Single-stranded DNA molecules are said to be antiparallel when they are lined up next to each other but oriented in opposite directions.
a. true
b. false
Answer: a. true
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What are the circumstances under which exponential growth is possible?
a. extreme geographical space limitations b. highly accurate population density measures c. infinite resources d. unlimited water supply
The honey possum (Tarsipes rostratus) is a tiny Australian marsupial that feeds entirely on nectar. Which of the following terms describes the role of a honey possum in its ecosystem?
A. herbivore B. primary producer C. primary carnivore D. secondary carnivore E. detritivore Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about trophic levels? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
In a chloroplast, there is an outer and an inner membrane. The inner membrane encloses a fluid filled
region called the:a. grana. b. thylakoid. c. stroma. d. pigment. e. electron acceptor
Organisms that are well understood from a scientific standpoint and are often used in basic biological research are often called ________
A) recombinant DNA technology B) vectors C) restriction enzymes D) clones E) model organisms