Science: Cells Test 1

Levels of Cellular Organization

Levels of Cellular Organization

Cells, Tissues, Organs, Organ Systems, Organisms

Regulation

Response to changes in the environment, controlled by the nervous system. Ex: Sweating, Shivering, or Pulling your hand away from a hot pan

Ingestion

Taking in food or drink. Occurs in the cell membrane and mouth.

Excretion

Removing waste. Occurs in the cell membrane and going to the bathroom. Ex: Pooping & Peeing

Cellular Respiration

The process that uses O₂ (Oxygen) to change C₆H₁₂O₆ (Glucose) into energy. Occurs in the mitochondria

Transport/Movement

An organisms ability to move or molecules moving within the body. Occurs across cell membranes and circulatory system. Ex: Diffusion, Osmosis

Reproduction

Producing offspring from reproductive organs. Producing cells for: Growth, Development, Repair. Ex: Baby being born, & a cut healing

Photosynthesis

Process producers do to convert light energy into chemical energy. Occurs in the chloroplast

Digestion

Breaking down of food into smaller usable forms. Occurs in the mouth & stomach. Ex: Stomach Acid & Chewing

Cell Theory

A All living things are made up of one or more cells

B Basic Unit of All Things

C Cells Come Only From Other Preexisting Cells

Equation for Photosynthesis

CO₂ (Carbon Dioxide) + H₂O (Water) → C₆H₁₂O₆ (Glucose) + O₂ (Oxygen)

Reactants of Photosynthesis

CO₂ (Carbon Dioxide) & H₂O (Water)

Products of Photosynthesis

C₆H₁₂O₆ (Glucose) & O₂ (Oxygen)

Location of Photosynthesis

Inside the chloroplast

Equation for Cellular Respiration

O₂ (Oxygen) + C₆H₁₂O₆ (Glucose) → CO₂ (Carbon Dioxide) + H₂O (Water) + Energy

Location of Cellular Respiration

In the cells of organisms, specifically in the mitochondria

Diffusion

The movement of molecules from high concentration to low concentration

Osmosis

The diffusion of water from high concentration to low concentration across a membrane

Equilbrium

When there are the same number of molecules on each side of a membrane

Selectively Permeable

Allows certain materials to go in and out of the cell