Author Question: A statistically well-supported phylogenic tree __________. a. is a precise reconstruction of ... (Read 52 times)

schs14

  • Hero Member
  • *****
  • Posts: 569
A statistically well-supported phylogenic tree __________.
 
  a. is a precise reconstruction of evolutionary events
  b. is never subject to different interpretations
  c. should incorporate the fewest number of evolutionary steps or events
  d. does not require nodes to have a high degree of statistical certainty

Question 2

The human leukocyte antigen (HLA) protein must be typed prior to organ transplantation because failure to match phenotype can result in the ____________.
 
  a. host's white blood cells attacking the donor organ
  b. host's red blood cells attacking the donor organ
  c. host's white blood cells becoming infected
  d. host's red blood cells becoming infected



paavo

  • Sr. Member
  • ****
  • Posts: 301
Answer to Question 1

Correct Answer: c

Answer to Question 2

Correct Answer: a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

For a complete list of videos, visit our video library