You catch, tag, and release 35 fish back into a pond. Then, you catch 70 more fish, 12 of which have tags on them. What is the best estimate of the number of fish in the pond? a.

100

b.

150

c.

142

d.

204

An mRNA is 429 nucleotides long. The number of amino acids in the polypeptide chain formed from this mRNA is (A) 143. (B) 142. (C) 141. (D) 429. (E) 428.

Which characteristic do protozoans Foraminiferans (Phylum Sarcodines) and coccolithophores (Phylum Haptophyta) have in common?

True or False: Short arrows represent high (fast) velocity. True False

The three particles that make up atoms are

Acetic acid, commonly known as vinegar, is sour. Which functional group is present in acetic acid? A. amino group B. phosphate group C. carboxyl group

species composition is used to describe the amount of each species in an area has while species diversity is used to describe the number of species found in an area. True or false.

Sometimes, samples can be placed directly under a microscope. At other times, it is necessary to add water to the slide and make a wet mount. The steps for preparing a wet mount are shown below.

Which of these have prokaryotic cells? a. snails c. bacteria b. frogs d. food

Which kingdom is prokaryotic, single cell with peptidoglycan in their cell walls

Which sentence describes energy flow through a natural system? A strong wind blows across a Midwestern prairie. The wind forces the blades of a wind turbine to rotate. As the blades spin, the turbine converts mechanical energy to electrical energy.