MICROBIOLOGY-MASTERING MICRO.-ACCESS
11th Edition
ISBN: 9780321802705
Author: Tortora
Publisher: PEARSON
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Chapter 2, Problem 7R
DRAW IT The artificial sweetener aspartame, or NutraSweet, is made by joining aspartic acid to methylated phenylalanine, as shown below.
- a. What types of molecules are aspartic acid and phenylalanine?
- b. What direction is the hydrolysis reaction (left to right or right to left)?
- c. What direction is the dehydration synthesis reaction?
- d. Circle the atoms involved in the formation of water.
- e. Identify the peptide bond.
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4. This question focuses on entrainment.
a. What is entrainment?
b. What environmental cues are involved in entrainment, and which one is most influential?
c. Why is entrainment necessary?
d. Assuming that a flash of darkness is an effective zeitgeber, what impact on circadian
rhythms would you expect to result from an event such as the 2024 solar eclipse (assume
it was viewed from Carbondale IL, where totality occurred at about 2 pm)? Explain your
reasoning. You may wish to consult this phase response diagram.
Phase Shift (Hours)
Delay Zone
Advance Zone
Dawn
Mid-day
Dusk
Night
Dawn
Time of Light Stimulus
e. Finally, give a real-world example of how knowledge of circadian rhythms and
entrainment has implications for human health and wellbeing or conservation biology.
This example could be from your reading or from things discussed in class.
Generate one question that requires a Punnet Squre to solve the question. Then show how you calculate the possibilities of genotype and phenotype
Briefly state the physical meaning of the electrocapillary equation (Lippman equation).
Chapter 2 Solutions
MICROBIOLOGY-MASTERING MICRO.-ACCESS
Ch. 2 - What is a chemical element?Ch. 2 - DRAW IT Diagram the electronic configuration of a...Ch. 2 - What type of bond holds the following atoms...Ch. 2 - Classify the following types of chemical...Ch. 2 - Bacteria use the enzyme urease to obtain nitrogen...Ch. 2 - Classify the following as subunits of either a...Ch. 2 - DRAW IT The artificial sweetener aspartame, or...Ch. 2 - DRAW IT The following diagram shows the...Ch. 2 - Prob. 9RCh. 2 - Prob. 10R
Ch. 2 - Assume E. coli bacteria are grown in a nutrient...Ch. 2 - If Pseudomonas bacteria are supplied with...Ch. 2 - If E. coli were grown in a medium containing the...Ch. 2 - Prob. 4MCQCh. 2 - Prob. 5MCQCh. 2 - Prob. 6MCQCh. 2 - The dissociation products of the molecules are...Ch. 2 - Prob. 8MCQCh. 2 - The dissociation products of the molecules are...Ch. 2 - Prob. 10MCQCh. 2 - When you blow bubbles into a glass of water, the...Ch. 2 - Prob. 2ACh. 2 - Prob. 3ACh. 2 - Prob. 4ACh. 2 - Prob. 1CAECh. 2 - Prob. 2CAECh. 2 - Newborn babies are tested for phenylketonuria...Ch. 2 - The antibiotic amphotericin B causes leaks in...Ch. 2 - Prob. 5CAE
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- Explain in a small summary how: What genetic information can be obtained from a Punnet square? What genetic information cannot be determined from a Punnet square? Why might a Punnet Square be beneficial to understanding genetics/inheritance?arrow_forwardIn a small summary write down:arrow_forwardNot part of a graded assignment, from a past midtermarrow_forward
- Noggin mutation: The mouse, one of the phenotypic consequences of Noggin mutationis mispatterning of the spinal cord, in the posterior region of the mouse embryo, suchthat in the hindlimb region the more ventral fates are lost, and the dorsal Pax3 domain isexpanded. (this experiment is not in the lectures).a. Hypothesis for why: What would be your hypothesis for why the ventral fatesare lost and dorsal fates expanded? Include in your answer the words notochord,BMP, SHH and either (or both of) surface ectoderm or lateral plate mesodermarrow_forwardNot part of a graded assignment, from a past midtermarrow_forwardNot part of a graded assignment, from a past midtermarrow_forward
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