Show:
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Mixed
100
What is a group of interbreeding organisms?
What is a species?
100
What is an unstable isotope that emits radiation?
What is a radioisotope.
100
What is a prokaryotic cell lacking?
What is a nucleus?
100
What are the two major types of supportive connective tissue?
What is cartilage and bone?
100
What is a double helix sugar-phosphate backbone held together by hydrogen bonds?
What is DNA?
200
What is the process by which evolution occurs?
natural selection
200
What type of bond shares electrons to fill their valence shell?
What is a covalent bond?
200
What is the random movement of molecules from a higher to a lower concentration?
What is diffusion?
200
What attaches skeletal muscle to bone?
What is a tendon?
200
Which metabolic process produces lactate?
What is fermentation?
300
What is an increase in temperature due to increasing carbon dioxide in the atmosphere?
global warming
300
On a pH scale a measure of 5 is what?
What is acidic?
300
What are the 3 fiber types that make up the cytoskeleton?
What is a microtubule, intermediate filament and actin filament?
300
Which type of gland secretes into ducts?
What is an exocrine gland?
300
What organelle has its own DNA and a double membrane?
What is mitochondria?
400
What domain do humans belong to?
Eukarya
400
What are the four organic molecules?
What is a carbohydrate, lipid, protein and nucleic acid
400
Which cell junction fuses two channels and allows communication?
What is a gap junction?
400
What cells of the epidermis form a waterproof barrier?
What is keratinocytes?
400
What body system has all 4 major types of tissue?
What is the integumentary system?
500
What sets mammals apart from birds?
They have mammary glands, hair, facial expressions, live birth, capable of chewing.
500
In DNA what does Adenine always bind to?
What is thymine?
500
In glycolysis glucose is broken into 2 3-carbon ring _______.
What is pyruvates?
500
What membrane secretes a fluid for lubricating the joints?
What is the synovial membrane?
500
What contracts to cause goosebumps?
What is the arrector pilli muscles