« previous next »

Author Question: A circadian rhythm: a. Is about a day long b. Varies from 1248 hours across individuals c. ... (Read 29 times)

ETearle

  • Hero Member
  • *****
  • Posts: 580
on: Jun 22, 2018
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
Reply #1 on: Jun 22, 2018
Answer to Question 1

A

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

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?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

The rate of evolution in short­ and long­lived plants The rate of evolution in short­ and long­lived plants
Local and long–distance cell communication in animals. Local and long–distance cell communication in animals.
By middle adulthood, most individuals and established and confident in their careers By middle adulthood, most individuals and established and confident in their careers
How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay? How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay?
In situ hybridization of a zebrafish embryo 48 hours after fertilization In situ hybridization of a zebrafish embryo 48 hours after fertilization
Long bone formation Long bone formation
Video: Mendel's Pea Experiment

For a complete list of videos, visit our video library