Tag Archives: Biology

Cell Membranes

[php snippet=3]

A blood cell is placed into a salt-water mixture (70% salt). What is likely to result if the red blood cell’s membrane is permeable to water?

Loading ... Loading ...


Subscribe below to receive the MCAT Question of the Day delivered straight to your inbox every morning.

 



Pass It Down

[php snippet=3]

The basic premise of cladistics is organisms that are closely related share a common evolutionary history. The characteristics that are shared by group members and derived from their ancestors are called:

Loading ... Loading ...


Subscribe below to receive the MCAT Question of the Day delivered straight to your inbox every morning.

 



The Complement System

[php snippet=3]

Which of the following accurately describes the complement system?

Loading ... Loading ...


Subscribe below to receive the MCAT Question of the Day delivered straight to your inbox every morning.

 



Switch Hitter

[php snippet=3]

Which one of the following molecule is amphipathic, with both a hydrophilic and hydrophobic region?

Loading ... Loading ...


Subscribe below to receive the MCAT Question of the Day delivered straight to your inbox every morning.

 



Layer of the Epidermis

[php snippet=3]

Which layer of the epidermis is the characterized by a low rate of mitosis and a high concentration of keratin?

Loading ... Loading ...


Subscribe below to receive the MCAT Question of the Day delivered straight to your inbox every morning.

 



Otter Future

[php snippet=3]

In a small lake, sea urchins graze upon small grasses that grow on the bottom. After the introduction of an exotic sea urchin, the small grasses became over grazed and absent. To solve the problem, a species of otter is introduced into the lake to predate upon the sea urchins, and the balance between the urchins and sea grasses is restored. What would be the appropriate term for the otter that was introduced?

Loading ... Loading ...


Subscribe below to receive the MCAT Question of the Day delivered straight to your inbox every morning.

 



Favored Reaction in Thermodynamics

[php snippet=3]

According to the second law of thermodynamics, which of the following reactions would be favored?

Loading ... Loading ...


Subscribe below to receive the MCAT Question of the Day delivered straight to your inbox every morning.

 



Primitive Atmosphere

[php snippet=3]

According to scientists, Oparin and Haldane, which of the following gases were present in the primitive atmosphere?

Loading ... Loading ...


Subscribe below to receive the MCAT Question of the Day delivered straight to your inbox every morning.

 



Catalyzing Chemical Reactions

[php snippet=3]

Enzymes are one of the key proteins in cells and facilitate chemical reactions. How does a typical enzyme catalyze a chemical reaction?

Loading ... Loading ...


Subscribe below to receive the MCAT Question of the Day delivered straight to your inbox every morning.

 



Cerebrospinal Fluid Producers

[php snippet=3]

Cerebrospinal fluid (CSF) is created by special capillary networks located in the brain. CSF bathes the hollow regions of the brain, spinal cord, and around the central nervous system, within its protective coverings. The areas that the CSF pathway includes are:

Loading ... Loading ...


Subscribe below to receive the MCAT Question of the Day delivered straight to your inbox every morning.