Use them to answer questions 1 - 4.
I. New properties emerge at each level in the biological hierarchy.
II. Organisms interact with other organisms and the physical environment.
III. Life requires energy transfer and transformation.
IV. Structure and function are correlated at all levels of biological organization.
V. Cells are an organism's basic units of structure and function.
VI. The continuity of life is based on heritable information in the form of DNA.
VII. Feedback mechanisms regulate biological systems.
VIII. Evolution accounts for the unity and diversity of life.
1. Which theme(s) is/are best illustrated by an experiment in which a biologist seeks a medication that will inhibit pain responses in a cancer patient?
A) II
B) VII
C) III and V
D) V and VIII
E) VI and VII
Answer: B
2.Which theme(s) is/are best illustrated by a group of investigators who are trying to classify and explain the ecology of an area known as the Big Thicket?
A) I onlyB) II only
C) VIII only
D) IV and VI
E) I and II
Answer: E
3. Which theme(s) is/are illustrated when a group of students is trying to establish which phase of cell division in root tips happens most quickly?
A) IV onlyB) V only
C) VII only
D) IV, V, and VI
E) V, VI, and VII
Answer: D
4. Which theme(s) is/are illustrated when a biology class is comparing the rates of photosynthesis between leaves of a flowering plant species (Gerbera jamesonii) and a species of fern (Polypodium polypodioides)?
A) I onlyB) II only
C) I and III
D) I and VII
E) I, III, and V
Answer: E
Learn More :
Biology
- The role of a metabolite that controls a repressible operon is to
- Sutherland discovered that epinephrine signals
- In general, a signal transmitted via phosphorylation of a series of proteins
- The receptors for a group of signaling molecules known as growth factors are often
- Receptor tyrosine kinases (RTKs) are found at high levels on various cancer cells. A protein, Herceptin, has been found to bind to an RTK known as HER2. This information can now be utilized in breast cancer treatment if which of the following is true?
- Since steroid receptors are located intracellularly, which of the following is true?
- Because most receptors are membrane proteins, which of the following is usually true?
- One of the major categories of receptors in the plasma membrane reacts by forming dimers, adding phosphate groups, and then activating relay proteins. Which type does this?
- Which of the following is true of transcription factors?
- Testosterone functions inside a cell by
- Which of the following is true for the signaling system in an animal cell that lacks the ability to produce GTP?
- Of the following, a receptor protein in a membrane that recognizes a chemical signal is most similar to
- When a neuron responds to a particular neurotransmitter by opening gated ion channels, the neurotransmitter is serving as which part of the signal pathway?
- In an experiment to track the movement of growth factor molecules from secretion to the point of receptor binding in a particular species of mammal, a student found a 20-fold reduction in mm traveled when in the presence of an adrenal hormone. This is in part attributable to which of the following?
- In which of the following ways do plant hormones differ from hormones in animals?
- In yeast signal transduction, the yeast cells
- In the formation of biofilms, such as those forming on unbrushed teeth, cell signaling serves which function?
- Which of the following is characterized by a cell releasing a signal molecule into the environment, followed by a number of cells in the immediate vicinity responding?
- Which of the following is a likely explanation of why naural selection favored the evolution of signals for sexual reproduction?
- What is most likely to happen to an animal's target cells that lack receptors for local regulators?
- Using the yeast signal transduction pathways, both types of mating cells release the mating factors. These factors bind to specific receptors on the correct cells,
- Which process is most directly driven by light energy?
- In mechanism, photophosphorylation is most similar to
- Which of the following does not occur during the Calvin cycle?
- Which of the following statements is a correct distinction between autotrophs and heterotrophs?
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.