Principles of Biology Exam 1 (Uark Shadwick) Test Questions Fully Solved Updated.

Principles of Biology Exam 1 (Uark
Shadwick) Test Questions Fully
Solved 2025-2026 Updated.
Strengths of Science - Answer -publicly understandable

- self correcting

- predictive



Qualities of Life - Answer - organized

- acquire material and energy

- reproduce

- respond to stimuli

- homeostatic

- grow and develop

- capacity to adapt



2 main components of viruses - Answer -capsid

- nucleic acid core (DNA or RNA)



Virus life cycle - Answer Attachment

Entry

Replication

Biosynthesis

Assemble

Budding/Emergence

Repeat/Release?



Life on earth has changed - Answer Law (describes)



Things fall due to orbit - Answer Theory (explains)

, Deductive reasoning - Answer general to specific



Covalent bonding - Answer SHARING of Electrons!

polar= unequal

non-polar= equal



Ionic bonds - Answer transfer electrons

Na- donor

Cl- acceptor



Hydrogen bonds - Answer Weak individually, but strong together

(F) (O) (N)



Acid solutions - Answer high concentration of Hydrogen ions

-pH of 0-6



X-axis - Answer experimental variable (time)



Y-axis - Answer dependent (result)



Challenges for Science - Answer -Loss of Diversity

-Emerging/Reemerging Diseases

-Climate Change



Properties of H2O due to Hydrogen Bonds - Answer - high heat capacity (doesn't change
temp. easy)

- High heat vaporization (cooling)

-dissolves in many molecules (hydrophobic/phillic)



Cohesion - Answer water molecules cling together.