BIO 232 Exam 1 Questions With 100% Verified Answers | Solved

BIO 232 Exam 1 Questions With 100%
Verified Answers | Solved
The ___ system controls the body with molecules and chemicals called hormones
A. Lymphatic
B. Cardiovascular
C. Immune
D. Endocrine CORRECT ANSWERS D. Endocrine

The main purpose of negative feedback is _____
A. To control all body system tissues
B. To maintain homeostasis
C. To keep the body's sugar high
D. To regulate excretion CORRECT ANSWERS B. To maintain homeostasis

The heart lies in the _____ cavity
A. Superior mediastinal
B. Pleural
C. Dorsal
D. Pericardial CORRECT ANSWERS D. Pericardial

Which of the following is NOT true of proteins?
A. They may be denatured by heat
B. Some types are called enzymes
C. They appear to be the molecular carriers of the coded hereditary information
D. Their function depends on the three-dimensional shape CORRECT ANSWERS C.
They appear to be the molecular carriers of the coded hereditary information

A solution that has a pH of 2 could be best described as being
A. Acidic
B. Basic
C. Neutral CORRECT ANSWERS A. Acidic

Organic molecules contain which element?
A. B
B. Na
C. C
D. N CORRECT ANSWERS C. C (carbon)

Select the most correct statement regarding nucleic acids.
A. Three forms exist: DNA, RNA, and tDNA
B. DNA is a long double stranded molecule made up of A, T, G, and C bases
C. RNA is a long single stranded molecule made up of the bases A, G, T, and C