active requires
What will be an ideal response?
energy
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The small molecule intermediate phosphoenol-pyruvate (PEP) is unusual due to which chemical
characteristic?
a. supplies a high energy phosphate to phosphorylate ADP b. provides high energy electrons to make ATP c. its ability to carry out redox reactions d. regulates the activity of phosphofructokinase e. donates an electron to NAD+ and FAD
Which of the following statements about DNA
replication is correct?
a. DNA replication is error free b. DNA replication occurs without the help of enzymes c. In DNA replication, the parent strands are discarded d. Each newly formed DNA molecule contains two new strands and two old strands. e. Each newly formed DNA molecule contains one parent strand and three new strands.
Delivery of bile into the small intestine causes the __________ of fats, breaking them into smaller,
more easily digested droplets. Fill in the blank(s) with the appropriate word(s).
Matching I. Choose the one most appropriate letter
for each blank. 1. ___ birds 2. ___ bony fishes 3. ___ caecilians 4. ___ humans 5. ___ lampreys 6. ___ lancelets 7. ___ opossum 8. ___ crocodile 9. ___ placoderms 10. ___ platypus 11. ___ salamanders 12. ___ sharks 13. ___ snakes 14. ___ tunicates A. cartilaginous skeleton; jaws B. reptile with four-chambered heart C. placental mammal D. legless amphibian E. invertebrate chordate; no metamorphosis F. endotherm with feathers G. limbless reptile H. most primitive fishes with jaws; extinct I. modern-day parasitic jawless vertebrate J. marsupial K. adult is called “sea squirt” L. egg-laying mammal M. swim bladder for buoyancy N. may be sexually mature in larval form