About 4% of individuals of Northern European descent are carriers for ____, an autosomal recessive genetic disorder
in which a defective membrane transport protein leads to deficient chloride levels in extracellular fluids.
a. Duchenne muscular dystrophy
b. phenylketonuria
c. achondroplasia
d. sickle-cell anemia
e. cystic fibrosis
ANSWER: e
You might also like to view...
You have been asked to design a synthetic DNA motif, able to bind transcriptional regulatory proteins. The location on this motif that you will design for protein binding is the
A. minor groove of the DNA double helix. B. major groove of the DNA double helix. C. phosphate backbone of the DNA double helix. D. sugar backbone of the DNA double helix. E. available hydrogen-bonds of bases in single-stranded DNA. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about transcriptional regulatory proteins? Consider Possibilities · Consider the different answer options. Which can you rule out? 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?
Some of the high G + C Gram-positive bacteria such as Arthrobacter divide by means of snapping division.
Answer the following statement true (T) or false (F)
Which of the following statements is true?
a. The hydrogen bonding of cytosine to guanine is an example of complementary base pairing. b. In DNA, adenine always base pairs with guanine, and cytosine always base pairs with thymine. c. Each of the four nucleotides in a DNA molecule has the same nitrogen-containing base. d. When adenine base pairs with thymine, they are linked by three hydrogen bonds. e. None of these statements are true.
In the P-M system of hybrid dysgenesis in Drosophila, what is responsible for the infertility of offspring of the P male × M female cross?
What will be an ideal response?