Atomic number is
a. number of protons
b. number of electrons
c. number of neutrons
Answer: a. number of protons
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Which is the main material of cell membranes?
a. lipids b. proteins c. phospholipids d. triglycerides e. fatty acids
Which is the best brief description of the vascular system of the very first terrestrial plants?
a. The first plants developed specialized vessel cells that conducted water. b. The first plants did not develop a vascular system and did not transport water through the plant. c. The first plants had a very basic vascular system with a simple method of internal transport. d. The first plants had only long, needle-like leaves, from which water could evaporate easily. e. The first plants did not develop a vascular system and transported water through the plant by diffusion from cell to cell.
Neutrophils use their own (DNA/RNA/TLR) in the formation of NETs to trap bacteria
What will be an ideal response?
Assume you inoculated 100 cells, with a generation time of 20 minutes, into 100 ml of nutrient broth. You then inoculated 100 cells of the same species into 200 ml of nutrient broth. After incubation for 4 hours, you can reasonably expect to have
A) more cells in the 100 ml. B) more cells in the 200 ml. C) the same number of cells in both. D) The answer cannot be determined based on the information provided.