Author Question: Which of the following is true of sickle cell disease? a. it shortens the life span of red blood ... (Read 36 times)

SGallaher96

  • Hero Member
  • *****
  • Posts: 509
Which of the following is true of sickle cell disease?
 
  a. it shortens the life span of red blood cells
  b. it causes blood cells to clump together in small blood vessels
  c. it damages the spleen
  d. all of these

Question 2

A point mutation occurs when __________ is changed.
 
  a. a single gene
  b. an allele pair is changed
  c. an introns is changed
  d. a single base in a gene



whitcassie

  • Sr. Member
  • ****
  • Posts: 298
Answer to Question 1

Answer d

Answer to Question 2

Answer d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

For a complete list of videos, visit our video library