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BIO 255 exam 1 practice ; Questions & Answers
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BIO 255 exam 1 practice ; Questions & Answers
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BIO 255 exam 1 practice ; Questions & AnswersWhich subdiscipline of anatomy will we mainly follow in this course? CORRECT ANS-
systemic anatomy
How are anatomy and physiology related? CORRECT ANS-The shape of a structure (as
described in anatomy) is affected by its function (as described in physiology)
The workings of all of these systems are modified and maintained by signals from which two
systems? CORRECT ANS-Endocrine and Nervous
Do you have a palmaris longus muscle? CORRECT ANS-no
A patient known to have gastric ulcers presents at the emergency room with a sudden and
severe pain in their abdomen. The doctor discovers a gastrointestinal perforation - the
bacterial infection from the ulcer has ruptured the stomach wall. This has led to an infection
in the lining of the abdomen, which would have first started in the: CORRECT ANS-Visceral
peritoneum
What is the glycocalyx? CORRECT ANS-A layer of carbohydrates surrounding the outside of
the plasma membrane
, BIO 255 exam 1 practice ; Questions & Answers
You are examining a cell that has relatively large amounts of rough endoplasmic reticulum
compared to other cells in the same organism. What can you conclude about this cell?
CORRECT ANS-This cell likely produces large amounts of proteins that are secreted from
the cell
Doctors examine the cells of a very sick individual and find that they are full of a complex fatty
compound. The doctors determine that the individual is unable to break down this compound
and therefore it continually accumulates in the individual's cells. Which organelle is likely
malfunctioning and causing this illness? CORRECT ANS-It could be peroxisomes or
lysosomes
You are examining a cell that is covered in microvilli. What can you conclude about the
function of this cell? CORRECT ANS-It can absorb a greater amount of nutrients due to the
increased surface area of the cell.
Once mRNA leaves the nucleus, it is then translated to proteins. Which structures do this?
CORRECT ANS-ribosomes
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