This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A human somatic cell contains __________ chromosomes. A. 23 B. 49 C. 46 D. ... (Read 704 times)

lunatika

  • Hero Member
  • *****
  • Posts: 548
on: Aug 11, 2018
A human somatic cell contains __________ chromosomes.
 
  A. 23 B. 49 C. 46
   D. 92

Question 2

Which of the following statements about mutations is correct?
 
  A. Mutations occur when needed to allow individuals to survive environmental changes such as shifts in the climate or the onslaught of a new disease.
  B. Mutations are always beneficial, making the organism better adapted.
  C. Mutations are very important from an evolutionary perspective because they introduce variation (new alleles) into the gene pool.
  D. Mutations are goal-directed, nonrandom changes in the DNA of an organism.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

isabelt_18

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Aug 11, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: C


lunatika

  • Hero Member
  • *****
  • Posts: 548
Reply #2 on: Aug 11, 2018
Both answers were spot on, thank you once again


isabelt_18

  • Sr. Member
  • ****
  • Posts: 342
Reply #3 on: Aug 11, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

The eukaryotic cell cycle and cell division in an organism with six chromosomes. The eukaryotic cell cycle and cell division in an organism with six chromosomes.
thy cell thy cell
HUMAN HERAT HUMAN HERAT
Structure of an animal cell Structure of an animal cell
cell cell
Structures of human DNA polymerase g (left) and T7 phage DNA polymerase (right) holoenzymes Structures of human DNA polymerase g (left) and T7 phage DNA polymerase (right) holoenzymes
Video: How proteins function? How do proteins work?

For a complete list of videos, visit our video library