood cell membrane?
✔✔Spectrin
Which molecule serves as the energy currency of the cell?
✔✔ATP
Which structure in bacteria aids in attachment to surfaces?
✔✔Fimbriae
Which enzyme repairs DNA damage by removing incorrect bases?
✔✔DNA polymerase
Which pigment protects skin from UV radiation?
✔✔Melanin
4
