Which organism has cerebral ganglia in its head connected to ladder-like arrangements of nerve fibers?

spider

frog

seahorse

flatworm

Brainstorm how you could run a pcr reaction if you did not have access to a thermal cycler.

What is the equivalent of 0 Kelvin on the Celsius scale?

You need to make 2.00 L of a calcium hydroxide solution with pH = 12.50. What mass of the solid must be dissolved? (Note: the solubility of calcium hydroxide is 1.

What is the value of 1,152 btu in joules

F2 is light yellow/colorless in hydrocarbon solvent. I2 is pink. If a student combines fluorine water with NaI (sodium iodide) in water, then adds pentane and observes a nearly colorless pentane layer, what can the student conclude?

What is part of an experiment that is not being tested and is used for comparison

Is hydrogen sulfide a heterogeneous mixture solution compound or element?

Explain why people who like to stay cool on a hot summer day prefer to wear white clothing?

Which of these is a chemical property? A. Mercury is a dense liquid. B. Iodine vapor has a purple color. C. Aluminum is a very conductive metal. D. Ice melts at 0°C. E. Iron rusts in wet weather.

Which of the following is not true about the importance of the carbon cycle to living things? a. Plants use carbon dioxide to make energy. b. Carbon is the second most abundant molecule in organisms. c.