Sem1 Final Exam Review 24-25

Front

What macromolecule stores energy and is the main component of our cell membranes?

Back

Lipids

Front

In a water molecule, where is the slightly positive pole and where is the slightly negative pole?

Back

1. hydrogen (positive), 2. oxygen (negative)

Front

What is the dependent variable when comparing brands of paper towels based on liquid absorption?

Back

Amount of liquid absorbed

Front

If grasses have 10,000 kcal available, how many kcals are available to the secondary consumer?

Back

100 kcal

Front

What happens to a population over time when it reaches carrying capacity?

Back

It will show a logistic growth pattern.

Front

Define macromolecule.

Back

Large molecules made up of smaller subunits, essential for life.

Front

What is the role of carbohydrates in living organisms?

Back

They provide energy and structural support.

Front

Explain the concept of carrying capacity in ecology.

Back

The maximum population size that an environment can sustain.

Front

What is the significance of water's polarity?

Back

It allows for hydrogen bonding, affecting properties like cohesion and adhesion.

Front

What is the difference between independent and dependent variables?

Back

Independent variables are manipulated, while dependent variables are measured.