Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
100
To understand the chemical basis of inheritance, we must understand the molecular structure of DNA. This is an example of the application of which concept to the study of biology?
What is reductionism?
100
When the atoms involved in a covalent bond have the same electronegativity, what type of bond results?
What is a nonpolar covalent bond?
100
What is the difference between hydrophilic and hydrophobic?
What is hydrophilic is water-loving and hydrophobic is water-fearing?
100
What makes these two molecules different from each other?
What is they have different functional groups attached to the same carbon skeleton?
100
The difference between an aldose sugar and a ketose sugar is...
What is the position of the carbonyl group?
200
When your body temperature rises on a hot day, the neural and hormonal mechanisms activate sweating. Evaporation of sweat leads to cooling of the body surface. This is an example of what?
What is negative feedback regulation?
200
What type of bonds does water form?
What is a single polar covalent?
200
Water shows high cohesion and surface tension and can absorb large amounts of heat because of large numbers of which type of bonds between water molecules?
What is hydrogen bonds?
200
A compound contains hydroxyl groups as its predominant functional group. Therefore, this compound ________.
What is it should dissolve in water?
200
What makes lipids/fats hydrophobic?
What is the presence of relatively nonpolar C—H bonds?
300
What are the levels of the Life of Hierarchy of Organization in order (Biggest to Smallest)?
What is biosphere, ecosystem, community, population, organism, organ system, organs, cells, organelles, molecules, and atom?
300
Atoms have no electric charge because they have...
What is an equal number of protons and electrons?
300
Compared to an acidic solution at pH 5, a basic solution at pH 8 has _____.
What is 1,000 times fewer hydrogen ions?
300
Which molecule shown is a thiol and which molecule shown contains a carboxyl group?
What is B and C?
300
The label on a container of margarine lists "hydrogenated vegetable oil" as the major ingredient. Hydrogenated vegetable oil is what and why?
What is being solid at room temperature because hydrogen is added to make it more solid?
400
Name each component of the scientific method.
What is observations, question, research, hypothesis, experiment, results/conclusion, and communicate results?
400
The left to right order of elements in the periodic table is based on their...
What is atomic number?
400
Define acid, base, and buffer
What is...
Acid- pH less than 7; increases hydrogen ion concentration of a solution
Base- pH more than 7; reduces hydrogen ion concentration of a solution
Buffer- substances that neutralizes changes in the concentrations of hydrogen and hydroxide ions; they donate or accept protons to resist changes in pH
400
What are hydrocarbons?
What is organic molecules that consists of hydrogens and carbons and they are non-polar and hydrophobic?
400
The central rule of molecular biology states that ________.
What is DNA is transcribed into RNA, which is translated into protein?
500
Define the properties of all living things.
What is order, evolutionary adaptation, energy processing , reproduction , growth and development , regulation, and energy processing?
500
About 25 of the 92 natural elements are known to be essential to life. Which 4 of these 25 elements make up approximately 96% of living matter?
What is carbon, hydrogen, nitrogen, oxygen?
500
Define what a solution, solvent, solute, and aqueous solution is.
What is...
a solution is a liquid that is a completely homogeneous mixture of substances,
solvent is the dissolving agent of a solution,
solute is the substance that is dissolved,
aqueous solution is one in which water is the solvent?
500
Name the seven functional groups are important in the chemistry of life and their bonds.
What is Hydroxyl (OH), Carbonyl(C ═ O), Carboxyl(COOH), Amino(NH2), Sulfhydryl(SH), Phosphate(OPO32−), Methyl(CH3)?
500
If one strand of a DNA molecule has the sequence of bases 5′-AGTTCA-3′, the mRNA synthesized following the template will be ________.
What is 3′-UCAAGU-5′ ?