Phospholipid bilayer (hydrophilic heads and hydrophobic tails)
100
What is mitosis?
Process of cell division; chromosome number constant.
100
The sodium-potassium pump is an example of
Active transport
200
What are the planes of the body?
Transverse (Upper and Lower)
Sagittal (Left and Right)
Frontal (Front and Back)
200
How do lipid interact with water?
What hydrophobic and are insoluble.
200
What are microscopic sacs that acts as the cell's own digestive system and contains hydrolytic enzymes to breakdown particles that enter them?
Lysosomes
200
What are haploid cells?
Gametes contain a single set of 23 chromosomes
200
Peptide bonds form between an amine groups and _____
Carboxyl Acid
300
What are the three parts of the feedback system?
Receptor, control center, and effector
300
What is an isotope?
Atoms with the same atomic number but different atomic weight; differ in number of neutrons.
300
What is composed of two membranes; inner membrane highly folded into cristae?
Mitochondria (the powerhouse)
300
What happens during cytokinesis?
Cytoplasm divides by cleavage furrow
300
How many penguins can polar bear eat in a single sitting?
86
400
What organs are in the pelvic portion of the abdominopelvic cavity?
Urinary bladder, reproductive organs, and part of large intestine.
400
What is the chief polysaccharide in humans?
Glycogen
400
What is the function of the Golgi Apparatus?
Synthesizes large carbohydrate molecules, combines them with proteins, and secretes product.
400
What are the phases of interphase?
G1- first growth phase
S - DNA replication occurs
G2 - second groth phase; preparation made for cell division
400
A beta-pleated sheet is an example of which protein structure?
Secondary
500
What makes up the left hypochondriac region?
The body and fundus of the stomach, the spleen, the upper 2/3 of the left kidney, and the tail of the pancreas.
500
What is the difference between DNA and RNA?
DNA is a double standard helix, deoxyribose sugar, bases T,A, C,G and bases paired in complementary fashion. RNA is single stranded, ribose sugar, bases U,A,C,G,
500
What is the difference between smooth ER and rough ER?
Smooth is a site of lipids, phospholipid, and steroid synthesis and detoxifies some chemicals.
Rough is where ribosomes attached synthesize proteins.
500
Describe the process of Meiosis
Meiosis I begins with a diploid cell and ends with two cells having the haploid number of chromosomes; in Meiosis II, each of the two haploid cells divides, the net result is four haploid gametes that are genetically different from the original diploid starting cell​