What organ pushes blood through the body?

What is the name for a group of similar cells that perform a specific function? A) organ B) tissue

Which abiotic factors play important roles in tropical forests?

Which structure is not a component of the adaptive immune system?

A lab technician is running a test on a patient's sample that is likely infected with salmonella. The technician correctly performs PCR on the sample using primers known to identify salmonella. Then they run the PCR product on an electrophoresis gel.

Which structures are common to both prokaryotic and eukaryotic cells? check all that apply. vacuole cell membrane golgi body ribosome cytoplasm endoplasmic reticulum?

What would happen if a mistake is made during protein synthesis?

Which of the following can upset the balance of an ecosystem? too much water not enough water too much light not enough light all of the above none of the above

At the end of telophase, what must occur? the cytoplasm is divided by cytokinesis the new cells must immediately begin to divide again the new cells fuse together to create one larger cell the cell begins to divide by replicating the chromosomes

What do these characteristics all have in common? A. They are all dominant. B. They can all be easily observed. C. They are all recessive. D. They can all be applied to other plants.

Why is a food web a more accurate representation of the flow of energy through an ecosystem than a food chain