Prokaryotes do not obtain organelles by endosymbiosis because they lack

You find a piece of rock. It crumbles easily and has little bits and pieces of shells in it. Is this an igneous, metamorphic, or sedimentary rock?

Urinalysis is significant for occult blood (1+) with microscopy showing 10-20 RBCs per 400x magnification.

If I have a forest composed of 481 species of trees, each with a known abundances, how many events are there in the sample space describing the event of randomly selecting a single tree of a specific species?

2 Paragraph summery on how Anna Garcia died

Under certain conditions, when a mature plant or seed becomes or remains inactive, it is said to be

Chemicals used in chemotherapy treatments to fight cancer can also harm cells in hair follicles and bone marrow. What characteristic do these cells most likely share with cancerous cells? A.) They form tumors. B.) They spread through the blood. C.

Binary fission is a process through which A. all cells divide. B. eukaryotic cells divide. C. prokaryotic cells divide. D. cellular DNA is cut in half.

Describe how this algal bloom might alter the local nitrogen cycle in that ecosystem.

What are the reactants in the equation for cellular respiration?

Explain how mumps vaccine makes someone immune to mumps