Self-Check 1

Question 1

What characteristics are necessary for building a strong scientific claim?

Answer 1

Logical Assumptions, Relevant Evidence, and Representative Samples.

Question 2

Jocelyn finds a statement on health.com by Dr. Robert Fauci, the former Director of the National Institute of Allergy and Infectious Diseases, that reads: “If you’re deficient in vitamin D, that does have an impact on your susceptibility to infection … I would not mind recommending—and I do it myself—taking vitamin D supplements”Dr. Fauci’s recommendation is an example of:

Answer 2

anecdotal evidence

Question 3

What type of evidence is best for establishing cause/effect relationships?

Answer 3

Experimental evidence

Question 4

Which section(s) of a scientific article should you consult to look for potential research biases and study limitations?

Answer 4

Author affiliations and discussion

Question 5

Regression is a statistical method that is used to:

Answer 5

measure the effect of one variable on another

Question 6

DNA is a long, double-stranded molecule composed of sugar, phosphate, and _____. A gene, on the other hand, is a functional segment of DNA that produces ____.

Answer 6

Nitrogen bases and proteins

Question 7

_____ is when tRNA brings each specified amino acid to the _____, where they are linked together to make a protein chain.

Answer 7

Translation and Ribosome

Question 8

____ occurs when mRNA copies the DNA information in the _____.

Answer 8

Transcription and nucleus

Question 9

Convert the DNA sequence T A C G T A A T C into mRNA codons:

Answer 9

A U G C A U U A G

Question 10

The likelihood that a gene will be expressed is known as its:

Answer 10

Penetrance

Question 11

Variation in how a genetic trait actually manifests is known as its:

Answer 11

Expressivity

Question 12

Biological sex is determined by

Answer 12

Anatomy, Chromosomes, Genes and Hormones.