Which are substances that are moved into cells by facilitated diffusion?

viruses and bacteria

ions such as K+

fat-soluble molecules

oxygen and carbon dioxide

15. If nearly all the cells in the organism have identical DNA, how do cells differentiate? (hint: transcription factors)

Which condition is a biotic factor of an aquarium ecosystem? amount of oxygen in the water gravel on the bottom of the aquarium algae growing on the glass temperature of the water

Use Analogies Supposesome codons mapped two different amino acids? What would the effect be on your translation coded messages? What would the effect be on the production of proteins?

If you need to clarify the directions for a lab activity what should you do

It is common to use ddNTPs (dideoxynucleoside triphosphates) for sequencing DNA because, when incorporated into a growing DNA polymer, the ddNTP acts as a chain terminator, allowing the researcher an opportunity to determine the last-added base to a

What are two types of chemical hazards that affect human health

How many protons are in the nucleus of a carbon atom

A student and their pet (is mutualism, commensalism, or parasitism.)

Does an animal cell have a cell wall and/or chloroplast?

Which best describes biotechnology?