Cells and Tissues
What is the basic unit of life in all living organisms?
What is a cell
Which system in the body is responsible for transporting oxygen and nutrients?
What is the circulatory system
What term describes how cells in multicellular organisms become specialized to perform specific tasks?
What is cell specialization
The passing of traits from parents to offspring is called what?
What is heredity
What does DNA stand for?
What is deoxyribonucleic acid
Which type of cells are responsible for sending electrical signals in the body?
What are nerve cells
Which organ system breaks down food into nutrients the body can use?
What is the digestive system
True or False: All cells in your body are the same?
What is false
What is the term for a characteristic that can be passed from one generation to the next, such as eye color?
What is a trait
What shape does the DNA molecule take?
What is a double helix
Tissues are made up of similar types of what?
What are cells
What organ system sends messages through nerves to control other parts of the body?
What is the nervous system
What type of cell carries oxygen in the blood?
What is a red blood cell
What are the thread-like structures that carry genes and determine traits?
What are chromosomes
What are the building blocks of DNA called, made up of a sugar, phosphate group, and a nitrogen base?
What are nucleotides
Name a type of tissue that can contracts and helps move parts of the body?
What is muscle tissue
Which organ system helps bring oxygen into the body and expels carbon dioxide?
What is the respiratory system
What are the three main types of muscle tissue found in the body?
What are skeletal, smooth and cardiac muscle tissue
If brown eyes are a dominant trait and blue eyes are recessive, what would be the genotype for a person with brown eyes, but a hidden recessive gene for blue eyes?
what is Bb
What are the four nitrogen bases found in DNA?
What are adenine, thymine, guanine, and cytosine
What is the name of the group of cells that covers and protects the body's surface and lines organs?
What is epithelial tissue
Which two organ systems work together to deliver oxygen to muscles during exercise?
What are the circulatory and respiratory systems
What type of cells can become any type of specialized cell?
What are stem cells
Which scientist is known as the "father of genetics" for his work on pea plants?
Who is Gregor Mendel
In the DNA pairing rules, adenine always pairs with which nitrogen base?
What is thymine