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Each question is true or false... can you please explain why each question is either true or false, depending on the answer. Thank you.
1. Consider an atom of nitrogen (N), which is more electronegative than an atom of hydrogen (H). N has 5 valence electrons, whereas H only has 1 (H can only form 1 total pair of electrons in it's valence shell) ... Given this information: If an atom of N were to bind with 3 H atoms, the newly formed compound NH3 would likely be a polar molecule.
2. Given this information: If an atom of N were to bind with 3 H atoms, it the newly formed compound NH3 would likely be hydrophobic.
3. DNA that contains 40% G will be more stable in changing conditions (such as increasing heat) than DNA containing 40% A.
4. DNA polymerase is binding to DNA.
5. The nitrogenous bases on the nucleotides used by DNA polymerase to synthesize new strands of DNA have been removed.
6. There are no free-floating deoxyribonucleotides in these cells.
q1. in birds sex is determined by the zw chromosome scheme. males are zz and females are zw. a recessive lethal allele
How does the intergrated action of the cardiovascular, respiratory and other body systems explain why heart rate is different for an athlete when he is at rest and just prior to doing say 100 metre sprint .
What is the major component of cell walls in bacteria? How does this differ from plants? What are two sugar components and 3 amino acid components.
Urine excreted by mammals contains many valuable molecules such as glucose and amino acids, but they are at much lower concentration in excreted urine than in blood.
How, when, where and why might you apply your learning of bioethics in the future if you wanted to be a veterinarian?
How could you explain the occurrence of birth defects (caused by altered genes) in children and grandchildren of WWII atomic bomb victims, while the victims themselves were only mildly affected.
Which of the following is an exception to the central dogma of molecular biology?
Describe the developmental program of a T cell, including positive and negative selection and changes in phenotypic markers
1. Explain the role of insulin and glucagon on diabetes mellitus and hypoglycemia, respectively. 2. Explain the regulatory process of glycolysis.
Consider the following two genotypes: AABB, aabb where A and B are dominant and a and b are recessive.
Is there an example of regulation of gene expression (regulation of functional gene product.) at the level of Protein modification control in the lac operon?
Which is more important in the survival of anorganism- genetic traits passed on by parents or non-genetic factors outside ofthe organism?Other than natural selection through genetictraits, what other factors can contribute to the survival (or death) ..
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