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The osmolarity of human plasma is normally 290 milli-osmoles per liter (0.29 Osmolar). Use a value of 300 milliosmoles/liter (300 mOsM) in solving the problems below.
1. A drug that does not dissociate has a molecular weight of 300. If 300 g of this drug are dissolved in 1000 ml of water, what is the osmolarity (in Osmols/liter or mOsmols/liter) of the resulting solution?
What is estimated density of firs in the forest. Why then is the gene called Dorsal, and not, for instance, Ventral.
What sorts of plants will you select for crossing. Describe how allergies, common cold or influenza change the structures of the respiratory system and cause decrease in gas exchange.
A storm brings two formerly separated populations of beetles together. They look very similar. Under the biological species concept, which would show that the two populations are different species.
Compare and contrast prokaryotic and eukaryotic cells. If shape and colour of radishes are both due to genes with partly dominant alleles, crossing two dihybrid heterozygotes will produce how many different phenotypes.
plan the structure of butanol and show water molecules in hydrogen bonds to the butanol. How many should there be? remember the H bonding rules.
make an experiment to test what happens (i.e. what is the final plasmid DNA content of cells in a transformed colony) if a competent cell is transformed with circular double-stranded plasmid DNA where there is a mis-match (e.g. a G-T base-pair ins..
In squash, disc shaped fruit is dependent on dominant gene D and elongated fruit on recessive allele d. Yellow color is controlled by dominant gene R and green color by recessive allele r. Draw a cross between the homozygous squash fruits and summ..
Glucose and sucrose showed a reaction. Lactose and galactose didn't. Why?Glucose and sucrose easily made alcohol.
Dialysis patients, who will have blood withdrawn, dialyzed, then replaced, are always weighed while they enter the facility and then weighed carefully before they leave. What is the most probable explanation for this requirement.
Which declaration is NOT true about DNA replication. Replication can only begin at distinct regions known as origins of replication.
what ways are the mechanisms of action similar. CA2+, IP3, and cAMP have all been described as second messengers.
These experiments demonstrated that DNA is the genetic material of phage and that protein does not transmit genetic information. Can this same experiment be carried out with 35S and 14C? Describe it.
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