State two different characteristics that distinguish autotrophs from heterotrophs.

Look at the table on the right. Which of these two organisms are most closely related

Select six operations performed or directed by the nucleus: 1 cell reproduction 2 invasion guard 3 instructions 4 coded information 5 power plant 6 chromosomes 7 exact placement of varieties of cells 8 control center 9 waste disposal

More than 100 locations were not listed in figure 1 because the amino acid was the same in all eight species. One possible explanation is that no mutations occurred in the codons for those locations. Suggest another possible explanation

A divide as it relates to Earth science is the a. stream that flows between two trees. b. rate of precipitation that exceeds infiltration. c. largest river system possible. d. elevated land area that separates one watershed from another.

What is the term used to describe the heritable, physical characteristics of a living organism? A. pedigree B. genotype C. allele D. phenotype

The degradation of alanine yields pyruvate and the degradation of leucine yields acetyl coa. can the degradation of each of these amino acids directly replenish the pool of tca intermediates? explain why or why not.

How does the Arthropod growth curve differ from the growth curve of most other animals?

Which of the following microscopes has the lowest resolution TEM SEM dissecting electron

The process where sediments turn into a sedimentary rock through compaction or cementation is called

Which group of microorganisms is most likely to spoil a freshwater trout preserved with salt? A) Psychrophiles B) Facultative halophiles C) Anaerobes D) Thermophiles E) Hyperthermophiles