The descending limb of the loop of henle a. is freely permeable to sodium and urea b. is not permeable to water c. pulls water by osmosis into the lumen of the tubule d. contains fluid that becomes more concentrated as it moves down into the medulla

Which type of bond forms between water moleculesstrong bondhydrogen bondcovalent bondpolar bond

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

What evidence did mendel find that supported his law of independent assortment? a. some traits are controlled by several different genes. b. a trait can be passed on from a parent to an offspring. c. most traits have a dominant form and a recessive form. d. different traits are passed on independently of each other.