Which element is present in all protein but not necessarily in fat or carbohydrates

Hydrogen

Nitrogen

Carbon

Oxygen

What elements do living things have that volcanic rocks do not have? Oxygen, Silicon, Magnesium or Carbon

How is mitosis in plant cells different from mitosis in animal cells?

How is a species defined? O A. By the allele frequency in the population O B. By the number of common ancestors O c. By the total number of chromosomes O D. By the fixed alleles in the species

Some organisms, like the platypus, are difficult to classify as they have characteristics which fall into multiple categories. Which characteristics of a platypus would lead scientists to classify them as mammals?

The most abundant chemical compound found in the human body is

Which of the following functions does the myelin sheath perform for a nerve cell? a. Nutrition b. Sensory perception c. Insulation d. Regeneration

The area of land from which water drains into a river

A certain cell continues to divide uncontrollably. Which of it's genes is likely mutated?

Are these genotypes or are these phenotypes? A. Green B. KK C. Blue eyes D. Purple flower E. Jj F. dd

1. Where are your genes found? your alleles your cytoplasm your ribosomes your chromosomes 2. What is the shape of DNA called? nucleotide double helix chromosome ribonucleic acid 3.