Nonhistone proteins make up the protein framework that gives the chromosomes their shape. What is this structure called?
What will be an ideal response?
chromosome scaffold
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It is summer, and you are excited about going to your local amusement park, and specifically about riding the new roller coaster that was just built. You imagine waiting at the top of the stairs for the roller coaster to pull into the station, climbing into the car, strapping yourself into the seatbelt, and pulling down the harness. You can imagine the cars slowly chugging up to the top of the first hill, coming down on the other side, and the excitement you expect to feel as you go along for the ride. Of all of the things that you have imagined, which is an example of potential energy?
A. Waiting at the top of the stairs for the roller coaster to pull into the station B. Climbing into the car C. Pulling down the harness D. The roller coaster car going up the first hill
Cystic fibrosis is a recessive disorder. If a couple, each of whom is heterozygous for the CFTR mutation, have
children, what is the probability that they will have a child with cystic fibrosis?
a. 0% b. 25% c. 50% d. 75% e. 100%
Fats that are manufactured from vegetable oils found in many processed food are known as ____
a. saturated fats b. unsaturated fates c. trans fatty acids d. linoleic acid e. omega-6 fatty acids
Which of the following BEST explains the finding that the nuclear DNA of house cats and African wild cats has a very high degree of similarity?
a. Divergent morphological evolution has occurred. b. Convergent morphological evolution has occurred. c. House cats and African wild cats share a recent common ancestor. d. House cats and African wild cats are both members of the family Felidae. e. Convergent molecular evolution has occurred.