Exam 3: Cellular Level of Organization

Write out the term for tRNA.

The triplet codes needed to specify a specific polypeptide chain are found in the

Breathing faster and deeper eliminates more carbon dioxide from the body than normal breathing. Under these circumstances

A membrane transport process is found experimentally to have a saturation limit. Which of the following is a possible property of the process?

The control center for cellular operations is the

Which form of endoplasmic reticulum modifies and packages newly synthesized proteins?

Figure 3-1 Use Figure 3-1 to answer the following questions -Which structure is water most likely to pass through?

Red blood cell shrinkage is to ________ as cell bursting is to ________.

A unit in messenger RNA consisting of a set of three consecutive nucleotides is termed a(n)

As each codon arrives at the active site of a ribosome, it attracts another molecule containing the anticodon. This molecule is called

The nucleus is surrounded by the ________.

Osmotic pressure

Cell membranes are said to be ________ because they allow some substances to pass but not others.

Renewal or modification of the cell membrane is a function of the

Assume that the transport of a particular amino acid across the plasma membrane is observed (1) to occur only down its concentration gradient and (2) to slow when a similar amino acid is added to the extracellular fluid. The movement of the amino acid through the membrane is most likely by

Generally, cells with a very brief interphase and lacking a G₀ phase

Masses of insoluble material that are sometimes found in cytosol are known as ________.

The anticodon for the triplet UCA is

All of the following membrane transport mechanisms are passive processes, except

If the amount of chloride ion in blood plasma increases, which of the following would initially occur?