Author Question: A circadian rhythm: a. Is about a day long b. Varies from 1248 hours across individuals c. ... (Read 28 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?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

For a complete list of videos, visit our video library