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

Author Question: The first barrier to invasion is (Read 46 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
Great answer, keep it coming :)

bassamabas

  • Member
  • Posts: 294
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

An activation barrier, representing the transition state An activation barrier, representing the transition state
Blood-brain barrier Blood-brain barrier
Dopamine cannot cross the blood–brain barrier. Levodopa, its precursor, can. Once levodopa crosses ... Dopamine cannot cross the blood–brain barrier. Levodopa, its precursor, can. Once levodopa crosses ...
Blood–brain barrier. Blood–brain barrier.
Invasion of Frigid Air Invasion of Frigid Air
One surface barrier to infection One surface barrier to infection
Video: Action potentials - electrical characteristics and generation

For a complete list of videos, visit our video library