What type of animal do most scientists believe are the ancestors of the modern day whale

Which cell structure is mainly responsible for releasing energy from food molecule in some single - cell organism

A hypothesis is sometimes viewed as "just a guess". Why is this an inaccurate view?

Why should a community use sustainable practices to produce food? A. it keeps farmers in business by earning them the highest profits. B. it protects the environment, farming communities, and farmed species. C.

Darwin's theory of natural selection was not well accepted by his peers because

Which fermentation is not a necessity to human life

What is described in the following equation? 2H2 (g) + O2 (g) → 2H2O (l) A. helium gas combining with oxygen gas to form water B. hydrogen gas combining with oxygen gas to form water C. hydrogen gas combining with water gas to form hydroxide D.

During the polymerase chain reaction, the two DNA strands are separated at 95°C, after which the reaction mixture is cooled to 54°C to allow the primers to hybridize to the DNA strands.

Which of the following describes a benefit of membership in research community?

Two roommates with little botanical knowledge thought they could make a quick profit by growing ferns for the commercial florist market. They thought it would be very easy.

Some have cell walls with lipopolysaccharide. a. Archaea b. Bacteria c. Both Archaea and Bacteria