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Bio 2 Test
| Question | Answer |
|---|---|
| Energy associated with movement is | Kinetic Energy |
| The first law of Thermodynamics states that | Energy cannot be created or destroyed |
| How does an enzyme work to catalyze a reaction | It lowers the activation energy of a reaction |
| In reference to the figure to the right what is true? | The rate of product formation decreases by a pH of 2, the rate of product formation is highest at a pH of 2, the rate of product formation decreases below a pH of 2, all of the above are correct interpretations |
| Once ATP donates its phosphate to a coupled reaction it becomes ADP. The ADP can be converted back into what reaction? | Endergonic |
| When electrons are removed from a molecule, the molecule is said to be | Oxidized |
| The rate of product formation in enzyme catalyzed reaction is affected by | Inhibitors, Temperature, pH, concentration of the substrate |
| Which of the following is not true of ATP? | It is a fuel molecule |
| The energy needed to stress existing chemical bonds and start a chemical reaction is called? | Activation Energy |
| During Aerobic respiration _________ acts as the final electron acceptor in the electron transport chain | Oxygen |
| Where does Glycolysis take place in a cell? | Cytoplasm |
| The energy yield of glycolysis is? | 2 ATP, 2 NADH |
| Which of the following would be true if a metabolic poison were to completely inhibit the function of synthase? | The pH difference across the inner mitochondrial membrane would increase |
| A molecule of glucose is completely oxidized during which of the stages? | Krebs Cycle |
| Which if the following is true about fermentation pathways? | Occur in the absence of Oxygen, Produces a net of 2 ATP molecules, pyruvate may act as the final electron acceptor |
| Which of the following molecules is regenerated with each turn of the krebs cycle? | Oxaloacetate |
| Cellular respiration produces the most energy in the form of ATP from which of the following? | Oxidative Phosphorylation |
| The equation of 6CO2 + 6H2O --> C6H12O6 + 6O2 describes which of the following processes? | Photosynthesis |
| Where does the Calvin Cycle occur? | Chloroplast Stroma |
| The cytoplasm ______ is synthesized during ________ | Glychosoride, Calvin Cycle |
| The plant tissue in which phorosynthesis occurs in the | Mesophyll |
| Chloroplast contains stacks of _______ which are referred to as _______ | Thylakoids, grana |
| Where is the photosynthetic transport chain of plants located? | The thykaloid membrane |
| The primary photosynthetic membrane is? | Chlorophyll a |
| How might a plant cope with the fact that the calvin cycle uses more ATP then NADH, yet produces roughly the same amount of both energy intermediates in 1 and 2 | Photosynthesis can revert from a noncycle to a cycle electron flow producing more ATP than NADH |
| The primary advantage C4 plants have over c3 plants is that | C4 plants minimize the photogeneration compared to C3 plants. |
| The splitting of water and generation of water occur where? | Photosynthesis 2 |
| Which of the following is NOT true of signal binding in a receptor | The signal binds covalently to the receptor |
| A group of proteins that convert an initial signal to a different signal inside a cell is called? | Signal transduction pathway |
| When isulin binds to its G protein coupled receptor (GPCR) what happens next? | activated receptors bind to G protein |
| Nucleotides have a phosphate group attached to the ___ carbon atom of sugar | 5" |
| DNA consist of 2 antiparallel strands of nucleotides held together by | Hydrogen Bonds |
| The method of DNA replication is called | Semiconservative method |
| Which enzymes adds new nucleotides to the end of a growing strand? | DNA polymerase |
| The chemical bond connecting one nucleotide to the next along with one strand of DNA molecule is called | Phosphodiester bond |
| During DNA replication, each new strand begins with a short | RNA primer |
| The site where the two DNA strands separate and activate replication occurs is called the | Replican folk |
| Eukaryotic speed up the process of DNA replication by | using multiple origins of replication on each chromosome |
| Which of the following DNA sequences is contemporary to 5' ATGGTGAGT 3' | 5'TACCAGTCA 3' |
| Which molecule is responsible for separating double stranded DNA prior to seperation | DNA heliocase |
| A DNA speciman that contains 30% guanine has ______ thymine | 20% |
| Which of the following is not a stop codon | AUG |
| Whic of the following RNA encodes the sequence of Amino acids for functional proteins ? | mRNA |
| What site does the release factor bind on a ribosome? | A site |
| Transfer RNA is said to be charged when? | The correct amino acid is attached by amiocyal-t RNA synthase |
| ______ is to transcription as _______ is to translation | RNA polymerase, ribosome |
| If a DNA template strand has a sequence of 3'TACAATGTAGCC 5' then the RNA produced from it will be? | 5' AUGUUACAUCGG 3' |
| What protein is involves in synthesizing messanger RNA in eukaryotes? | RNA polymerase 2 |
| Intervening sequences that are transcribed, but not translated into protein care called? | Introns |
| If a cell's splisosome were mutated so they no longer functioned normally what consequences would result? | Introns would remain in the mature RNA |
| what process enables a single gene to encode two or more polyeptides that are different in there amino acid sequence? | alternate splicing |
| what is the function of the poly A tail of a mRNA? | The poly a tail increases mRNA stabability in prokaryotes |
| Because more than one condon can specify the same amino acid, the genetic code is said to be | Degenerate |
| Which of the following is not true of mRNA? | The thymine is replaced by cytosine |
| Decide which sequence of events is most correct for the initiation and elongation steps of translation | 2,1,3,4,5 |
Created by:
calebgurley1