Classification and Cells
What term describes movement in response to stimulus?
Taxis
What type of molecule are enzymes?
Protein
What can happen if you have vitamin C deficiency?
Scurvy
What is the liquid part of blood?
Plasma
What is homeostasis?
Maintaining a constant internal environment
How many kingdoms are in the Bio system?
5
What term describes enzyme‑substrate fit?
Complementary
Which process do plants use to absorb water?
Active Transport
What vessel carries blood from the heart to the body?
Aorta
What is the function of the myelin sheath?
Speeds up nerve impulse conduction.
What organelle contains chlorophyll?
Chloroplast
What happens to enzymes at high temperature?
Denaturation
What process moves sugars around the plant?
Translocation
What structure ensures there is no backflow of blood?
Valve
Why does insulin lower high blood glucose and glucagon raises low blood glucose?
Insulin and glucagon cause these separate mechanisms to regulate blood glucose via negative feedback.
What is the structure in bacteria carrying genetic information?
Plasmid
What is the function of trypsin?
Protein digestion in the small intestine
What is the role of anylase?
To digest (breakdown) starch.
What process moves sugars around the plant?
Translocation
Why do reflex arcs bypass the brain?
It enables a faster response to harmful stimuli by reducing neural delay.
What molecule are fungal cell walls made of?
Chitin
It 'unzips' DNA.
DNA Helicase
Why do plants require magnesium for photosynthesis?
To make chlorophyll
What vein carries deoxygenated blood from the upper body back to the heart's right atrium?
Superior vena cava
How does a clinostat control for gravity when studying tropism in seedlings?
It rotates seedlings so gravity stimulus is uniform, preventing directional growth.