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

Author Question: Which of the following statements about a DNA molecule is incorrect? A) All DNA molecules are ... (Read 18 times)

mspears3

  • Hero Member
  • *****
  • Posts: 586
on: Aug 27, 2018
Which of the following statements about a DNA molecule is incorrect?
 
  A) All DNA molecules are made from a repeating unit consisting of a phosphate group, a sugar group, and an amine base.
  B) Complementary base pairs in DNA molecules are held together by hydrogen bonds.
  C) Normal DNA is double-stranded and helical in shape.
  D) Complementary bases in DNA molecules are held together by covalent bonds.

Question 2

0.024 moles of nitrogen gas occupy 4.0 L at 0.90 atm pressure. What will be the final volume if the container is allowed to expand and the pressure is reduced to 0.30 atm while the temperature is kept constant?
 
  A) 1.33 L
  B) 3.6 L
  C) 6.0 L
  D) 12 L


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

SAUXC

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

D


mspears3

  • Member
  • Posts: 586
Reply 2 on: Aug 27, 2018
Excellent

hollysheppard095

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Flexibility of antibody molecules Flexibility of antibody molecules
Hydrogen Molecule Hydrogen Molecule
Two oxygen molecules in van der Waals contact Two oxygen molecules in van der Waals contact
Minty-Smelling Molecules Minty-Smelling Molecules
The movement of water vapor molecules exerts vapor pressure on surfaces. The movement of water vapor molecules exerts vapor pressure on surfaces.
A transfer RNA (tRNA) molecule A transfer RNA (tRNA) molecule
Video: Baroreceptor Reflex

For a complete list of videos, visit our video library