Which of the following signaling patterns cell fates through lateral inhibition?

TLS Online TPP Program

#Question id: 24668

#Unit 2. Cellular Organization

 Differences between cotransport and active ion transport include

TLS Online TPP Program

#Question id: 24669

#Unit 2. Cellular Organization

Match the following inhibitors (Column I) with their effect (Column II).

TLS Online TPP Program

#Question id: 24670

#Unit 2. Cellular Organization

Which of the following statement(s) is (are) true of V-class proton pumps?

a. They are ATPases.

b. They are present in membranes of plant vacuoles.

c. They serve to decrease the pH inside a lysosome.

d. They can acidify the lumen of an organelle (or the extracellular space) because these pumps are electrogenic

TLS Online TPP Program

#Question id: 24671

#Unit 2. Cellular Organization

Cholesterol and phospholipids are transported between organelles by

i. Golgi-dependent mechanisms.

ii. incompletely characterized vesicle populations.

iii. direct contact between membranes and, to some extent, small, soluble lipid-transfer proteins.

Which of the following statements are correct?

TLS Online TPP Program

#Question id: 24672

#Unit 2. Cellular Organization

Which statement describes the mode of action of the ABCB1 transporter (the first eukaryotic ABC transporter to be recognized)?

TLS Online TPP Program

#Question id: 24673

#Unit 2. Cellular Organization

Which of the following properties is (are) typical of uniport proteins?