Why was it difficult ot use DNA as evidence in a crime before PCR was invented

When you type on your keyboard, which characteristics, of life is your computer displaying? A. Reproduction. B. Obtain and use energy. C. Response to stimuli. D. Homeostasis

The number of urban areas worldwide has been decreasing due to lack of resources. True False

Anaerobic glycolysis is an energy system that uses:

The acquisition of traits necessary for complex multicellularity occurred independently in plants and animals, but took place in a specific order. in what order did these processes evolve?

What genetic abnormality causes Down Syndrome? How does this usually happen?

Carbohydrates may form larger carbon-based macromolecules by combining with which elements? A. sodium, potassium, nitrogen B. nitrogen, sulfur, phosphorus C. potassium, sodium, sulfur D. silicon, phosphorus, sodium

Will a person with cycloplegia have difficulty with near or distance vision? Explain

Should I ball tap this kid in my class for no reason

Which three structures are most likely found in fish? fins, eyes, teeth fins, gills, blood gills, scales, lungs eyes, teeth, gills

Unlike mitosis, meiosis results in the formation of a. Two genetically identical cells b. Four genetically different cells c. Four genetically identical cells d. Two genetically different cells