PCC Bio 201 Exam 1 UPDATED ACTUAL
Exam Questions and CORRECT Answers
What is gross anatomy - CORRECT ANSWER - ...branch of anatomy that deals with the
structure of organs and tissues that are visible to the naked eye.
Define embryology, cytology & microscopic anatomy - CORRECT ANSWER -
...Embryology- development before birth, Cytology- cells of the body, Microscopic Anatomy-
structures to small to be seen with naked eye
The main component of the cytoplasm - CORRECT ANSWER - ...Cytosol
What is mitosis - CORRECT ANSWER - ...cell division that results in two daughter cells
each having the same # and kind of chromosomes as the parent nucleus, typical of ordinary
tissue growth.
Role of leptin in the body - CORRECT ANSWER - ...Leptin regulates energy intake and fat
stores so that weight is maintained within a relatively narrow range. "Leptin is a hormone made
by fat cells, that decrease appetite"
What is an organic molecule - CORRECT ANSWER - ...are the molecules of life and are built
around chains of carbon atoms that are often quite long.
Some functions of lysosomes - CORRECT ANSWER - ...they breakdown, degrade and digest
safely within a cell
What type of epithelium would you find dense microvilli( lining intestines and kidney tubules) -
CORRECT ANSWER - ... simple cubodoidal epithelium
Where would you find Pseudostratified columnar epithelia - CORRECT ANSWER -
...ciliated is found in the trachea and upper respitory tract; non ciliated is found in the male sperm
, Major functions of fat - CORRECT ANSWER - ...provides reserve fuel for cell, insulates
against heat loss, supports and protects organs
What is metabolism - CORRECT ANSWER - ... either Anabolism- which build larger
molucules from smaller ones ( storage of energy). Catabolism- which breaks down from complex
molecules to simpler ones ( with the release of energy).
What do collagen fibers do for IVDs ( intervertebral discs) - CORRECT ANSWER - ...they
provide strentgh with there crosslinks which resits being pulled apart, as well as cushoining.
What produces the most ATPs during cellular respiration - CORRECT ANSWER - ...glucose,
and the electron transport chain
What is a frontal section/cut - CORRECT ANSWER - ...through torso- divides the body by
anterior(front) and posterior(back)
Improperly digesting nutrients, may indicate a problem of which tissue layer - CORRECT
ANSWER - ...simple epithelium
When does the body normally use proteins for energy (ATP) - CORRECT ANSWER -
...When the body is in starvation mode( doesnt have enough carbohydrate or fat calories for Atp
production.
Normal constituents of the plasma membrane - CORRECT ANSWER - ...seperates the
inracellular fluid wihin the cell and the extracellular fluid outside the cell.
What are endocrine glands - CORRECT ANSWER - ductless glands - secrete hormones
directly into blood or lymph ex. pituitary, thyroid
Exam Questions and CORRECT Answers
What is gross anatomy - CORRECT ANSWER - ...branch of anatomy that deals with the
structure of organs and tissues that are visible to the naked eye.
Define embryology, cytology & microscopic anatomy - CORRECT ANSWER -
...Embryology- development before birth, Cytology- cells of the body, Microscopic Anatomy-
structures to small to be seen with naked eye
The main component of the cytoplasm - CORRECT ANSWER - ...Cytosol
What is mitosis - CORRECT ANSWER - ...cell division that results in two daughter cells
each having the same # and kind of chromosomes as the parent nucleus, typical of ordinary
tissue growth.
Role of leptin in the body - CORRECT ANSWER - ...Leptin regulates energy intake and fat
stores so that weight is maintained within a relatively narrow range. "Leptin is a hormone made
by fat cells, that decrease appetite"
What is an organic molecule - CORRECT ANSWER - ...are the molecules of life and are built
around chains of carbon atoms that are often quite long.
Some functions of lysosomes - CORRECT ANSWER - ...they breakdown, degrade and digest
safely within a cell
What type of epithelium would you find dense microvilli( lining intestines and kidney tubules) -
CORRECT ANSWER - ... simple cubodoidal epithelium
Where would you find Pseudostratified columnar epithelia - CORRECT ANSWER -
...ciliated is found in the trachea and upper respitory tract; non ciliated is found in the male sperm
, Major functions of fat - CORRECT ANSWER - ...provides reserve fuel for cell, insulates
against heat loss, supports and protects organs
What is metabolism - CORRECT ANSWER - ... either Anabolism- which build larger
molucules from smaller ones ( storage of energy). Catabolism- which breaks down from complex
molecules to simpler ones ( with the release of energy).
What do collagen fibers do for IVDs ( intervertebral discs) - CORRECT ANSWER - ...they
provide strentgh with there crosslinks which resits being pulled apart, as well as cushoining.
What produces the most ATPs during cellular respiration - CORRECT ANSWER - ...glucose,
and the electron transport chain
What is a frontal section/cut - CORRECT ANSWER - ...through torso- divides the body by
anterior(front) and posterior(back)
Improperly digesting nutrients, may indicate a problem of which tissue layer - CORRECT
ANSWER - ...simple epithelium
When does the body normally use proteins for energy (ATP) - CORRECT ANSWER -
...When the body is in starvation mode( doesnt have enough carbohydrate or fat calories for Atp
production.
Normal constituents of the plasma membrane - CORRECT ANSWER - ...seperates the
inracellular fluid wihin the cell and the extracellular fluid outside the cell.
What are endocrine glands - CORRECT ANSWER - ductless glands - secrete hormones
directly into blood or lymph ex. pituitary, thyroid
