Resolution of a microscope refers to:
The sharpness or clarity of an image
The detailed structure of a chloroplast can be seen with the best resolution by using:
Transmission electron microscopy
In an animal cell fractionation procedure, one of the last pellets from the series of centrifugations would most likely contain
ribosomes
Which of the following is not found in a prokaryotic cell
mitochondria
The cells of an ant and an elephant are, on average, the same size; an elephant just has more cells. What is the main advantage of small cell size?
A small cell has a larger surface area relative to cytoplasmic volume, facilitating sufficient exchange of materials.
Proteins that function within the cytosol are generally synthesized
By free ribosomes
The pores in the nuclear envelope provide for the movement of
All of the above
A fluorescent green tag is attached to a protein being synthesized and inserted into an area of rough ER membrane. Which of the following is a possible route for that protein to follow?
Rough ER to transport vesicle to Golgi to vesicle to plasma membrane to food vacuole
A growing plant cell elongated primarily by
Taking up water into its central vacuole
Which of the following is not a similarity among nuclei, chloroplast, and mitochondria
They are derived from the endoplasmic reticulum system
Which of the following is a major component of the plasma membrane of a plant cell
Phospholipids
Microtubules are components of or associated with all of the following except
amoeboid movement
Which of the following characteristics are shared by cristae of mitochondria, thykaloids, and microvilli
Have large surface area of membrane that enhances their particular function.
The innermost portion of the cell wall of a plant cell specialized for support is the
Secondary cell wall
plasmodesmata in plant cells are similar in function to
Gap junctions
Which of the following structures are involved in the relay of external information into a cell
All of the above
Which of the following is incorrectly paired with its function
lysosome- food sac formed by phagocytosis
In which cells would you expect to find the most tight junctions
Epithelial cells lining the digestive tract
In which ells would you expect to find the most lysosomes
Macrophages that engulf bacteria
In which cells would you expect to find the most endoplasmic reticulum
Ovarian cells that produce estrogen
In which cells would you expect to find the most bound ribosomes
Pancreatic cells that manufacture digestive enzymes
In which cells would you expect to find the most mitochondria
Muscle cells in the thigh muscle of a runner