Transmission of Mycobacterium leprae involves

A) direct contact.
B) respiratory transmission.
C) both direct contact and the respiratory route.
D) penetration into unbroken skin.


Answer: C

Biology & Microbiology

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Natural selection can be defined as ________

A) the evolution of a population of organisms B) a process in which changes in gene frequencies result from evolution C) the production of more offspring than can survive in a given environment D) a process in which organisms with certain inherited traits are more likely to survive and reproduce than individuals with other traits

Biology & Microbiology

T or F: Muscle compartments are separated by fascia

What will be an ideal response?

Biology & Microbiology

In order for a muscle contraction to occur, cross-bridges must form between structures within a muscle cell. These cross-bridges form between ______ and _____.

Fill in the blank(s) with correct word

Biology & Microbiology

The growth hormone is

a. prolactin.
b. adrenalin.
c. thyroxine.
d. ACTH.
e. somatotropin.

Biology & Microbiology