« previous next »

Author Question: Water, oxygen, and ____ most freely flow across a cell membrane. a. calcium b. positively charged ... (Read 128 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?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Water Properties Water Properties
Sickle Cell Sickle Cell
Phagocytosis. The cell engulfs and digests a bacterium. Phagocytosis. The cell engulfs and digests a bacterium.
The oxygen sensor provides a quick response at the stoichiometric air–fuel ratio of 14.7:1. The oxygen sensor provides a quick response at the stoichiometric air–fuel ratio of 14.7:1.
Eukaryotic signal transduction systems involving membrane receptors (1–5)/ second messengers (1-4) Eukaryotic signal transduction systems involving membrane receptors (1–5)/ second messengers (1-4)
RFLP diagnosis of sickle-cell anemia RFLP diagnosis of sickle-cell anemia
Video: Inflammation and Fever

For a complete list of videos, visit our video library