Biology 2 DEGREE

As a result of glycolysis, there is a net gain of ________ ATP(s).

• 2

• 4

• 36

• 0

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

During chemiosmosis _____

• ATP is synthesized when H+ ions move through a channel in ATP synthase

• H+ ions serve as the final electron acceptor

• a concentration gradient is generated when large numbers of H+ ions are passively

• energy is released as H+ ions move freely across mitochondrial membranes

Tags

NGSS.HS-LS1-7

In the reaction A → B + C + heat _____.

• there is a net input of energy

• entropy has decreased

• the potential energy of the products is greater than that of the reactant

• the potential energy of the products is less than that of the reactant

Tags

NGSS.HS-PS1-4

The end products of the citric acid cycle include CO2, pyruvate, ATP, and FADH2.

• True

• False

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

Some protozoans have special organelles called contractile vacuoles that continually eliminate excess water from the cell. The presence of these organelles tells you that the environment _____.

• is isotonic to the protozoan

• will cause the protozoan to shrink

• 
  is hypotonic to the protozoan

• contains a higher concentration of solutes than the protozoan

Tags

NGSS.HS-LS1-3

Which process can move a solute against its concentration gradient?

• osmosis

• passive transport

• facilitated diffusion

• active transport

The fluid mosaic model describes the plasma membrane as consisting of _____.

• 
  diverse proteins embedded in a phospholipid bilayer

• carbohydrates and phospholipids that can drift in the membrane

• a phospholipid bilayer with embedded carbohydrates

• two layers of phospholipids with cholesterol sandwiched between them

Which statement about ATP is true?

• It contains the sugar glucose.

• Extremely stable bonds link the second and third phosphate groups.

• It releases energy when one phosphate group leaves ATP.

• It contains five phosphate groups.

CO2 enters and O2 escapes from a leaf via _____.

• veins

• grana

• thylakoids

• stomata

Tags

NGSS.MS-LS1-6

Oxygen crosses a plasma membrane by _____.

• active transport

• osmosis

• endocytosis

• passive transport