Q: Sickle cell disease is caused by production of an abnormal type of what? Choices: - fat globule - thrombocyte - leukocyte - hemoglobin A:
hemoglobin

Q: In machines that increase force, such as ramps and doorknobs and nutcrackers, what is the relation between output and input force? Choices: - drop is greater - output is smaller - input is greater - output is greater A:
output is greater

Q: Q: What are the two types of vascular plants? Choices: - dahlias and seed - Water and spore - ants and seed - seedless and seed A:
A: seedless and seed

Question: Q: What are the areas between cells that either allow or prevent the movement of materials called? Choices: - sections - corners - receptors - junctions A:
Answer: junctions

*Question*
Q: Lactose is a disaccharide consisting of the monomers glucose and what? Choices: - fructose - glycerol - sucrose - galactose A:
**Answer**
galactose

*Question*
Q: A short reflex is completely what and only involves the local integration of sensory input with motor output? Choices: - neuronal - physiological - central - peripheral A:
**Answer**
peripheral