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

Author Question: The first barrier to invasion is (Read 45 times)

dmcintosh

  • Hero Member
  • *****
  • Posts: 517
on: Jan 6, 2021

Question 1

The enzyme used by HIV that allows it to make DNA from RNA is
◦ DNA ligase.
◦ helicase.
◦ restriction endonuclease.
◦ reverse transcriptase.
◦ cholinesterase.

Question 2

The first barrier to invasion is
◦ antibody production.
◦ intact skin and body cavity linings.
◦ direct attack by white blood cells.
◦ innate immunity.
◦ development of memory cells.
Human Biology ¦ Starr, McMillan ¦ 10th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by dmcintosh on Jan 6, 2021

Koolkid240

  • Sr. Member
  • ****
  • Posts: 357
Reply #1 on: Jan 6, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly


dmcintosh

  • Member
  • Posts: 517
Reply 2 on: Jan 6, 2021
:D TYSM

kusterl

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Blood-brain barrier Blood-brain barrier
Invasion and metastasis by cancer cells Invasion and metastasis by cancer cells
The Blood–Brain Barrier The Blood–Brain Barrier
The activation energy barrier. The activation energy barrier.
Effect of the activation energy barrier. Effect of the activation energy barrier.
Place a towel or sheet over knee area. Use a thin barrier to protect skin from cold source. Place a towel or sheet over knee area. Use a thin barrier to protect skin from cold source.
Video: Retina

For a complete list of videos, visit our video library