Which of the following is a testable hypothesis?
A) Taking zinc lozenges at the first sign of cold symptoms is wise.
B) Avoiding contact with other people reduces the chance of catching a cold.
C) Being a good driver makes you less likely to catch a cold.
D) Sleeping 8 hours a night makes you feel better when you have a cold.
B
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Strategies for Adaptation to Immediate Changes to Environment
What will be an ideal response?
Many plants are filled with toxins that kill or deter herbivores. Many plants sequester these compounds within the cell. Where in the plant cell are these toxic substances most likely stored?
A. Mitochondria B. The stroma C. Central vacuole D. Amyloplasts E. Lysosomes
Which of the following is a difference between primary and secondary active transport?
A. Primary active transport moves solutes in opposite directions while secondary transport moves solutes in the same direction Primary active transport is driven by secondary active transport. B. In primary active transport, the transport protein gets phosphorylated; in secondary active transport, the transport protein is not phosphorylated. C. Energy is required for primary active transport, but not secondary active transport D. Primary active transport is driven by secondary active transport
__________ are fairly small organelles that provide a safe place within the cell to carry out certain biochemical reactions that generate harmful, highly reactive oxygen species
These chemicals are both generated and broken down in the same location. (a) Nucleosomes (b) Lysosomes (c) Peroxisomes (d) Endosomes