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Bio Exam 1
Terms in this set (39)
uses a systematic approach to asking questions
According to the Principle of Parsimony (Occam's Razor), scientists should (a) only consider falsifiable hypotheses (b) simplify their conclusions so that the public can understand them (c) consider simple hypotheses first (d) use inductive reasoning (e) avoid type I and type II errors (f) use deductive reasoning
consider simple hypotheses first
Which of the following is NOT a characteristics of a good scientific hypothesis?
takes the form of an "if-then" statement
Jane came home from a hike and found a tick attached to her leg. She carefully removed it, and looked for symptoms of Lyme disease of the next month. She had a low grade fever for a few days, so decided to be prudent and see her doctor. The doctor took a blood sample and sent it off to be tested. The test came back negative. A year later she had full-blown chronic Lyme disease. Assuming she was not infected by another tick, which error type can be assigned to the blood test?
Type II error
The words fact and theory are opposites. Facts are proven theories.
Which of the following is NOT a typical motivation for making a claim based in pseudoscience?
pursuit of the truth
Consider the Paluxy dinosaur tracks. Once the tracks that were claimed to be coexisting human tracks were shown by experts to be a manufactured deception, many creationists still show the pictures and cite them as evidence that humans and dinosaurs coexisted. Which of the following "red flags" of pseudoscience best applies to the continuance of the claim?
Dogmatic hypotheses are retained without openness to modification.
Which of the following would NOT be considered a pseudoscientific claim?
The search for evidence of extraterestrial life is part of the NASA mission.
TV clairvoyants such as John Edwards and Tyler Henry usually get very emotional responses when they mention (guess) something that rings true about a dead relative or friend of the celebrity guest. Which of the following "red flags" of pseudoscience would NOT apply here?
All of these apply to the claims made by TV clairvoyants.
Which of the following cases is often cited by creationists as evidence that evolutionary theory is a bogus idea?
The Piltdown Man affair.
Which of the following can be viewed as a violation of the Laws of Thermodynamics?
None of these are violations the Laws of Thermodynamics.
Animals belong to which domain of life?
Which of the following is NOT an attribute of a living system?
All of these are attributes of living systems
Which of the following is NOT a characteristic of prokaryotic cells?
presence of specialized organelles
Which of the following is NOT a tenet of the Theory of Evolution?
All cells arise from pre-existing cells.
Which of the following statements is NOT consistent with evolutionary (i.e. is not a valid statement)?
All of these are valid and consistent with evolutionary theory.
The current antibiotic resistance crisis illustrates the operation of natural selection pretty much exactly as Charles Darwin described.
Which of the following statements is NOT a possible trajectory or pathway that a character can take over evolutionary time?
The character can become a disadvantage in a new environment and become reduced or eliminated in future populations.
The character can become increasingly better in function over time.
The character can be modified to perform a related but different function.
Which of the following does NOT apply correctly to the process of speciation?
Speciation usually involves the gradual transformation of one species into another.
DNA evidence leaves little doubt that all life has common ancestry.
Isotopes of an element differ in their
Which of the following describes an interaction between water molecules?
Which of the following has a higher pH value?
an alkaline or basic solution
Which of the following statements does NOT correctly describe an aspect of the property of water known as surface tension?
ST prevents insects from standing on the surface of a lake.
Which of the following is NOT considered to be a major element comprising all organisms (i.e. a macronutrient)?
Which of the following statements about monosaccharide function is FALSE?
Form the backbone of triglycerides.
Building blocks of oligosaccharides.
Component of DNA.
Which of the following molecule types is constructed using two fatty acid molecules?
Which of the following is a fibrous protein?
When a peptide bond is made during protein synthesis, which type of reaction occurs?
Proteins to be secreted are modified
in the Golgi.
Cellular respiration occurs primarily in which cellular compartment? (a) nucleus (b) mitochondrion (c) lysosome (d) chloroplast (e) Golgi (f) cilia and flagella
When a newly-formed cell grows and matures, new mitochondria are made. They originate from
the division of existing mitochondria.
Which of the following does NOT correctly apply to the protein tubulin?
Which of the following is synthesized in the smooth ER (endoplasmic reticulum)?
A reaction or process which requires the expenditure of ATP is said to be exergonic.
Which of the following statements does NOT apply correctly to ezymes
Enzymes are consumed during the reaction they control.
The energy released from an exergonic reaction may be harnessed to make a coupled endergonic reaction thermodynamically possible.
The direct function of ATP is to transfer a phosphate group to a molecule, such as glucose, dropping the molecule to a lower energy level.
The process of diffusion is an ________ process that applies to the movement of _______ particles.
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A researcher chooses a plasmid with a gene that confers resistance to the antibiotic ampicillin. She isolates and tries to insert a human gene that codes for a protein into the plasmid. Next, she transforms bacteria using the plasmid. She then cultures the new bacteria on a nutrient medium containing ampicillin. What can the researcher conclude about the bacteria that grow on the nutrient medium? I. They are resistant to ampicillin. II. They contain recombinant DNA. III. They contain a human gene. (A) I only (B) II only (C) I and III only (D) II and III only (E) I, II, and III
Vascular tissue helps plants transport water against the force of gravity. Because of this, plants that lack vascular tissue do not grow very tall. How is this situation similar to the information you have learned in this lesson? Explain.
How might a sudden thunderstorm affect the rock walls of a canyon in the High Plains?