Identify a possible risk of overuse of antibiotics.

Is antibiotic resistance caused by the overuse of antibiotics in agriculture?

Use of antibiotics in animal feed leads to antibiotic-resistant bacteria because?

A. The few surviving bacteria that are affected by the antibiotics develop immunity to the antibiotics, which they pass on to their progeny

B. The antibiotics cause new mutations to occur in the surviving bacteria, which results in resistance to antibiotics

C. The antibiotics kill susceptible bacteria, but the few that are naturally resistant live and reproduce, and their progeny repopulate the host animal

D. The antibiotics persist in soil and water

E. Bacteria from other animals replace those killed by the antibiotics

What is the name of the process by which a cell will uptake large molecules from the extracellular fluid?
a. Endocytosis
b. Active transport
c. Facilitated diffusion
d. Exocytosis

If you place a blood cell in a beaker filled with pure water, what would likely happen?

A red blood cell placed in pure water would ________.

Which of the following is not a component of the endomembrane system? a. mitochondrion, b. Golgi apparatus, c. endoplasmic reticulum, d. lysosome.

What does it mean to say that the eukaryotic cell is compartmentalized?

Eukaryotic cells contain many compartmentalized organelles. What are the organelles in these eukaryotic cells?

Describe why eukaryotic cells being compartmentalized can make their metabolism more complex?

Which of the following does a prokaryotic cell have that an animal cell does not?

A. Ribosomes

B. Cell wall

C. Vacuole

D. DNA

Which of the following does a prokaryotic cell have that an animal cell does not?

a. vacuole

b. cytoplasm

c. DNA

d. ribosome

why do phospholipids form a bilayer in water?

Why do phospholipids spontaneously form a bilayer when mixed with water?

a. because the polar head groups come together on the inside of the membrane

b. because both ends are non-polar

c. because they have an end that is polar and another that is non-polar

d. because the polar tails come together on the inside of the membrane