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1. Consider a plant 20 cm tall growing in well watered soil. Ina dark and humid greenhouse, in the middle of the night, you measure the turgor pressure of aliving leaf cell of this plant using a probe inserted in the cell. You find that the turgor pressureis 1.9 MPa. Given the current conditions, what is your prediction of the osmotic potential ofthis cell?2. If you were to study a similar cell (from question 1), undersimilar environmental conditions (night, saturating humidity, turgor pressure = 1.9 MPa), foundat the top of a redwood tree on a misty night in California. How would your prediction of theosmotic potential change if you knew that the cell was located at the top of a 100 m tall tree?Explain the reason for the change in your prediction using the water potentialequation.
q1. glucose c6h12o6 could exist as both an open-chain form and a closed-ring form. before 1900 glucose was only thought
If you grew that mutant in glucose, lactose, IPTG, and glucose and lactose how would the galactosidase activity differ from an E. coli strain containing a functional lac operon?
A cross between two plants that both have yellow flowers produces 80 offspring plants, of which 38 have yellow flowers, 22 have red flowers and 20 have white flowers.
Why are grasses (rather than, fro example, daisies or carrots) often planted for erosion control?
Based on this information, explain the pattern of inheritance. Be sure to include the genotypes of the green parents and all four phenotypic classes, as well as the fraction of the total progeny that each phenotypic class represents in your answer..
The genotype of F1 individuals in a tetrahybrid cross is AaBbCcDd. Assuming independent assortment of these four genes, what are the probabilities that F2 offspring would have the following genotypes?
Discuss what biodiversity means and how it has been affected by natural and man-made pathways.
some gram negative bacterial cells are considered non-autolytic which means they will not lyse or break down
Is the DNA strand that serves as the template for RNA polymerase transcribed in the 5’-to-3’ direction? Which end of the mRNA molecule is translated first? Which end of the polypeptide encoded in the mRNA is synthesized first?
There has not been rain for many months. A biologist is driving down the highway and notices that a big number of corn fields have corn that is wilted and short.
The objective of the study is to assess how systolic blood pressure changes over time untreated. Systolic blood pressures are measured at baseline and again 4 weeks later Is there a statistically significant difference in blood pressures over time..
DNA polymerase requires a primer and cannot initiate synthesisde novo. What serves as a primer for DNAreplication?
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