Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
Question 1: Mitochondrial DNA is/are A) similar to nuclear DNA sequences. B) circular C) information storage for enzymes associated with photorespiration. D) associated with paternal inheritance patte
A patient comes into the emergency department having deficits in the sensations of her right foot and is diagnosed as having had a stroke.
What unit is used to describe the resolution of a microscope? how does this unit compare to that used to describe the resolution for a computer screen?
What is the difference between a class I and a class II topoisomerase? What is DNA gyrase? Why is it important to maintain the chromosomes in "supercoiled domains"?
How do sigma factors allow for the modulation of gene expression? What two common ways discussed in lecture can sigma factor activity/expression undergo modulation?
Question 1: How does the rate of mutation in mammalian mitochondrial genomes compare to the rate of mutation in the nuclear genome? Question 2: Why do human mitochondrial mutations commonly result i
Describe how the body maintains homeostasis in regulating glucose metabolism in the body. Tell what happens when there is too much or too little of each major regulatory hormone.
Question 1: What do the introductions of species to new parts of the world tell us about interactions between species? Question 2: What is the best strategy for harvesting wild animals for meat?
Explain how the pattern of mortality is likely to change as a population approaches, meets and then exceeds the carrying capacity of its environment in scramble competition.
Question 1: What is stochastic variation? Question 2: Name three types of stochastic variation and describe how each of them affects the chances of extinction of very small and very large populatio
Question 1: What is ferulic acid?Question 2: Why would lower levels of ferulic acid increase straw digestibility at the molecular level?The causative mutation is mapped to a gene that encodes a glycos
Discuss how techniques of genetic manipulation can contribute to improving tolerance of plants to abiotic stress.
Assuming a genome length of 2.4 Gbp and assuming that mutations were randomly distributed throughout the genome, what is the average distance between mutations before backcrossing?
Question 1: Describe how plant communities in natural and realigned salt marshes might be different. Question 2: Which environmental or biological variables best explain the observed differences and w
Give two advantages and two disadvantages of chloroplast transformation compared to nuclear transformation.
Pus a) is a fluid containing dead cells and leukocytes. b) may be reabsorbed by the body. c) may be found in abscesses.
Identify the three filters that determine whether an organism will be present within an environment. What are the three components of water potential for plants?
List four functional activities of the normal human microbiome, useful to their human hosts, that have been used to suggest that the gut microbiome is an "organ" in its own right.
Becca has the flu. What type of immunity is being produced by her body? a)Naturally-acquired passive immunity b)Artificially-acquired active immunity
The prokaryotic cell membrane is the site of: a. ATP energy generation from respiration or photophosphorylation. b. proteins that allow the cell to sense environmental conditions.
Question 1: How does blind luck randomly change allele frequencies and thus violate one of the assumptions of hardy weinburg? Question 2: How does strength of selection influence rate of fixation or l
Describe the two different strategies that nitrogenfixing bacteria use to prevent their nitrogenases coming into contact with oxygen.
Name a strategy other than mycorrhizal symbiosis that some plants have evolved to enhance phosphate acquisition.
Define what ectomycorrhizal and arbuscular mycorrhizal associations are, and compare and contrast their role in plant nutrition.
Name three factors that contributed to increases in annual grain yields in the Rothamsted Broadbalk continuous wheat experiments.