anatomy chapter 3 – Flashcards

Which of the following is FALSE regarding the membrane potential?

In certain kinds of muscle cells, calcium ions are stored in ________.

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

A red blood cell placed in pure water would ________.

Which of the following describes the plasma membrane?

Which of the following structures would aid a cell in allowing more nutrients to be absorbed by the cell?

Which of the following statements is correct regarding net diffusion?

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

Riboswitches are folded RNAs that act as switches to turn protein synthesis on or off in response to ________.

Which of the following is a function of a plasma membrane protein?

Which of the following statements is correct regarding RNA?

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

Mitosis ________.

The electron microscope has revealed that one of the components within the cell consists of pinwheel array of 9 triplets of microtubules arranged to form a hollow tube. This structure is a ________.

Which of these is an inclusion, not an organelle?

Which of the following is not a factor that binds cells together?

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 transport process is the main mechanism for the movement of most macromolecules by body cells?

Passive membrane transport processes include ________.

Which of the following is NOT a function of the smooth endoplasmic reticulum?

Mitochondria ________.

Peroxisomes ________.

Which of the following is NOT a function of lysosomes?

Which of the following is a principle of the fluid mosaic model of cell membrane structure?

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

The main component of the cytosol is ________.

The functions of centrioles include ________.

A gene can best be defined as ________.

Some hormones enter cells via ________.

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

Bone is a connective tissue that provides support for the body with its strength and rigidity. Which of the following provides the best explanation for how this is so?

If a human cell were to increase the amount of cholesterol embedded within its plasma membrane which of the following would most likely happen?

Cancerous cells can divide so rapidly that they will often produce a glycocalyx that is different than the other cells in the body. This may result in ________.

The myocardium (cardiac muscle tissue) undergoes a significant amount of physical stress due to its contractions. You would expect to see relatively large numbers of which of the following embedded within their plasma membrane?

Which of the following will NOT speed up the net rate of diffusion for glucose into a cell?

The lungs deliver a regular supply of oxygen to the blood, which is in turn circulated to most all the cells of the body. At the same time oxygen is consumed during aerobic cellular respiration within these cells. This implies that ________.

The movement of water across the plasma membrane can be described by all of the following EXCEPT ________.

If active transport establishes a concentration gradient with the use of ATP, then the concentration gradient can be looked at as ________.

Which of the following would not be restricted (limited) by low levels of ATP?

A cell engulfing a relatively large particle will likely utilize ________.

If a cell is non-selectively engulfing samples of extracellular fluid, for example to absorb nutrients, it will likely utilize ________.

If a cell is selectively reducing the concentration of a particular enzyme in the extracellular fluid it will likely utilize ________.

A type of transport protein found in the plasma membrane of cells lining the inside of the intestine allows sodium ions to diffuse down their concentration gradient. The ions move through the transport protein, and into the cell. These transport proteins will use the kinetic energy of the diffusing sodium ions to bring glucose into the cells as well. This transport protein would best be described as ________.

A type of transport protein found in the plasma membrane of cells lining the inside of the intestine allows sodium ions to diffuse down their concentration gradient. The ions move through the transport protein, and into the cell. These transport proteins will use the kinetic energy of the diffusing sodium ions to bring glucose into the cells as well. Which of the following would stop transport of glucose through this transport protein?

Which of the following would NOT assist in establishing a resting membrane potential?

When tissues are injured or infected, chemical signals can be releases that affect the plasma membrane of cells that line the nearby blood vessels. These blood vessels cells (endothelial cells) respond to the chemical signals by displaying a type of glycoproteins on their surface. These proteins will attach to circulating white blood cells bringing them to the site of injury or infection. These glycoproteins would best be described as ________.

Myocardium (cardiac muscle tissue) must rhythmically contract for a lifetime. This requires a considerable amount of energy production by the cells. You would expect to see a relatively high amount of which organelle in these cells?

Beta cells in the pancreas produce and secrete the protein hormone insulin. You would expect to see a relatively large amount of which organelles in these cells?

Colchicine is a drug that can prevent the formation of microtubules. Which is the most likely affect colchicine would have on cell division?