A(n) (nonpolar/polar/ionic/hydrogen) bond is one in which electrons are shared equally between atoms
What will be an ideal response?
nonpolar
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Sea otters have been used as an example of the "Keystone Species" concept. This means that sea otters
A. are the base of the food chain in their ecosystem. B. are the dominant species in their ecosystem. C. exert a strong influence on the structure and functioning of their ecosystem. D. have been recently introduced and are recruiting other new species to the ecosystem.
What is the function of NADH and FADH2?
a. Both release energy for glycolysis to proceed forward. b. Both provide electrons to the electron transfer system. c. Both produce ATP by substrate-level phosphorylation. d. NADH delivers electrons, while FADH2 supplies H+. e. NADH is found only in the cytosol and FADH2 only in the matrix.
How do the plasma membranes of Archaea
differ from the plasma membranes of Eukarya?
a. their membranes are more rigid b. their membrane phospholipids do not have fatty acids c. their membrane phospholipids have reactive side chains d. their membrane phospholipids form covalent bonds with one another e. all of these are differences of the plasma membranes of Archaea
Your rich uncle, an eccentric botanist, has died. The will states: "Just like my favorite plants, I keep my wealth buried underground." Where do you dig for his treasure?
A. Dig up the roots of the mistletoe plants, which store large quantities of water. B. In the herbaceous perennial bed. Perennial stems die each fall, but underground nutrient stores provide energy for regrowth each spring. C. In the peanut field. Legumes have root nodules which house symbiotic ants that harvest honey, a nutritional "treasure". D. In the annual plant bed. Annuals store nutrients in extensive underground root systems that allow them to regrow each year.