BIO-201 Exam 1

Front

In the process of feedback during a long run, the hypothalamus in a BIO-201 student's brain acts as what control system?

Back

Control Center (Integrator)

Front

Which definition correctly explains positive feedback?

Back

Positive feedback functions to AMPLIFY a stimulus to push the variable farther (ex: platelets releasing chemical signals to attract more platelets during blood clotting)

Front

In glycolysis, glucose is BROKEN DOWN into 2 pyruvate molecules. Which word describes this metabolic process: CATABOLIC or ANABOLIC?

Back

catabolic

Front

ATP Synthase is a(n) ______ at the end of the electron transport chain that functions to convert ADP -> ATP.

Back

enzyme

Front

Interactions BETWEEN water molecules is what type of bond?

Back

hydrogen

Front

In proteins, hydrogen bonds form helices and sheets. How would a protein be described at this level?

Back

secondary structure

Front

this graph represents what type of reaction?

Back

exergonic reaction

Front

In cellular respiration, glucose and O2 are ultimately converted into CO2, H2O, and energy in the form of ATP. In this reaction, ______ is oxidized and _____ is reduced. HINT: electrons stick with HYDROGEN!

Back

glucose is oxidized, O2 is reduced

Front

Lactic acid build-up occurs when there is not sufficient ______ available.

Back

oxygen

Front

At homeostatic levels, ____ (ion) is present in higher concentration OUTSIDE of the cell and ____ (ion) is present in higher concentration INSIDE of the cell.

Back

Na+ is present in higher concentration OUTSIDE of the cell and K+ is present in higher concentration INSIDE of the cell.