Cell Biology
Which organelle is known as the “powerhouse” of the cell?
A) Ribosome
B) Nucleus
C) Mitochondrion
D) Lysosome
C) Mitochondrion
Which term describes the genetic makeup of an organism?
A) Phenotype
B) Genotype
C) Allele
D) Locus
B) Genotype
What is the primary function of hemoglobin in red blood cells?
A) Clot formation
B) Oxygen transport
C) Immune defense
D) pH regulation
B) Oxygen transport
What term describes the cooling of a body after death?
A) Rigor mortis
B) Algor mortis
C) Livor mortis
D) Autolysis
B) Algor mortis
Before Robux, what was the original Roblox currency called?
"Roblox Points"
This structure packages and ships proteins to their destination:
A) Rough ER
B) Golgi apparatus
C) Peroxisome
D) Smooth ER
B) Golgi apparatus
Which event increases genetic variation during meiosis I?
A) DNA replication
B) Independent assortment
C) Cytokinesis
D) Spindle formation
B) Independent assortment
Which structure prevents backflow of blood from ventricle to atrium?
A) Semilunar valve
B) Atrioventricular valve
C) Sinoatrial node
D) Purkinje fibers
B) Atrioventricular valve
Which finding indicates a wound from a blunt force impact?
A) Incision
B) Puncture
C) Contusion
D) Laceration
C) Contusion
When did John Jay get married? (___ 28th, 1774)
April 28th, 1774
During an immune response, white blood cells engulf bacteria. This process is called:
A) Pinocytosis
B) Exocytosis
C) Phagocytosis
D) Osmosis
C) Phagocytosis
When two heterozygotes (Aa) are crossed, what percentage of offspring are expected to show the recessive trait?
A) 25%
B) 50%
C) 75%
D) 100%
A) 25%
After running, your breathing rate increases. Which brain center is signaling this change?
A) Medulla oblongata
B) Hypothalamus
C) Cerebellum
D) Thalamus
A) Medulla oblongata
An autopsy reveals atherosclerosis, myocardial scarring, and no external trauma. The manner of death is most likely:
A) Homicide
B) Natural
C) Accident
D) Suicide
B) Natural
What year was Harambe killed and why?
In 2016, in order to protect a 3 year old boy who fell into his enclosure.
A toxin disrupts microtubules, preventing chromosomes from aligning at this phase of mitosis:
A) Anaphase
B) Metaphase
C) Prophase
D) Telophase
B) Metaphase
In pea plants, tall (T) is dominant over short (t). You cross Tt × tt. What is the expected genotypic ratio in the simplest form?
A. 1 TT : 1 Tt : 1 tt
B. 1 Tt : 1 tt
C. 3 Tt : 1 tt
D. 2 Tt : 2 tt
B. 1 Tt : 1 tt
During dehydration, the kidneys conserve water by releasing:
A) Aldosterone
B) ADH (vasopressin)
C) Cortisol
D) Insulin
B) ADH (vasopressin)
Scenario: A white, waxy film covers the skin of a corpse that has been in a cold, moist environment for days. This is called:
A) Putrefaction
B) Adipocere
C) Mummification
D) Autolysis
B) Adipocere
Which regular show character said the following: "It takes guest with breast, and mine don't count"
Muscle Man
In a cell exposed to severe DNA damage, a cascade activates proteins that fragment the nucleus and bleb the membrane. What is this process?
A) Necrosis
B) Autophagy
C) Apoptosis
D) Fermentation
C) Apoptosis
Human blood types A and B are codominant, O is recessive. If a parent with type AB and a parent with type O have three children, what are possible blood types?
A) All O
B) All AB
C) A or B only
D) A, B, or O
C) A or B only
A patient has high blood sugar and ketone buildup. Which hormone deficiency and organ are involved?
A) Insulin deficiency, pancreas
B) Glucagon excess, liver
C) Thyroxine deficiency, thyroid
D) Cortisol excess, adrenal gland
A) Insulin deficiency, pancreas
In a hanging case, small petechial hemorrhages (red or purple spots) in the eyes suggest:
A) Strangulation
B) Stabbing
C) Blunt trauma
D) Natural disease
A) Strangulation
How many licks does it take to reach the center of a tootsie pop? (According to Purdue University)
365 licks