Cell Parts
Which of the following is a key difference between prokaryotic and eukaryotic cells?
1. Only prokaryotes need nutrients
2. Only eukaryotes have a nucleus
What is 2?
Which of the following best describes a prokaryotic cell?
1. Contains a nucleus and many organelles
2. Has no membrane-bound organelles
What is 2?
How much energy do carbohydrates provide per gram?
4 calories
What is the function of the nervous system?
Transmitting signals and coordinating body functions
What type of muscle tissue is found in the heart?
Cardiac Muscle
What is the primary function of the cell membrane?
To control what enters and exits the cell
What is the primary role of proteins in cells?
Structural support and enzyme activity
Which of the following best describes the role of enzymes in cellular respiration?
1. They store excess glucose
2. They speed up chemical reactions
2
What type of tissue forms the outer layer of skin and lines body cavities?
Epithelial tissue
Which system works closely with the circulatory system to exchange gases in the body?
Respiratory system
What organelle is known as the "powerhouse" of the cell?
The mitochondria
The nucleus of a cell contains?
Genetic material (DNA)
What is the primary function of ATP in cellular respiration?
To provide energy for cellular processes
Which system is responsible for defending the body against disease-causing organisms?
The Immune System
What is the primary function of the muscular system?
Producing movement and maintaining posture
What is the main function of chloroplasts in plant cells?
To complete photosynthesis
What is the term that describes a single-celled or multi-celled living thing?
An organism
During cellular respiration, what is the main energy source broken down by cells?
Glucose
What is the main function of connective tissue?
Supporting and connecting other tissues
The circulatory system consists of what parts?
In which part of the cell would you find most chemical reactions taking place?
The cytoplasm
What is the main difference between plant and animal cells regarding organelles?
Only plant cells have chloroplasts
How much energy do fats provide per gram?
9 calories
Which organ system is responsible for breaking down food into nutrients that can be absorbed by the body?
The Digestive System
What type of tissue is blood known as?
Connective tissue