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Ball State BIO 254 Exam 1 Study Guide | Questions And Answers Latest {} A+ Graded | 100% Verified
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Ball State BIO 254 Exam 1 Study Guide | Questions And Answers Latest {} A+ Graded | 100% Verified
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Ball State BIO 254 Exam 1 Study Guide | Questions And Answers Latest {2024- 2025} A+Graded | 100% Verified
Science Is: - -objective
-testable
Scientific Question (EX) - is a single gene responsible for autism?
Non-scientific question (ex) - Should genetic screening be mandatory? (not objective)
Scientific Methodology - -observations
-Question
-hypothesis
-Prediction
-Experiment
-conclusion
observation - some organisms that ingested sweetner "s" have developed cancer
Question - Is sweeter "s" a safe food additive?
Hypothesis - Sweetener "s" is a safe food additive
Prediction - if mice are given sweetener "s" then there will be no adverse health effects (if/then)
Plaebo - typically a harmless sugar pill or substance that has no effect on the person
Placebo effect - "mind over matter" even though they arent in the control group they get better
, blind - participants don't know
Primary Sources - Journals
double blind - No one knows
Secondary Sources - not the original source
Independent Variables - What will you vary in the experiment?
Dependent Variable - What will change that you will measure
Controlled/ constant variables - do not change, these stay the same
3 criteria for acceptable evidence - 1. Empirical (data/number based)
2. scientific source
3. bias free
Karyotype - picture chart of a person's chromosomes
how many chromosomes in a person - 23 pairs, 46 total
gene - a piece of DNA that holds the instructions for making a simple protein. (polypetide)
Genome - a comlpete set of instructions (set of genes) for building an entire organism
DNA - Cannot leave the nucleus of cell
Ribosomes - make simple proteins
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