Answer the following questions true (T) or false (F)
1. Homeostasis is maintained mostly by positive feedback.
2. The abdominopelvic cavity is part of the larger ventral body cavity.
3. In the levels of organization, the tissue level is between the cellular and organ levels.
1. FALSE
2. TRUE
3. TRUE
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Limiting the activity of microbes in food can be accomplished by
A. pasteurization. B. cold storage. C. lowering the pH. D. growth inhibiting substances. E. All of the choices are correct.
Infants who are homozygous dominant for achondroplasia
a. are often stillborn. b. grow to be no taller than two feet. c. grow taller than individuals who are heterozygous. d. attain a normal height. e. do not develop arms and legs.
Refer to the accompanying figure. What does the photoperiodic response of the plant in Row A suggest?
a. A brief dark period is the light cue that induces flowering.
b. A brief daylight period is the light cue that induces flowering.
c. A long uninterrupted daylight period is the light cue that induces flowering.
d. A long uninterrupted dark period is the light cue that induces flowering.
e. A determination cannot be made from the data provided.
Which of the following pairs is mismatched?
A) Neisseria meningitidis — produces deadly endotoxins B) Haemophilus influenzae — virulence due to capsule C) Mycobacterium leprae — cultured in armadillos D) Cryptococcus neoformans — acid-fast rod E) Naegleria fowleri — causes amoebic encephalitis