MTTC Integrated Science Exam Questions with Correct Answers
3 views 0 purchase
Course
MTTC Integrated Science
Institution
MTTC Integrated Science
MTTC Integrated Science Exam Questions with Correct Answers
Characteristics of Living Things - Answer-1. Made of cells, grow, capable of reproduction, and respond to stimuli
2. Adapt to environmental stimuli or perish
3. Carry on metabolic processes. They use and make energy.
Mitosis - Answer...
MTTC Integrated Science Exam
Questions with Correct Answers
Characteristics of Living Things - Answer-1. Made of cells, grow, capable of
reproduction, and respond to stimuli
2. Adapt to environmental stimuli or perish
3. Carry on metabolic processes. They use and make energy.
Mitosis - Answer-1. Division of somatic cells
2. Two cells result from each division
3. Chromosome # is identical to parent cells
4. For cell growth and repair
Meiosis - Answer-1. Division of sex cells
2. Four cells result from each division
3. Chromosome # is half the # of parent cells
4. Recombinations provide genetic diversity
Commonalities Among all Sciences - Answer-- Systems, order, and organization
- Evidence, models, and explanation
- Constancy, change, and measurement
- Evolution and equilibrium
- Form and function
Empirical Evidence - Answer-All evidence is empirical; all evidence must be observed
by the five sense.
Peer-reviewed Journals - Answer-Most accepted source for information on scientific
experiments and studies
Air Pollution - Answer-Chemicals in the air; include carbon monoxide, sulfur dioxide,
and chlorofluorocarbons (CFC's)
Water Pollution - Answer-Contaminants enter water by ground runoff or by leaching
Thermal pollution - Answer-Factories dump water at high temperatures which increases
normal water temperatures. This means the water can hold less gas, disrupting the
ecosystem
Greenhouse gasses - Answer-I.e. carbon dioxide and nitrous oxide. Concentration of
them is increased by burning fossil fuels. These gasses absorb and trap heat, therefore
warming the planet
,Independent Variable - Answer-The experimental factor that is manipulated; the variable
whose effect is being studied. Placed on the x-axis (horizontal) on a graph.
Dependent Variable - Answer-The variable that is measured in an experiment. Placed
on the y-axis (vertical) on a graph.
Scientific theory - Answer-Must be repeatable. Possible to be disproved and capable of
change.
Sampling and Sample Size - Answer-Random sampling is the preferred, but isn't always
possible. A large sample will yield the most accurate information.
Manipulating Variables - Answer-Only one variable should be manipulated at a time.
Control variable - Answer-A factor that is held constant to test the relative impact of an
independent variable
Response to Lab Accident - Answer-In most cases, 911 should be called immediately.
Response to Fire in a Beaker or Flask - Answer-Do not use a fire extinguisher. Just
place a watch glass or wet towel over it to cut off Oxygen supply.
Guidelines for Dissections - Answer-Specimens should be rinsed before using. Latex
glover preferred. Avoid use of formaldehyde/dispose of correctly. Need to provide
alternative for students with moral objections to assingment.
Storing Lab Chemicals - Answer-Store all in secured, dry area. Acids locked in separate
area.
Origin of Biological Sciences - Answer-Traced back to ancient Greeks (i.e. Aristotle)
Andrea Vesalius - Answer-Dissected human bodies; created a book on anatomy
Anton van Leeuwenhoek - Answer-Father of Microscopy, first to see and describe
bacteria, yeast plants, and microscopic life found in water
Scanning Electron Microscope (SEM) - Answer-Instead of a light, a beam of electrons
pass through specimen. Resolution about 1,000 times greater than light microscope.
Will kill specimen though.
Robert Hooke - Answer-Famous for Hook's law describing elasticity. But called a
"virtuoso", able to contribute findings to any major field in science
Carl Von Linnaeus - Answer-Famous for binomial system of nomenclature. Each living
organism has two names, a genus and species. Considered father of modern ecology
and taxonomy
, Pasteur - Answer-Discovered role of microorganisms in the cause of disease,
pasteurization, and rabies vaccine.
Koch's Postulates - Answer-Specific diseases caused by specific pathogens
Cell theory - Answer-Cell is the common structural unit in plants and animals. Proposed
by Mattias Scheleiden and Schwann.
Watson and Crick - Answer-Discovered the structure of DNA was a double helix (in the
1950s). Made it possible to understand how DNA replicated and synthesized proteins
Acid ran - Answer-Sulfur and nitrous oxides converted to acids and contaminate water
supplies
Prokaryotes - Answer-Single-celled organisms that do not have a membrane-bound
nucleus
Flagella - Answer-Appendages on bacteria cells; used for movement
Pili - Answer-Used by bacteria cells to attach to other cells
Cell Wall - Answer-a thin membrane around the cytoplasm of a cell
Cell membrane - Answer-a phospholipid layer that covers a cell's surface and acts as a
barrier between the inside of a cell and the cell's environment
Eukaryotes - Answer-organisms whose cells contain a nucleus and other membrane
bound organelles
Nucleus - Answer-a part of the cell containing DNA and RNA and responsible for growth
and reproduction
Nucleolus - Answer-The organelle where ribosomes are made, synthesized and partially
assembled, located in the nucleus
Ribosomes - Answer-site of protein synthesis
Endoplasmic Reticulum - Answer-an internal membrane system in which components of
cell membrane and some proteins are constructed
Golgi apparatus - Answer-stack of membranes in the cell that modifies, sorts, and
packages proteins from the endoplasmic reticulum
Lysosomes - Answer-An organelle containing digestive enzymes; found mostly in
animal cells
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Scholarsstudyguide. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.39. You're not tied to anything after your purchase.
