Q: Photoautotrophs including (a) plants, (b) algae, and (c) cyanobacteria synthesize their organic compounds via photosynthesis using sunlight as this? Choices: - light source4 - heating source - fuel source - energy source A:
energy source

Q: What law explains how the change in direction of the light ray depends on how the speed of light changes, which in turn is related to the indices of refraction of the media involved? Choices: - Boyle's law - Born's law - Newton's first law - law of refraction A:
law of refraction

Q: Q: What are these examples of: a person riding a carousel and a skydiver in free fall? Choices: - vibration - centrifugal force - centripetal force - acceleration A:
A: acceleration

Question: Q: Which cells change the accessibility, transcription, or translation of a gene? Choices: - endogenous - prokaryotic - ribosomes - eukaryotic A:
Answer: eukaryotic

*Question*
Q: What causes blood vessels to grow toward the tumour in cancer cells? Choices: - harnessing molecules - addressing molecules - communicating molecules - signaling molecules A:
**Answer**
signaling molecules

*Question*
Q: Each what is made of two identical sister chromatids? Choices: - helix - genome - gene - chromosome A:
**Answer**
chromosome