« previous next »

Author Question: Water, oxygen, and ____ most freely flow across a cell membrane. a. calcium b. positively charged ... (Read 120 times)

future617RT

  • Hero Member
  • *****
  • Posts: 543
on: Jun 22, 2018
Water, oxygen, and ____ most freely flow across a cell membrane.
 
  a. calcium
 b. positively charged ions
  c. magnesium
 d. carbon dioxide

Question 2

What structure is composed of two layers of fat molecules that are free to flow around one another?
 
  a. the endoplasmic reticulum
  b. a ribosome
 c. a mitochondrion
 d. the membrane


DHRUVSHAH

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jun 22, 2018
Answer to Question 1

d

Answer to Question 2

d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Photosynthetic thylakoid membranes and numerous gas vesicles found in a cell of the cyanobacterial g Photosynthetic thylakoid membranes and numerous gas vesicles found in a cell of the cyanobacterial g
Plant Cell (Blank Labels) Plant Cell (Blank Labels)
Cell Energy Cell Energy
A roller cell-type electric fuel pump. A roller cell-type electric fuel pump.
5-4 The relationship between vapor pressure and temperature—in this case for water. As the ... 5-4 The relationship between vapor pressure and temperature—in this case for water. As the ...
Elephant herd drinking at water hole. Botswana Elephant herd drinking at water hole. Botswana
Video: Phases of mitosis

For a complete list of videos, visit our video library