Bio Unit 3 Sem 1

Question 1

Qualitative Data

Answer 1

Descriptive data

Question 2

Quantitative Data

Answer 2

Collected data and expressed numerically

Question 3

Accuracy

Answer 3

How close a measured value is to its true value

Question 4

Precision

Answer 4

How closely a set of measured values are with each other

Question 5

Repeatability

Answer 5

The variation in successive measurements of the same variable taken under the same conditions

Question 6

Reproducibility

Answer 6

The variation in successive measurements of the same variable taken under changed conditions

Question 7

Validity

Answer 7

How valid an experiment is - if it investigates what it sets out and/or claims to investigate

Question 8

Types of errors

Answer 8

Personal - Mistakes/miscalc made by the experimenter

Systematic - Errors caused by faulty equipment or calibration affecting accuracy

Random - Errors caused by unpredictable variations - results in a spread of readings

Question 9

Outliers

Answer 9

Data points that differ significantly from other observations

Question 10

Experimental group

Answer 10

Group/s to which the IV/treatment is applied

Question 11

Hypothesis

Answer 11

A testable statement that describes the relation between IV and DV

Question 12

Proteome

Answer 12

The entire set of proteins expressed by an organism at a given time.

Question 13

How is a functioning 3D protein structure formed?

Answer 13

Formed primarily through the bonding and interactions between the R-groups of amino acids within the polypeptide chain.

Question 14

The process of gene expression involves

Answer 14

Transcription and Translation

Question 15

The export of protein would involve

Answer 15

The Golgi apparatus.

Question 16

How are two amino acids joined together?

Answer 16

Through a condensation reaction

Question 17

Nucleic acid

Answer 17

DNA, RNA