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what is the effect of uncoupling photosystem 1 from photosystem 2 on the hill reaction and why? how can this be used to develop chemical herbicides? how can this be used to study the relative reaction rates of each photosystem independently? can oxygen production be used to measure photosynthetic activity? would oxygen be produced in the presence of chemical uncouplers such as DCMU? a white light source was used in this experiment. would you expect to find photosynthetic activity at all wavelengths? why or why not?
Why do you think the haploid part of the plant cycle has evolved to be short and microscopic in seed?plants in comparison to the conspicuous gametophytes common in liverworts or mosses? Why do angiosperms have evolved colorful flowers.
What are transposable elements? Explain two ways they can move and three influences they have had on genome evolution.
Contrast the genetic composition of gametes derived from tetrads of inversion heterozygotes where crossing over occurs within a paracentric versus a pericentric inversion.
Estimate the proportion of various phenotypes in matings between individuals that are blood type AB and type O, both of whom are Se/se.
he pyrimidine and purine bases are nitrogen containing compounds. What is the source of nitrogen for these two ring systems? In most examples,
What are some potential research questions that would be interesting to ask of the species prepare a hypothesis and an experiment to test your hypothesis.
What are the brief and basic steps that are widely believed to have resulted in the origin of the 1st bacteria from nonliving precursors?
Why don't cells last the entire lifetime of an organism.
Which organelle generates oxygen? Which organelle consumes oxygen? Explain why are viruses not considered to be living?
Investigate how scientists are using bacteria to create antibiotics that fight drug-resistant bacteria strains. Summarize the research in a Paragraph.
An individual with a disease demonstrates a set phenotypic presentation, Another individual with the same phenotypic presentation is discovered. When we sequence their genome, we find that there are two distinct DNA sequences involved, both differ..
At one end there is an aldehyde group (call this carbon atom 1). All the other carbon atoms carry OH groups -- they are, then, alcohol functional groups, 5 of them.
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