Cells
What is the smallest unit of life?
The cell
What is the smallest unit of matter?
The atom
Biology is the study of...
Life
What is an infectious organism called?
A pathogen
What is a testable, possible explanation of an observation?
a hypothesis
This organelle produces energy.....
Mitochondria
What does the nucleus contain (two parts)? Where is the remaining particle found?
Protons & Neutrons
Electrons are found surrounding the nucleus
What is the term used to describe when an organism maintains a stable internal environment?
Homeostasis
1. Antibiotics are chemicals used to kill or slow the growth of....?
2. What infectious particle is made of only proteins?
1. Bacteria
2. Prions
What variable is measured during an experiment?
Dependent variable
1. Protein synthesis occurs here....
2. This organelle packages, sorts, and delivers proteins
1. Rough Endoplasmic Reticulum
2. Golgi apparatus
Where are electrons located?
Occupy space surrounding the nucleus
Biodiversity if greatest in what region?
Warmer areas near the equator
Unlike passive transport, active transport....
requires energy
Scientific hypotheses are most often tested by the process of....
Experimenting
Membrane sacs in the cytoplasm that transport materials from place to place are called.....
vesicles
Why is carbon special?
What are the 4 carbon based molecules? What is an example of each? (looking for monomers in each)
Proteins - amino acids **note remember proteins are polymers
Carbohydrates - Glucose
Lipids - fatty acids
Nucleic acids - nucleotides (DNA & RNA)
What is an inherited trait that helps an organism survive?
Over time what is the change in genetic makeup of a population over generations?
An adaptation
Evolution
1. Diffusion is the movement of a substance from.....(think about the concentration gradients)
2. Osmosis is the diffusion of what...
1. An area of high concentration to an area of lower concentration
2. Water
What are the experimental variables that are not changed?
Control Variables
What are the three major principles of the Cell Theory?
1. All organisms are made of cells
2. All cells come from preexisting cells
3. The cell is the most basic unit of life
1. What is the attraction among molecules of different substances called?
2. Water forms beads because of?
1. Adhesion
2. Cohesion
How are structure and function related? What is an example of structure and function?
Pt 2: teeth; ex front teeth are sharp for biting food
1. List the types of passive transport (3 types)
2. List the types of active transport (hint: there are 3 including active transport as an umbrella term, you are looking for the other 2)
1. Simple Diffusion, Facilitated Diffusion, Osmosis
2. Active Transport, Endocytosis, Exocytosis
A researcher noticed a decrease in the number of slugs present in an area. This is a....
observation