TLS Online TPP Program

#Question id: 24651


For the SERCA pump, how many Ca2+ ions moves across the membrane during each catalytic cycle ?

#Unit 2. Cellular Organization
  1.  one Ca2+ ions
  2.  two Ca2+ ions
  3. three Ca2+ ions
  4. four Ca2+ ions
More Questions
TLS Online TPP Program

#Question id: 2544

#Unit 2. Cellular Organization

Asbestos is a material that was once used extensively in construction. One risk from working in a building that contains asbestos is the development of asbestosis caused by the inhalation of asbestos fibers. Cells will take up asbestos by phagocytosis, but are not able to degrade it. As a result, asbestos fibers accumulate in ________.

TLS Online TPP Program

#Question id: 2545

#Unit 2. Cellular Organization

If plant cells are grown on media containing radioactively labeled thymine for one generation, radioactively labeled macromolecules will be detected in which of the following?

TLS Online TPP Program

#Question id: 2546

#Unit 2. Cellular Organization

In a liver cell detoxifying alcohol and some other poisons, the enzymes of the peroxisome remove hydrogen from these molecules and ________.

TLS Online TPP Program

#Question id: 2547

#Unit 2. Cellular Organization

Suppose a cell has the following molecules and structures: enzymes, DNA, ribosomes, plasma membrane, and mitochondria. It could be a cell from ________.

TLS Online TPP Program

#Question id: 2548

#Unit 2. Cellular Organization

The cell walls of bacteria, fungi, and plant cells, and the extracellular matrix of animal cells are all external to the plasma membrane. Which of the following characteristics are common to all of these extracellular structures?

TLS Online TPP Program

#Question id: 2549

#Unit 2. Cellular Organization

A mutation that disrupts the ability of an animal cell to add polysaccharide modifications to proteins would most likely cause defects in which of the following organelles or structures?