What is the name of the Drosophila multinucleated cell formed early in development?
A) syncytium
B) blastocoel
C) mMeristem
D) homeobox
E) blastoderm
A
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Studies assessing the amounts of different carbon isotopes (12C, 13C, and 14C) in the atmosphere were important because they provided evidence that human activities were in fact adding CO2 to the atmosphere. This is an example of what type of relationship
A. correlation B. symbioses C. causation D. conduction E. antagonism
The process by which tissues and organs form is called ________
a. cell differentiation b. morphogenesis c. pattern formation d. apoptosis
Which of the following statements is NOT true about
the reproductive behavior of voles? a. Oxytocin induces monogamy in female prairie voles. b. Monogamous species have fewer oxytocin receptors than promiscuous species. c. ADH receptors in the brain play a role in monogamy. d. Mountain voles are more promiscuous than prairie voles. e. Male meadow voles are not monogamous.
Pyruvate can be converted into many other molecules by various biosynthetic and metabolic pathways, which makes it a central hub in the regulation of cellular metabolism. Which of the following molecules is not made from pyruvate?
(a) oxaloacetate (b) ethanol (c) lactate (d) NADH