Author Question: In fruit flies, per and tim proteins: a. inhibit the clock protein. b. promote the production of ... (Read 30 times)

serike

  • Hero Member
  • *****
  • Posts: 542
In fruit flies, per and tim proteins:
 
  a. inhibit the clock protein.
 b. promote the production of the clock protein.
 c. are inhibited by the clock protein.
 d. inhibit the production of each other and the clock protein.

Question 2

The origin of the SCN's rhythms may be
 
  a. exposure to the mother's rhythms in utero.
 b. input from the retinohypothalamic tract.
 c. exposure to melatonin.
 d. oscillations of protein production and degradation.



chem1s3

  • Sr. Member
  • ****
  • Posts: 320
Answer to Question 1

a

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

For a complete list of videos, visit our video library