BIO 256 Exam 1 Latest Update 2023 Questions and Correct Answers All but one of these is required to allow genetic information to dictate a protein's primary sequence. Which is NOT directly involved in getting genetic information from DNA to a protein being made? - Correct Answer DNA polymerase
All but one of these is required to allow genetic information to dictate a protein's primary sequence. Which is NOT directly involved in getting genetic information from DNA to a protein being made? - Correct Answer DNA polymerase
All of the following are formed as a result of the electron trCorrect Answerport chain EXCEPT - Correct Answer Carbon Dioxide
An atom or molecule has been oxidized when - Correct Answer it has lost some electrons
Anticodons would be found in - Correct Answer tRNA
Exergonic reactions drive endergonic reactions because - Correct Answer all energy trCorrect Answerfers lose some free energy as unusable heat
Fatty acids and glycerol are parts of - Correct Answer phospholipids
Glycogen is composed of - Correct Answer chains and branches of glucose units
How do defects in the same metabolic pathway result in different symptoms in different individuals? - Correct Answer different enzymes may be defective in the same metabolic pathway resulting in different diseases
If solution A has 100 times the hydrogen ions as solution B and solution B has a pH of 6.0, then solution A will have a pH equal to - Correct Answer 4.0
If the products of a chemical reaction contain MORE total energy than the reactants, the reaction must be - Correct Answer endergonic
If you add a small amount of vinegar (a weak acid) to a buffer, the buffer's pH will - Correct Answer stay the same
If you see polyribosomes when you observe a cell using an electron microscope of the cell - Correct Answer making a lot of certain protein
In a negative feedback loop used to maintain homeostasis, which of the following terms is NOT likely to be used? - Correct Answer hypothesis
- / 2
In addition to ATP what are the final products of aerobic respiration - Correct Answer CO2 and H2O
Intracellular and extracellular fluids are separated by - Correct Answer plasma membrane
Messenger RNA carries genetic information from the chromosomes to the ____ - Correct Answer ribosome
Monounsaturated fats have ___ double bonds - Correct Answer one
One example of positive feedback is: - Correct Answer oxytocin release during
childbirth
Phenylketonuria (PKU) occurs when there is - Correct Answer a hereditary defect in an enzyme.
Reactions releasing energy are usually called - Correct Answer catabolic reactions.
Red blood cells placed in a hypotonic solution will exhibit - Correct Answer hemolysis
RNA is made by ____, proteins are made by ______ - Correct Answer trCorrect Answercription, trCorrect Answerlation
The "lock and key model" of enzyme function describes the - Correct Answer specific fit of a substrate to its particular enzyme
The components of phospholipids include - Correct Answer glycerol, fatty acids and a phosphate group
The components of sterols include - Correct Answer Four carbon rings with a hydrocarbon tail
The favored fuel of the liver is - Correct Answer fatty acids
The nitrogenous base in DNA not found in RNA is - Correct Answer thymine
The normal pH inside your stomach is acidic, and thus - Correct Answer lower than 7
To obtain metabolic energy from glycogen, you must first - Correct Answer break the molecule into glucose units
TrCorrect Answercription produces - Correct Answer RNA
TrCorrect Answerlation is best defined as synthesis of - Correct Answer specific proteins from the mRNA base sequence code
- / 2