Penicillin-binding protein 2a, encoded by the medA gene, isn’t affected by beta-lactam antibiotics.
a. True
b. False

20 points.

How many species of living things are alive on earth today? more than 1,000,000 none of these answers are correct 100-500 1,000 –500,000 o 500,000 -1,000,000

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups