Eukaryotic flagella, the fibers that slide past one another due to the activity of dynein proteins are . 2. many cell organelles, most notably the nucleus, are anchored by which are assembled from a diverse class of proteins. 3. centrosomes are sites where protein dimers assemble into . 4. the extension of pseudopodia in amoeba is due to the regulated assembly and destruction of . 5. the only cytoskeletal fibers not associated with intracellular movement or whole cell locomotion are the intermediate filaments. 6. during muscle contractions, myosin motor

Which of the following typically characterizes a tropical rainforests

Use this dichotomous key for insect identification to identify the insect shown. 1. a. insect has one pair of wings. order diptera b. insect has two pairs of wings. go to #2 2. a. front wings thicker in texture than hind wings go to #3. b. front and hind wings are same texture throughout. go to #4 3. a. front wings are short order dermaptera b. front wings cover entire abdomen order coleoptera 4. a. wings with scale on all parts of their area. order lepidoptera b. wings without scales go to #5. 5. a. hind wings smaller than front wings. order ephemeroptera b. front and hind wings nearly equal in size. order odonata the insect pictured is in the order diptera. ephemeroptera. coleoptera. odonata.

8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.