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Bio 102 Exam #1-Questions and Answers Graded A+

Basic Molecular Biology-Questions and Answers Graded A

Bio 102 Exam #1-Questions and Answers Graded A+ Whats the estimated age of the evolution of the oldest, first prokaryotic cell? - ANSWER-3.5 billion years ago What is the etymology of the word science - ANSWER-knowledge What is the etymology of the word biology - ANSWER-study of life What is the etymology of the word zoology - ANSWER-study of animals How does a theory differ from a hypothesis? - ANSWER-A theory has been tested numerous times and explains broader natural phenomenon...

Bio 102 Exam #1-Questions and Answers 100%Verified behavioral, structural, biochemical, physiological - ANSWER-4 types of adaption adaption - ANSWER-populations increase in the frequency of traits suited to the environment natural selection - ANSWER-process in which organisms with certain inherited traits are more likely to survive & reproduce than individuals with other traits variation - ANSWER-individuals in a population vary in many heritable traits mutations & sexual reproduc...

Physiology: Neuromuscular transmission-Questions and Answers Graded A

Molecular Biology Exam 1-Questions and Answers Graded A+ What is the complementary strand to 5'GTCCATATTGC3' - ANSWER-3'CAGGTATAACG5' Is arginine or asparagine more likely to form a ionic bond within a folded protein? - ANSWER-Arginine is positively charged and basic and most likely forms an ionic bond. Asparagine is polar but not charged. Identify one major structural motif (DNA binding domain) found in sequence specific to transcription regulators - ANSWER-Zinc Finger or helix turn ...

Molecular Biology Exam 1 Practice Questions And Answers 100%Verified What chemical group is found at the 5' end of a polynucleotide? - ANSWER-Phosphate A-DNA has approximately how many base pairs per helical turn? - ANSWER-11 Which of the following amino acids does not contain a ring structure in its side chain? - ANSWER-Asparagine What are the full names of the amino acids specified by the sequence GQENAD? - ANSWER-Glycine-Glutamine-Glutamic Acid-Asparagine-Alanine-Aspartic Acid ...

Basic Molecular Biology-Questions and Answers Graded A+ amino acid - ANSWER-The subunits which make up proteins. Twenty distinct amino acids are found in proteins anti-sense strand - ANSWER-The DNA strand that serves as the template for synthesis of mRNA. It is complemetary to the sense strand codon - ANSWER-Three sequential nucleotides in mRNA that specify a particular amino acid to be incorporated into the growing polypeptide chain. Some codons specify either the start or stop of prot...

Physiology: Neuromuscular transmission-Questions and Answers Graded A+ Graded Potentials - ANSWER-Graded potentials are electrical signals that spread over a short distance. Their main purpose is to generate or prevent APs. >Decremental: Amplitude decreases with increasing distance from the site of the stimulus. Local changes in membrane potential, effect a small area. Graded Potentials do not propagate. >Vary in size: the amplitude of the potential is dependent on the strength of the...

Physiology - Neuromuscular Transmission + Physiology of Skeletal Muscle Contraction-Questions and Answers Graded A+ Neuromuscular Transmission - ANSWER-Transmission between motor neurons and muscle cells. axon terminal = - ANSWER-synaptic knob In neuromuscular transmission, the neurotransmitter is - ANSWER-acetylcholine The site of Neuromuscular Transmission - ANSWER-(Synapse). -If transmission is between neuron and muscle cell it's called a neuromuscular. junction. In the syna...