WGU BIOCHEMISTRY TESTS COMPILATION BUNDLE

RNA polymerase Correct Answer: Enzyme that facilitates transcription Transcription Correct Answer: synthesis of an RNA molecule from a DNA template Ribosome Correct Answer: Large macromolecular complex where proteins are synthesized tRNA (transfer RNA) Correct Answer: Form of RNA that i...

1. The polymerase chain reaction is a tool used to study protein structure. True False Correct Answer: False Feedback PCR is a tool used to amplify a specific segment of DNA. What color is the primer in the following diagram? Red Purple Blue Correct Answer: Red Feedback Recall ...

PCR- know the steps Correct Answer: 1) denaturation: heated to 95*C to separate it*** 2) annealing (cool to 50*C for sticking) 3) elongation (reaction heated to 70*C to build new DNA) ***ligase is NOT involved Ingredients for PCR: Correct Answer: Template DNA Nucleotides (dNTPs) DNA Poly...

Bohr Effect chart (low pH) Correct Answer: C- High CO2 H- High H+ A- Acidic R-Release of O2(rt. Shift) T- tense state (in tissues) Primary structure Correct Answer: Sequence of amino acids that make up a protein Secondary Structure Correct Answer: Sequence of amino acids fold. Tertia...

What is the complimentary DNA sequence to this sequence 5' - ATC CTT TAG GTT-3' Correct Answer: 5'-AAC CTA AAG GAT-3' Which answer choice displays the tRNA anticodon of the mRNA codon 5'- UGA-3'? Correct Answer: 5'-UCA-3' What would be the resulting mRNA sequence from the templat...

What is the complementary sequence for the following DNA sequence? 5' - GCC ATC TCG AAT - 3' Correct Answer: 5' - ATT CGA GAT GGC - 3' Assuming 100% reaction efficiency, how many DNA copies are created after the completion of four complete PCR cycles? Correct Answer: 16 What is the funct...

Replication, transcription and translation in this order. Correct Answer: The biological process depicting the central dogma of life. The Central dogma Correct Answer: The a process in which information is used to direct the synthesis of proteins that carry out the cell's activities. Genome...

saturated fatty acid Correct Answer: A fatty acid that doesbt contain double bonds between carbons with the hydrocarbon chain Unsaturated fatty acid Correct Answer: A fatty acid with one or more double bonds within the hydrocarbon chain Phosphate group Correct Answer: Contains a phosphorus ...

Which mRNA sequence results in a polypeptide that contains three amino acids? Correct Answer: 5' - CUU GAU ACU UAG - 3' Which template strand DNA sequence would result in the amino acid (Ser)? Correct Answer: 5' - CGA - 3' Pay attention. The TEMPLATE STRAND DNA is a 3'-5' so it's flip...

Which property of enzymes is illustrated in the final step of the enzymatic cycle? A. Enzymes increase the reaction rate for a reaction. B. Enzymes lower the activation energy for a reaction. C. Enzymes are specific. D. Enzymes are reusable. Correct Answer: Enzymes are reusable. In the enzym...

DNA replication is ___________, which allows each of the two strands to serve as a _______ for the new strands. b. semiconservative, template Correct Answer: DNA replication is semiconservative, meaning that each new duplex has one original (parent) strand and one new strand. Because the two par...

hemoglobin has how many subunits that can bind heme to iron to oxygen? Correct Answer: 4 myoglobin has how many subunits? Correct Answer: 1 myoglobin vs hemoglobin: has higher affinity for oxygen? Correct Answer: myoglobin _______________ is more saturated with O2 in smaller amounts of ...

Which level of protein structure is disrupted through the hydrolysis of peptide bonds? Correct Answer: Primary The primary structure of a protein is the sequence of amino acids held together by peptide bonds. How are peptide bonds formed? Correct Answer: Dehydration reactions What are the...

DNA is a type of _____________ Correct Answer: nucleic acid __________ are found in virtually all cells Correct Answer: Nucleic acids What is the function of nucleic acids? Correct Answer: To encode heritable information and pass it on from generation to generation What three things make...