Which is the best example of a response to an external stimulus?

A) drinking water after a long run

B) avoiding the sun by looking for food at night

C) a hungry bear hunting for food

D) falling asleep in the treetops of a forest

Q1 Describe how the human genome project has been extended. Q2 Suggest a reason why the project was extended. Q3 Describe the advantage of scientists being organised into teams all around the world to work on the human genome project.

Which of the following is true about DNA? a. both of the original DNA strands act as templates during replication. b. it is a single-stranded molecule. c. only one of the original DNA strands acts as a template during replication. d.

The absolute magnitude of a star:

Commercial plant growers artificially control the lengths of days and nights. This produces a response called A. photoperiodism. B. gravitropism. C. thigmotropism. D. phototropism.

If GFR is 125 ml/min, and you are studying a drug that has a renal clearance rate of 20 ml/min, you can conclude that A. The drug is secreted B. The drug is reabsorbed C. The drug is neither secreted nor reabsorbed

Which lobe of the cerebrum is responsible for planning and initiating voluntary motor movement?

Insulin is a hormone that regulates blood sugar by binding to its receptor, insulin receptor tyrosine kinase. How does insulin’s behavior differ from steroid hormone signaling, and what can you infer about its structure?

Cells divide differentiate or die. What is differentiation

After reviewing the process of meiosis describe how an error during meiosis could lead to polyploidy

What differentiates an autonomic reflex from a somatic reflex? 1. an integration center 2. presence of a sensory receptor 3. a single sensory neuron in the sensory pathway 4. a two-neuron motor pathway