DNA contains four kinds of nitrogenous bases: (choose 4 answer choices)

deoxyribose sugar

adenine

ribose sugar

UUO

uracil

cytosine

thymine

phosphate group

guanine

What two characteristics of the males most influence their likeliness to mate

Which natural occurrence is an example of a long-term environmental change? O Lightning sparks a forest fire. O An earthquake results in a tsunami. O A river floods due to a strong thunderstorm.

A cancerous tumor eventually grows faster than surrounding tissues because a greater proportion of its cells are dividing. True or false? A) true B) false C) none of the above

in order for a hypothesis to be testable, scientists need to be able to carry out investigations that will either support or disprove it true or false

When a cross is made and a trait disappears in the F1 generation, only to reappear in the F2,? the trait is probably a. Linked c. Recessive

For finches on the Galapagos a significant change in big size can observed across the years Rapunzel rainfall orchestra how can the changes and finch beak size be attributed to evolution

Which is an immune system

Plants cannot use this component of the atmosphere directly; it must be modified by bacteria first. oxygen carbon dioxide nitrogen water vapor

22) All organisms undergo DNA replication for reproduction, growth, repair, etc. DNA replication occurs just before the process of A) meiosis. B) mitosis. C) transcription. D) translation.

Two genera of birds exist side-by-side on an island. Genus A is characterized by a few species of similar, genetic material. Genus B contains different species of birds with a wide variety of genetic traits.