Transport of minerals from soil to epidermal cells of roots via carrier protein molcules along their concentration gradient is called___________?
A. Diffusion.
B. Facilitated diffusion.
C. Passive transport.
D. Active transport.
A. 10 Hz to 10,000 Hz.
B. 20 Hz to 20,000 Hz.
C. 30 Hz to 30,000 Hz.
D. 40 Hz to 40,000 Hz.
How many carbon atoms are required to form a furan ring (ribofuranose)_____________?
A. 3
B. 4
C. 5
D. 2
Vaccine Was discovered by______________?
A. Louis Pasteur
B. Edward Jennar
C. Ivanowski
D. Stanely
mitochondria in heart muscles are nearly_____________?
A. 400
B. 375
C. 350
D. 325
More than ___________ compounds of tar of tobacco smoke are involved to cause cancer?
A. 5
B. 90
C. 15
D. 10
A. Meristematic
B. Permanent
C. Epidermal
D. Supporting