Chapter 2. Flashcards
1
Q
the smallest self-contained structures in our bodies.
A
cells
2
Q
the basic units of heredity
A
genes
3
Q
DNA instructions that are transmitted from parent to child
A
Hereditary mechanism
4
Q
Enzymes (e.g., carbohydrases, lipases, nucleases) function
A
Catalyze (speed up) the chemical reactions within cells and throughout the body
5
Q
Collagen
A
Forms the basis for connective tissue in the body
6
Q
serve in DNA replication and gene expression
A
DNA and RNA polymerase
7
Q
Hemobglobin
A
Transports oxygen in the blood
8
Q
Controls glucose levels in the blood
A
Insulin
9
Q
Form the muscles
A
Contractile proteins (e.g., actin, myosin)
10
Q
Regulate physical growth and development and adjust the body under stress
A
Hormones
11
Q
Protect the body from disease
A
Antibodies, antigens
