What type of symmetry does an organism have if it has five identical parts extending from a central hub? A. bi-radial symmetry B. mirrored symmetry C. penta-radial symmetry D. tubed symmetry

Which of the following best pairs darwins contributor to his ideas? a. hutton. b malthus c. Lamarck d. Lyell

If you repeat an experiment multiple times and get three different results, what should be your next step? A. Try to find an explanation for the conflicting results. B. Use data collected by someone else. C. Change your data to fit one conclusion. D.

Honeybees signal the location of food to other honeybees by

What is a heart valve

What is the characteristic of a cell

The polymerase chain reaction (PCR) is used to generate: multiple copies of a targeted region of DNA. a single copy of a targeted region of DNA. single copies of whole chromosomes. multiple copies of whole chromosomes.

Describe what happens in epistasis

What may prevent the detection of lupus anticoagulant in a plasma sample if the blood used for testing is not centrifuged for a sufficient time?

What is a substance that can be formed through the iconic bonding of an anion and a cation?

Which source of energy is normally used for short bursts of activity? lipids protein glycogen lactic acid