The physical expression of a genetic trait

Which of the following is a possible nucleotide found in dna? ribose sugar + phosphate group + adenine ribose sugar + phosphate group + uracil deoxyribose sugar + phosphate group + thymine deoxyribose sugar + phosphate group + uracil

In a prokaryotic cell, most ribosomes are

What are the only cells that undergo meiosis

Which by-product of fermentation has been utilized in the production of bread? Lactic Acid Ethyl alcohol Carbon dioxide Pyruvic acid

Which of the following is likely to be researched by an environmental scientist? A. the effect of oil spills on marine animals B. the anatomy of a platypus C. the chemical composition of a compound D. the velocity of a cheetah.

Two containers have different solute concentrations. After osmosis occurs between two containers, which are true?

Can a pork roast that weighs 18 grams feed a family of four

An organism that takes in or consumes other organisms to receive energy

Choose the best answer. All living things are: a) evolving b) made of stuff c) made of cells d) unrelated

In which body system did scientists find the polio virus before it entered the nervous system?