Bio 201 Exam 1 Questions and Answers 100% Pass Already Graded A+
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Course
Bio 201
Institution
Bio 201
Bio 201 Exam 1 Questions and Answers
100% Pass Already Graded A+
What is gross anatomy - ...branch of anatomy that deals with the
structure of organs and tissues that are visible to the naked eye.
Define embryology, cytology & microscopic anatomy - ...Embryologydevelopment before birth, Cytolog...
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 - ✔✔...Cytosol
What is mitosis - ✔✔...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 - ✔✔...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 - ✔✔...are the molecules of life and are built
around chains of carbon atoms that are often quite long.
,Some functions of lysosomes - ✔✔...they breakdown, degrade and digest
safely within a cell
What type of epithelium would you find dense microvilli( lining intestines
and kidney tubules) - ✔✔... simple cubodoidal epithelium
Where would you find Pseudostratified columnar epithelia - ✔✔...ciliated is
found in the trachea and upper respitory tract; non ciliated is found in the
male sperm
Major functions of fat - ✔✔...provides reserve fuel for cell, insulates against
heat loss, supports and protects organs
What is metabolism - ✔✔... 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) - ✔✔...they
provide strentgh with there crosslinks which resits being pulled apart, as
well as cushoining.
What produces the most ATPs during cellular respiration - ✔✔...glucose,
and the electron transport chain
What is a frontal section/cut - ✔✔...through torso- divides the body by
anterior(front) and posterior(back)
, Improperly digesting nutrients, may indicate a problem of which tissue layer
- ✔✔...simple epithelium
When does the body normally use proteins for energy (ATP) - ✔✔...When
the body is in starvation mode( doesnt have enough carbohydrate or fat
calories for Atp production.
Normal constituents of the plasma membrane - ✔✔...seperates the
inracellular fluid wihin the cell and the extracellular fluid outside the cell.
What are endocrine glands - ✔✔ductless glands - secrete hormones
directly into blood or lymph ex. pituitary, thyroid
What is phagocytosis - ✔✔...cell eat- ingestion of bacteria or other material
The primary function of cellular respiration - ✔✔...metabolism to form ATP
The basic structural material of the body is made of what - ✔✔...Proteins
What are microvilli - ✔✔...projections from the surface of some cells, have
a fuzzy appreance called a brush border (fingerlike extensions)
What is passive membrane transport; - ✔✔...substances cross the
membrane without any energy input from the cell; unlike active transport
that requires energy from the cell
What are the characteristics of Psuedostratified Columnar Epithelium -
✔✔...single layer of cells of differing heights, some not reaching the free
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