Chem
For example, mixing one mole of H2(g) with one mole of O2 produces one mole of steam (H20(g)), with half a mole of O2(g) remaining.
What is the Limiting Reagent?
What is the hydrogen gas
A firefighter jumps horizontally, at a speed of 1.5 m/s, from a blazing structure. When is the angle between his acceleration and velocity vectors the largest?
A. Midway during his fall
B. Immediately after his launch
C. Upon reaching terminal velocity
D. Just before he touches down on the ground
What is Immediately after his launch
Pink offspring are produced when a red bloom mates with a white flower. This is an illustration of:
A. Codominance
B. Overdominance
C. Complete dominance
D. Incomplete dominance
What is D. Incomplete dominance
A three nucleotide sequence on a tRNA molecule that pairs with a corresponding mRNA codon during translation.
What is an Anticodon
Name the lobes of the brain
What are the Frontal lobe, parietal lobe, temporal lobe, and the occipital lobe
Rank amine, carboxylic acid, aldehyde, and alkane in decreasing order of oxidation state.
A. Aldehyde, amine, alkane, carboxylic acid
B. Carboxylic acid, aldehyde, amine, alkane
C. Carboxylic acid, amine, aldehyde, alkane
D. Alkane, amine, aldehyde, carboxylic acid
What is B. Carboxylic acid, aldehyde, amine, alkane
A ball (m = 0.5 kg) is launched horizontally while a rock (m = 2 kg) is launched vertically. When both begin at the same height:
A. The ball will touch down first.
B. The rock will fall to the earth first.
C. The ball and rock will both fall to the ground simultaneously.
D. Before the ball and rock reach the earth, they will clash in the air.
What is The ball will touch down first.
Name the different types of tissues and the different types of muscles.
Tissues: connective, epithelial, muscular, nervous.
Muscles: smooth, cardiac, skeletal.
Enzymes that experience changes in their conformation as a result of interactions at sites other than the active site. Conformational changes may increase or decrease enzyme activity
What are Allosteric Enzymes
What are the developmental regions of the brain, the functions of each, and which one developed first?
Forebrain: controls voluntary movement, impulse control, language, and reasoning. (Broca's area is part of this)
midbrain: responsible for auditory and visual processing
hindbrain (developed first): controls the parts we don't think about. (breathing, heartbeat, balance, and sleep
All of the following are true with respect to carbonyls EXCEPT:
A. the carbonyl carbon is electrophilic.
B. the carbonyl oxygen is electron-withdrawing.
C. a resonance structure of the functional group places a positive charge on the carbonyl carbon.
D. the π electrons are mobile and are pulled toward the carbonyl carbon.
What is D. the π electrons are mobile and are pulled toward the carbonyl carbon.
An elevator is built to go upward at a speed of 5 m/s after an initial phase of acceleration and to support a weight limit of 9800 N (including its own weight). What connection exists between the maximum elevator cable tension and the maximum elevator weight as the elevator accelerates upward?
A. The tension is 9800 N.
B. There is less strain than 9800 N.
C. There is more tension than 9800 N.
D. The information provided does not allow for a determination.
What is There is more tension than 9800 N.
A possible novel oncoprotein connected to stomach cancer is being investigated by researchers. The mRNA transcripts for the new protein have been upregulated, according to the results of RT-qPCR. Which of the following could be a plausible mechanism for the protein's transcriptional upregulation?
A. Histone deacetylation
B. Chromatin structure opening
C. Increased production of ribosomes
D. Greater availability of amino acids
What is B. Chromatin structure opening
An enzyme devoid of the prosthetic group, coenzyme, or cofactor necessary for normal activity
What is an Apoenzyme
What branch of psychology is devoted to the study of unusual patterns of behavior, emotion, and thought?
a) Developmental psychology
b) Personality psychology
c) Abnormal psychology
What is Abnormal psychology
In the Bronsted-Lowry system, a base is defined as: A) a proton donor B) a hydroxide donor C) an electron-pair acceptor D) a water-former E) a proton acceptor
What is a proton acceptor
Mechanical advantage and efficiency are both ratios. Which of the following is true regarding the quantities used in these ratios?
A. Mechanical advantage compares values of work; efficiency compares values of power.
B. Mechanical advantage compares values of forces; efficiency compares values of work.
C. Mechanical advantage compares values of power; efficiency compares values of energy.
D. Mechanical advantage compares values of work; efficiency compares values of forces.
What is B. Mechanical advantage compares values of forces; efficiency compares values of work.
Portion of the nephron permeable only to water. The filtrate becomes more concentrated as it travels through this structure due to the increasing concentration of the interstitium.
What is Descending Limb of the Loop of Henle
An element of secondary structure, marked by peptide chains lying alongside one another, forming rows or strands.
What is a Beta pleated sheet
What are the structures that are part of the nervous system? *Hint! name both part of the system
Central Nervous System: Brain (cerebrum, brain stem, cerebellum) and spinal cord.
Peripheral Nervous System: nerves and neural ganglia
In an electrolytic cell the electrode at which the electrons enter the solution is called the ______ ; the chemical change that occurs at this electrode is called _______. (a) anode, oxidation (b) anode, reduction (c) cathode, oxidation (d) cathode, reduction (e) cannot tell unless we know the species being oxidized and reduced
What is the Cathode and Reduction.
Suppose two parallel plates are inserted into a solution, and the current that passes between them for a known potential difference is used to measure the electrolytic resistivity of the solution. How would this resistivity change if the area of both of the two plates was doubled, at a fixed separation distance?
A) it would double
B) it would remain the same
C) it would quadruple
D) it would be halved
What is B. It would remain the same
Name all 11 systems in the human body and one component of each.
Circulatory system - Heart, veins, arteries
Digestive system - esophagus, stomach, Intestines
Endocrine system- Glands, Pancreas, ovaries, testes
Immune System- lymph nodes, white blood cells
Lymphatic System- vessels, nodes, tonsils, spleen.
Muscular System- Muscle
Nervous System - brain, spinal cord, Nerves
Reproductive system - Uterus, testes, ovaries
Respiratory system- lungs, trachea, mouth, nose
Skeletal system- bones, ligaments, tendons
Urinary system- bladder, ureters, kidney, urethra
What are the products of one turn of the Krebs cycle (and how many)?
1 ATP
3 NADH
1 FADH2
2 CO2
After the bad car accident we had last year, I cringe and break into a sweat at the sound of squealing brakes. This is an example of what?
Cultural inheritance
Operant conditioning
Classical conditioning
What is Classical Conditioning