The tox gene that codes for the exotoxin is introduced into strains of Corynebacterium diphtheriae by a lysogenic bacteriophage
a. true
b. false
Ans: a. true
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Because carbon is able to form up to four covalent bonds, it can take on a variety of orientations, including linear, ________, and ________ structures.
Fill in the blank(s) with the appropriate word(s).
You are researching an "orphan disease" with no available treatment. Your lab develops a drug that mimics a lipophilic hormone thought to be lacking in the disease, and you are looking for a pharmaceutical company to partner with to run a clinical trial. Based on the reaction from each team, which would you choose to work with?
A. Company A: "What you've developed is wonderful, but we'll need to develop a delivery system to get the drug across the cell membrane." B. Company B: "Your new drug seems very promising. Do you know which G-protein coupled receptor it binds to?" C. Company C: "We're interested in developing this drug - it could really help people. Do you know which genes the hormone regulates?" 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 hormones? What other information is related to the question? Choose Answer Given what you now know, what information 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?
Which type of cell in the human body possesses a FLAGELLUM?
a. tracheal cell b. skin cell c. neuron d. sperm cell
Because they are made up of similar bones, the flippers of whales and the wings of birds are examples of...
a) vestigial organs b) embryos c) homologous structures d) fossil structures