Las células están formadas por cuatro tipos de biomoléculas: los carbohidratos, los lípidos, las proteínas y los ácidos nucleicos. De estas, las principales fuentes de energía son

A. Los carbohidratos y las proteínas.
B. Los lípidos y los carbohidratos.
C. Las proteínas y los lípidos.
D. Carbohidratos, lípidos y ácidos nucleicos.

Which of the following would be least likely to support the modern concept of biological evolution? ( 2 points) a)different species of organisms with similar bone patterns b)different species of organisms with similar reproductive rates species in c)different domains with similar metabolic pathways species in d)different kingdoms with similar cellular structures.

Organisms are classified, or grouped into categories, based on similarities in their characteristics and/or evolutionary relationships. the study of how organisms are classified is known as

Plz ! cattle ranchers and dairy farmers rarely allow all of their animals to reproduce instead they practice selective breeding and only encourage the reproduction of animals with specific features. which of the following cows would a dairy farm most likely choose to reproduce? a. a cow that makes a lot of milk. b. a cow that can run quickly. c. a cow with a think, soft fur. d. a cow with large, strong hooves.