BIOL2401 Lesson 3

Is the function of the plasma membrane to control the movement of substances into and out of the cell?

Neurotransmitter release from a cell is an example of:

What could happen if cell division was too infrequent?

If a tRNA had an AGC anticodon, it could attach to a(n) ________ mRNA codon.

Does cytoplasm division occur during mitosis?

If cells are placed in a hypertonic solution containing a solute which the membrane is impermeable, what could happen?

What is the role of the rough ER in protein synthesis?

What happens during the initiation phase of translation?

Which of the following describes the plasma membrane?

What happens during DNA replication?

What happens during the telophase stage of mitosis?

What happens during the elongation phase of translation?

What happens during the three phases of translation?

The RNA responsible for bringing the amino acids to the ribosome for protein formation is ________.

What happens when the regulation of the cell cycle fails?

Chromosomes uncoil to form chromatin.

What is the function of centrosomes?

What is the function of vesicles?

What is needed for DNA replication?

Each daughter cell resulting from mitotic cell division has the exactly same genetic composition.

Dense spherical bodies in the nucleus that are the synthesis site for ribosomal RNA.

What is the function of cilia?

The genetic code found in DNA determines the structure of proteins made by the cell (by coding amino acids) .  

What is the function of RNA polymerase during transcription?

Which molecule is permeable?

Osmosis is the passive movement of water; laws of physics are opposite compared to the diffusion of ions.

What happens during interphase?

What happens during mitosis?

What are the three phases of transcription?

What is passive transport?

All cells in the body divide at the same rate.

What happens during elongation in translation?

What is the function of a ribosome in translation?

What is mitosis?

Allows ions and small molecules to pass through from one cell to another.

What are the three types of cell junctions?

Nuclear membrane and nucleolus disintegrate.

What is the function of microvilli?

PAST: What structural level is represented by the coiling of the protein chain backbone into an alpha helix?

Addition or deletion of bases during replication or transcription results in changes in DNA sequence called:

What is the function of the nucleolus?

Help prevent molecules from passing through the extracellular space between adjacent cells.

What is the physical basis for the "mitotic clock", which controls the number of divisions one cell can undertake?

What is the function of peroxisomes?

What is the function of lysosomes?

PAST: The numbers represent the electrons in the 1, 2, and 3 energy levels. Which is an unstable or reactive atom?

What is the role of the rough ER in protein synthesis?

What is the function of flagella?