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The cathas 36 pairs of chromosomes in its somatic cells.(a) Howmany chromosomes are present in a cat's spermcells?
(b) Howmany sister chromatids are present in a cell that is entering thefirst meiotic division?
(c) In a cell that is entering the secondmeiotic division?Facts and concepts:1. Chromosomes come in pairs - that is, there are two homologouschromosomes in each pair.
2. Chromosome duplication creates two sister chromatids for eachchromosome in the cell.
3. The first meiotic division reduces the number of duplicatedchromosomes (and the number of sister chromatids present) by afactor of two.
4. The second meiotic division reduces the number of sisterchromatids by another factor of two.
The mutated form of hemoglobin in sickle-cell anemia results from the replacement of a glutamate residue by a valine residue at position 6 in the chain of the protein.
A drug has a molec. weight of 200. Determine how many grams would you use to make 100 ml of a solution that is isotonic? Suppose that the diluent is distilled water and that the drug does not ionize in water.
on syphilis compose a two-page report evaluating the feasibility of each disease control strategy. analyze the
Restriction endonucleases are especially useful if they generate "sticky" ends. What makes an end "sticky" and why is this especially useful for inserting DNA fragments into plasmid DNA?
what type of evolutionary or ecologicalexperiment(in theory) can i do with red tailed boas (Boa Constrictor constrictor) orany other type snake for that matter? your ideas are greatly appreciated thank you.
Describe, in detail, the components of The Central Dogma as it relates to Escherichia coli. Include the location of each cellular process, and the mechanisms of regulation at each level.
A crude cell-free extract of a skeletal muscle contained 32 mg protein/ml. Ten ul (microlitres) of the extract catalyzed a reaction at rate of 0.14 umole/min under standard optimum assay conditions.
How is blood pressure regulated? Your answer should include local control mechanism as well as control from the endocrine and nervous systems. What kind of feedback is involved?
q. fibrinopeptides proteins involved in the blood clotting among other functions are called to have high amino acid
Keeping blood pressure constant, if a vessel dilated to twice its original diameter, what would be the effect on blood flow
Discuss the limitations upon cell size imparted by unfavorable changes in the surface area to volume (SA/V) ratioas cells have become larger in evolutionary time. How does the presence of a compartmentalized cytoplasm reduce
What is the effect on translation of the action of tetracycline? In your answer be sure to describe the normal steps to ribosome assembly and protein translation.
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