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1. Which of the following correctly describes the flow of information in protein production?A) DNA ? RNA ? proteinB) protein ? DNA ? RNAC) protein ? RNA ? DNAD) RNA ? DNA ? protein2. One strand of DNA molecule has the base sequence ATAGGT. The complementary base sequence on the other strand of DNA will beA) UAUCCAB) TATCCAC) TGGATAD) ATAGGT3. The human influenza virus consists ofA) DNA onlyB) RNA onlyC) RNA plus a phospholipid membraneD) DNA plus a phospholipid membraneE) DNA plus RNA4. Which of the following molecules is directly responsible for the order in which amino acids are added to a growing polypeptide at the ribosome?A) mRNAB) tRNAC) rRNAD) DNA5. The genetic code AUG codes forA) valine & aspartic acidB) methionine & startC) isoleucine & tryptophanD) aspartic acid & stop6. During the replication of DNA moleculesA) the cell undergoes mitosisB) both strands of the DNA molecule serve as templatesC) a helix composed of 4 strands is madeD) only one strand of the molecule serves as a template7. Discovery of the structure of DNA was important to the science of biology because itA) described a role for nitrogen in biological moleculesB) helped explain life’s unique property of reproductionC) enabled James Watson and Francis Crick to become famousD) helped describe a mechanism for the formation of all biological molecules8. A mutagen such as ultraviolet (UV) radiation may causeA) a reduction in the number of tRNA moleculesB) problems with mitosisC) blockage of the ribosome binding sitesD) a change in the nucleotide sequence of DNA9. Which of the following is an “emerging virus” that has a direct impact on human health?A) avian fluB) hepatitisC) measlesD) influenza10. A wrongly folded form of protein in brain cells which can cause diseases such as chronic wasting disease in deer and elk is the result ofA) bacteriaB) virusesC) retrovirusesD) prions
Now you conduct breeding experiments with the elusive Torero turtle. You see that they come in two colors, but the colors are controlled by two genes that are on separate chromosomes.
list and describe four characteristics of bacteria that distinguish them from other life forms.your response should be
A force F = 200i - 400j + FZ k N, is acting through point A(0,0,0) m. If F creates a moment component of -3000 Nm in the direction of a line passing from point B (2,4,5) m to point C(-3,6,8) m, determine the value of FZ.
1 why are enzymes critical to the function of cells? that is why not simply let chemical reaction occur without
Develop a simple research design for the following research question. For the design include the independent variable, the dependent variable, two possible controls, and 2 units of measurement the researcher should use and what the unit should be ..
q. you are working in a human genetics laboratory that studies causes and treatments for eye cataracts in newborns.
All blood cells in an adult human can trace their ancestry to which compartment within the body?
By which process Lipid-soluble molecules would be expected to cross the Cytoplasmic Membrane?
1.The ultimate source of energy for almost all living organisms is.. 2. The life and death of cells are governed by.. 3. An organsim can exchange matter and energy with its surroundings.
How will chronic Hepatitis C impact a female's reproductive system? Discuss sex hormone levels, hypothalamic-pituitary axis changes, fertility and menstruation changes.
Which chemical modification do we associate with changing the activity of an enzyme in a transient/non-permanent manner?
If a food contains 35 g carbohydrate, 4 g protein, and 14 g fat, how many kcal are there? How many kJ are in this food?
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