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

a. thymine

b. cytosine

c. guanine

d. adenine?

Which of the following is the most inclusive? genus kingdom order species

In pea plants, Mendel found that the allele for smooth seeds (S) is dominant, while the allele for wrinkled seeds (s) is recessive.

Why does the ocean appear blue in color

Describe and explain the importance of a water potential gradient in the uptake of water by plants.

to support life, why must a planet have a roughly circular orbit around a sd tar? A. so fresh water is available. B. to keep the proper air molecules in the atmosphere. C. to support chemical reactions. D. for temperature regulation

What happened at Chernobyl? (first to answer this will be marked as the brainliest)

2 cycles most closely related in their role in sustaining life

Which statement explains the difference between multiple alleles and polygenic inheritance? A. Multiple allele means more than one gene contributes to the phenotype and polygenic inheritance means more than two forms of the same gene in the

Select all that apply. Which of the following are characteristics of Cnidaria? radial symmetry acoelomates bilateral symmetry coelomates asexual reproduction sexual reproduction

Which of the following correctly arranges the planets by the size of their diameter? A) Uranus < Neptune < Mercury < Earth B) Earth < Mercury < Neptune < Uranus C) Mercury < Earth < Saturn < Jupiter D) Jupiter < Saturn < Earth < Mercury