What is the nitrogenous base found in dna and rna; pairs with guanine select one:

a. thymine

b. cytosine

c. guanine

d. adenine?

so, i kinda need the keystone teacher answer keys is there any way to legal way do that without requiring a teacher acount

Which does not contribute to triglyceride digestion?

What three things must be accomplished to enable an organism to maintain homeostasis?

Definition: this refers to an increase in some quantity over time. in organisms, this is a result of mitosis.

Which is a function of the central nervous system? a. pumping blood through the body b. controlling coordination in the body c. fighting bacteria that enter the body d. breaking down carbohydrates in the body

1. What special structures are specific to the phylums of Porifera, Cnidaria, Ctenophora, and Platyhelminthes?

The part of a neuron that contains the nucleus is the cell body dendrite axon glial

How does scientists use ice to study ancient climates

If a male organism has a total of 40 chromosomes in each body cell, how many total chromosomes does a female of the same species have in each body cell? How many many homologous pairs of chromosomes does the male have?

On a phylogenetic tree, which term refers to lineages that diverged from the same place? sister taxa basal taxa rooted taxa dichotomous taxa