Cancer associated with aflatoxin exposure is connected to ____
a. heredity
b. viruses
c. chemical carcinogens
d. radiation
e. weakened immunity
ANSWER: c
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True or false: Osmoconformers tend to live in environments with variable solute concentrations
A. true B. false
Visible light comprises wavelengths that vary
between ____ nanometers.
a. 380 and 750 b. 350 and 750 c. 390 and 780 d. 340 and 740 e. 320 and 740
In humans, normal skin pigmentation is influenced
by a dominant gene (C), which allows pigmentation to develop. All individuals who are homozygous for the recessive allele (c) are unable to produce an enzyme needed for melanin formation and are therefore referred to as albino. Two normal parents produce an albino child. What are the chances that the next child will be an albino? What will be an ideal response?
What is the final product after a primary oocyte goes through meiosis?
A) four secondary oocytes B) three secondary oocytes and one polar body C) two secondary oocytes and polar bodies D) one secondary oocyte and polar bodies