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Honors Biology Part 1 Exam
Overview of Chapters 1-26
35
Biology
10th Grade
02/08/2008

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Term
Instructions for traits that are passed from parents to offspring.
Definition
Genes
Term
Study of communities or organisms in relation to their environment.
Definition
Ecology
Term
All living this maintain a balance within their cells and the environments through the process of
Definition
homeostasis
Term
Scientific hypothesis are most often tested by what process?
Definition
Experimentation
Term
What is hypothesis?
Definition
A testable possible explanation of an observation.
Term
something that has been proven repeatedly but may ve revised as new evidence is presented.
Definition
Scientific Theory
Term
What is the order in which the steps of the scientific method are applied?
Definition
Observation, hypo0thesis, prediction, controlled test, verification, theory
Term
If a light microscope has an objective lens of 10x and an ocular lens of 40x, what is its total magnification?
Definition
400x
Term
What was Hooke looking at when he made his discovery of celss?
Definition
Cork (dead plant cells
Term
What happens to the surface area of a cell when its volume increases?
Definition
It increases at a slower rate.
Term
What is an important limiting factor in cell growth?
Definition
Surface area to volume ratio
Term
What is an example of a prokaryotic cell?
Definition
Bac
Term
What is present in only eukaryotic cell?
Definition
Nucleus and membrane bound organelle
Term
What is the structure that regulates what enters and leaves the cell?
Definition
Plasma membrane
Term
What is a structure w/in a cell that performs a specific function called?
Definition
Organelle
Term
What organelle must be present in large numbers if a cell is very active?
Definition
Mitochondria
Term
What is one important organelle that helps maintain homeostasis by moving supplies from one part of the cell to the other?
Definition
ER
Term
In which organelle of the cecll is ATP made?
Definition
Mitochondria
Term
Numerous hairs like organelles that protrude from the surface from the surface of a cell and are packed in tight rows are called what?
Definition
cilia
Term
Where are proteins made in the cell?
Definition
on ribosomes
Term
What's the packaging and distribution center of the cell called?
Definition
golgi apparatus
Term
If you're looking at a cell under a microscope, what structure would immediately id it as a euk.?
Definition
nucleus
Term
What structures are found in a plant cell and not an animal cell?
Definition
cell wall, chloroplasts, and a large central vacuole
Term
Where does photosynthesis occur in the plant cell?
Definition
chloroplast
Term
In a plant cell, where are the wastes, waters, and nutrients stored?
Definition
central vacuole
Term
As a result of diffusion, what happens to the concentration of many types of substances?
Definition
they eventually become balanced on both sides of a membrane
Term
What are the 3 forms of passive transport in which no energy is used?
Definition
diffusion, osmosis, and facilitated diffusion
Term
What are the forms of active transport in which energy is used to move things in and out of a cell?
Definition
endocytosis, exocytosis, sodium-potassium pump
Term
Cell in hypotonic environment will___
Definition
swell
Term
Cell in hypertonic environment will____
Definition
shrink
Term
What do you call the protein disk that attaches two chromatids to each other in a chromosome?
Definition
centromere
Term
Diploid and haploid number of chromosomes in humans?
Definition
diploid- 46
haploid- 23
Term
Cell cycle steps in order
Definition
G1, S, G2, Mitosis, Cytokinesis
Term
Phase of mitosis when chromosomes arrange along the cell equator.
Definition
metaphase (meet in middle)
Term
After mitosis and cytokinesis, each of the two new cells formed from the original human cell has ____ chromosomes.
Definition
46
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