Exam 3: Cells: the Living Units

The speed of individual particle diffusion is influenced by temperature and particle size, not by concentration.

Figure 3.1Using Figure 3.1, match the following: -Replicate for cell division.

How is the resting potential formed? How is it maintained?

Which of the following statements is most correct regarding the intracellular chemical signals known as "second messengers"?

Figure 3.1Using Figure 3.1, match the following: -The RNA that has an anticodon and attaches to a specific amino acid is RNA.

Figure 3.1Using Figure 3.1, match the following: -In all living cells hydrostatic and osmotic pressures exist. Define these pressures and explain how they are used in the concept of tonicity of the cell.

Figure 3.1Using Figure 3.1, match the following: -Why can we say that cells are protein factories?

How are peroxisomes different from lysosomes?

Which statement is the most correct regarding transcription/translation?

If the nucleotide or base sequence of the DNA strand used as a template for messenger RNA synthesis is ACGTT, then what would be the sequence of bases in the corresponding mRNA?

Which of the following does not serve as a signal for cell division?

Figure 3.2Using Figure 3.2, match the following: -Hollow cylinders that connect plasma membranes composed of transmembrane protein are called .

Interstitial fluid represents one type of extracellular material.

Figure 3.1Using Figure 3.1, match the following: -Forms the mitotic spindle.

Which of the following would not be a constituent of a plasma membrane?

Figure 3.2Using Figure 3.2, match the following: -Nonpolar region of phospholipid.

Introns represent a genome scrap yard that provides DNA segments for genome evolution and a variety of small RNA molecules.

The glycocalyx is often referred to as the "cell coat," which is somewhat fuzzy and sticky with numerous cholesterol chains sticking out from the surface of the cell membrane.

What are cell exons and introns?