Author Question: A circadian rhythm: a. Is about a day long b. Varies from 1248 hours across individuals c. ... (Read 23 times)

ETearle

  • Hero Member
  • *****
  • Posts: 580
A circadian rhythm:
 
  a. Is about a day long
  b. Varies from 1248 hours across individuals
  c. Alters alertness but has little effect on hormonal levels
  d. Is shorter than an ultradian rhythm

Question 2

One of the two genes that have likely contributed to our greater brain size relative to chimpanzees is the ___ gene, responsible for ___.
 
  a. ASPM gene; myelination of the temporal lobe
  b. PACAP precursor gene; neurogenesis and neural signaling
  c. AMSP gene; synaptic formation
  d. PACAP precursor gene; locomotor performance



Shshxj

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

A

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

For a complete list of videos, visit our video library