Which of the following is false concerning the structures labeled as 4 in the accompanying figure?

a. They are known as cotyledons.
b. They indicate that this plant is a eudicot.
c. They are part of the maturing embryo.
d. They are surrounded by endosperm.
e. They are derived from the integuments


e

Biology & Microbiology

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The enzyme complex associated with DNA in the figure above is _____

A) helicase B) DNA polymerase C) RNA polymerase D) topoisomerase

Biology & Microbiology

The first heterotrophs obtained their energy from

a. autotrophs. b. chemosynthetic organisms. c. organic material in the ocean. d. photosynthetic organisms.

Biology & Microbiology

Hermatypic corals are the principal reef building corals

Indicate whether the statement is true or false

Biology & Microbiology

Which molecule is the product of the intermediate step which is a direct input into the Krebs cycle?

A) ATP B) pyruvic acid C) carbon dioxide D) NADH E) acetyl CoA

Biology & Microbiology