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Q1. Which of the classes of RNA molecules is linked with proteins in form the large and small subunits of a cytoplasmic structure?
A) ribosomal RNA
B) transfer RNA.
C) messenger RNA
D) primary RNA transcript
Q2. In birds, males are ZZ and females are ZW. A recessive lethal allele that causes death of the embryo is sometimes present on the Z chromosome in pigeons. This locus is hemizygous in females (ZW). What will be the sex ratio in the offspring of a cross between a male that is heterozygous for lethal allele and a normal female?
What phenotypic results would occur in a cross between a member of an mt+ strain resistant in both genes and a member of a strain sensitive to the antibiotic? What results would occur in the reciprocal cross?
Describe 6 functions that antibodies can perform (more than one isotype can perform many of these functions).
In fruit flies, the gene for eye color is sex-linked (X-chromosome) and red eye color is dominant over white. The gene for body color is an autosomal trait with gray dominant over black.
If you have 100 mL of a 0.1 M tris buffer at pH 8.3 and you add 3.0 mL of 1 M HCl, what will be the new pH? The pKa of tris buffer is 8.3.
How are carbohydrates important in RNA and DNA. What is their function in body organs and nerve cells? Do you know of any other functions?
After leaving the end of a ski ramp, a ski jumper lands downhill at a point that is displaced 66.2 m horizontally from the end of the ramp.
What muscles are used to bend the trunk when you touch your toes and what is the action of each muscle?
what challenges has the U.S. Fish and Wildlife Service faced when carrying out its mandate to protect threatened and endangered species?
For a different experiment you are increasing Saccharomyces cerivisiae instead of E.coli. The measured OD is 0.89.
If the experimental animals in the chamber were engaged in physical activity (such as running in a wheel), how do you think this would change results of the metabolism experiment. What changes would you expect to see in the fluid levels of manometer.
Hox genes are important to laying out the developing body plan generally, and the developing nervous specifically. How does the layout of Hox genes along the genome relate to the body plan? In general, what is the pattern to how the genes are turn..
Very often organism's traits are caused by a combination of its genes and its environment. Which environmental factors cause genetically formed bacteria to turn green?
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