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15-translation requiresa) mRNA ,tRNA,and DNA b) mRNA, DNA,and rRNAc) m RNA, t RNA, r RNAd) m RNA, t RNA,DNA,r RNA16- how does termination of translation take place ?a) The poly-A tail is reachedb) The 5' cap is reachedc) A stop codon is reachedd) The end of the mRNA molecule reached17- Mendel studies seven different traits in the garden as those studied by mandel?a) Appearance b) Genotypec) Haplotyped) Categorye) Phonotype18- During elongation phase of translation, what is read?a) A siteb) E sitec) P sited) The small ribosomal subunit19- There are sixty -one codons that each specify the addition of a specific gene there are no corresponding amino acid, however there are only about for anticodons how is that possible ?a) An anticodons forms hydrogen bonds with the codon it must match with respect to the third baseb) Only about forty of the recognized sixty -one codon are presentc) There are tRNA as that can bind one of two related amino acidd) Only twenty of the codon are active one for each amino acid20- In the tigers recessive alleles causes a white tiger heterozygous is mated to another that is phenotype white which?a) 50%b) 100%c) 75%d) 25%21- The work of Gregor mendel provide an answer to two prevailing hypotheses, what are the two hypotheses ?a) The two major hypotheses of the time were blending inheritanceb) Animals use one set of rules for inheritance while plant use different rulec) Peas and another domestic plant are unsuited for studies of inheritanced) Self-fertilization is the rule in plants while cross fertilization is the rulee) Mitosis is only typical in vertebrates meiosis is only typical in invariant22- In a health cell the rate of DNA repair is equal to the rate of DAN rate of mutation, what is possible fate for the cell?a) RNA may be used instead of DNA as inheritance materialb) The cell can be transformed to cancerous cellc) DNA synthesis will continue by anew mechanismd) The cell will be become embryonic23- When Thomas hunt morgan crossed his red eyed F1 generation with red and white eyed flies , remarkably , all the white eyed fliesa) The gene involved is on the X chromosomeb) Other female specific factor in flounce eye color in fliesc) Other male specific factor influence eye color in fliesd) The gene involved is on the Y CHROMOSOMEe) The gene involved is on an autosome , but only in males24- Particular triplet of base in the coding sequence of DNA code isa) UUAb) TTTc) AAAd) UUU25- Hydrangea plant of the same genotype are planted in large flower garden and other pink flower the can be best explained by which of the following ?a) The knowledge that multiple alleles are involvedb) The alleles being codominant c) The fact that the mutation has accruedd) The alleles for blue hydrangea being completed dominante) Environmental facts are involved such as soil Ph. .
Suppose you are given a mixture of proteins that you examine by standard 2-D electrophoresis, with the following results for isoelectric points.
An eighty nine year old woman has a long history of systolic heart failure that resulted in a large left ventricular infarct when she was in her 70s.
Determine which of the following statements would be inaccurate regarding the discovery of the DNA molecule?
The idea is that this arrangement will allow animals and plants to migrate between refuges. Why will such migration be important. Which of the compounds that normally protects the liver and other vital organs.
Reiterate this process of progressively adding the cards over a 15-minute period. Specify if you are able to detect an increasingly dim light longer you spent in dark?
The conjugate vaccine against Streptococcus pneumoniae provides, An important immune defect which decreases the production of antibodies
What is the major morphological difference between mammalian red blood cells and avian red blood cells? Describe what is happening in plasmolysis when onion cells are placed in a hypertonic solution. Sketch a plasmolysed cell.
Explain the pathway of the conduction from the atria to the ventricles and correlate this conduction with the ECG waves.
Think about an experimental Drosophila population containing 5 males and 5 females (2N = 20) in a population. An autosomal locus (gene A) has allele A1 and A2 with frequencies 0.9 and 0.1
Discuss two of the non-covalent forces that stabilize tertiary structure in proteins that are affected when the pH is changed.
What characteristic of the synthetases explains this discrepancy. Tina is consuming 15 mg of iron per day. Her RDA is 18 mg. She has no condition warranting a greater-than-normal need for iron. Which of the statements is true about her consumption of..
What is the rate of coagulation of naturally occurring colloids (under various pH and I scenarios)? How may the size spectrum of agglomerates change over time? How quickly do colloidal aggregates settle.
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