2. As you
learned, membranes impermeable to hydrogen
ions are required for electron transfer phosphorylation.
Membranes in mitochondria serve this purpose in eukaryotes.
Bacteria do not have this organelle, but they do make ATP by
electron transfer phosphorylation. How do you
think they do
it, given that they have no mitochondria?

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.

How does the nervous system affect the excretory system?

Which substance contains thylakoids? a) nadph b)atp c)stroma d)chloroplast