What two parts of a nucleotide do not change throughout the structure of DNA? * Five-Carbon Sugar and Nitrogen Base
Phosphate Group and Nitrogen Base
Five-Carbon Sugar and Phosphate Group
All components remain the same throughout the DNA structure

How does the molecular clock work? a. it analyzes the brain functionality of two different species. b. it examines and compares the physical characteristics of two different species. c. it illustrates relationships between two different species. d. it compares the number of mutations that exist in the dna of two different species.

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

Which of the following situations describes a adaptation for a mole? question 2 options: a mole is blind and cannot see underground. a mole is bright and attracts the attention of predator birds. a mole has a sensitive sense of smell to it find food underground.