A. Endonuclease
B. Unpaired bases
C. Calcium ions
D. Free methylation
A. Chicken farming
B. Horse forming
C. Silkworm farming
D. Honey bee farming
A Amino acids
B. RNA
C. Nucleotides
D. Polypeptides
_________________ cells of phloem are directly involved in transport of organic solutes?
A. Parenchyma
B. Companion cell
C. Tracheid
D. Sieve element
Destruction of all life forms is called___________?
A. Sterilization
B. Disinfection
C. Antisepsis
D. Preservation
A. chlorine
B. hydrogen
C. oxygen
D. carbon dioxide
All of the following contain cartilage except:___________?
A. Larynx
B. Trachea
C. Bronchi
D. Bronchioles