MASTERING BIO 253 EXAMS: A+ GRADED GUIDE WITH
LATEST QUESTIONS AND ANSWERS.
What makes up proteins?
amino acids
What has complementary based pairing?
Nucleic acids
What are the function of Lysosomes?
Digest enzymes
What microorganism is made up of one cell?
Bacteria
What microorganism has no cells?
Virus
What is the non protein part of an enzyme?
Cofactor
When do sister chromatids separate?
anaphase
In the plasma membrane where are the tails?
away from the water
What happens during prophase?
Condensation of chromosomes, nuclear membrane starts dissapearing
What happens during metaphase?
Chromosomes line up in the middle
What happens during anaphase?
sister chromatid separate
what happens during telephase
two nucleus formed.
What does the rough ER do?
Makes proteins
What does the smooth ER do?
, Makes lipids
What does the mitochondria do?
makes ATP; powerhouse
What does the Golgi apparatus do?
It packages and ships proteins
What does active transport require?
always requires ATP and only occurs in living cells
What are examples of active transport?
endocytosis, exocyatosis, sodium potassium pump
What makes up nucleic acids?
nucleotides
What does a peptide bond do?
binds together amino acids
What are examples of passive transport?
osmosis, diffusion, facilitated diffusion
Oxygen moving through the lungs is an example of what?
Diffusion
What happens to a blood cell in a hypertonic solution
water will leave the cell and the blood cell will shrink
What happens to a blood cell in a hypotonic solution
water will enter the cell and it will bloat and eventually explode
Homeostasis
maintaining a constant internal environment in the body
Metabolism
All of the chemical reactions that occur within an organism
is the thoracic cavity superior or inferior to the abdominal cavity?
superior
what separates the thoracic cavity from the abdominal cavity?
Diaphragm
LATEST QUESTIONS AND ANSWERS.
What makes up proteins?
amino acids
What has complementary based pairing?
Nucleic acids
What are the function of Lysosomes?
Digest enzymes
What microorganism is made up of one cell?
Bacteria
What microorganism has no cells?
Virus
What is the non protein part of an enzyme?
Cofactor
When do sister chromatids separate?
anaphase
In the plasma membrane where are the tails?
away from the water
What happens during prophase?
Condensation of chromosomes, nuclear membrane starts dissapearing
What happens during metaphase?
Chromosomes line up in the middle
What happens during anaphase?
sister chromatid separate
what happens during telephase
two nucleus formed.
What does the rough ER do?
Makes proteins
What does the smooth ER do?
, Makes lipids
What does the mitochondria do?
makes ATP; powerhouse
What does the Golgi apparatus do?
It packages and ships proteins
What does active transport require?
always requires ATP and only occurs in living cells
What are examples of active transport?
endocytosis, exocyatosis, sodium potassium pump
What makes up nucleic acids?
nucleotides
What does a peptide bond do?
binds together amino acids
What are examples of passive transport?
osmosis, diffusion, facilitated diffusion
Oxygen moving through the lungs is an example of what?
Diffusion
What happens to a blood cell in a hypertonic solution
water will leave the cell and the blood cell will shrink
What happens to a blood cell in a hypotonic solution
water will enter the cell and it will bloat and eventually explode
Homeostasis
maintaining a constant internal environment in the body
Metabolism
All of the chemical reactions that occur within an organism
is the thoracic cavity superior or inferior to the abdominal cavity?
superior
what separates the thoracic cavity from the abdominal cavity?
Diaphragm
