If vaccinia viruses were not both immunogenic and relatively benign, they would likely not be a favored vehicle for vaccinations

Indicate whether the statement is true or false.


Answer: TRUE

Biology & Microbiology

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Which is NOT a checkpoint in the cell cycle?

A. the transition from G1 to S phase B. the transition from G2 to M phase C. the transition from M phase to G1 D. the beginning of M phase E. All of these choices are checkpoints in the cell cycle.

Biology & Microbiology

Based on the animal cognition experiments you have learned about, if you wanted to design a test of animal cognition, what might you include in your experiment? (Check all that apply)  

_____  Count the number of individuals in a colony. _____  Create a problem for the animal to solve, like getting a treat out of a box. _____  Determine ahead of time what parameters to record as data, such as how long it takes the animal to retrieve the treat. _____  Determine the hormonal basis of caste differences. _____  Expose the animal to the same scenario again later. _____  Focus on careful quantitative analysis of fixed action patterns. _____  Include a negative control. _____  Include multiple subjects. _____  Measure the frequency of response to sign stimuli. _____  Provide tools for the animal to use. Clarify question: What is the key concept addressed by the question? What type of thinking is required? Gather Content: What do you already know about animal cognition experiments? What other information is related to the question?  Choose Answer: Given what you now know, what information is most likely to produce the correct answer? Reflection on Process: Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

Biology & Microbiology

Compare and contrast the advantages and disadvantages of gas exchange in terrestrial and aquatic

environments. What will be an ideal response?

Biology & Microbiology

Which phrase best describes sister chromatids?

a. two chromosomes having an identical DNA sequence b. two chromosomes having different alleles of the same genes arranged in a different order c. two chromosomes having the same alleles of the same genes in a different order d. two chromosomes having the same genes in the same order, but having different alleles

Biology & Microbiology