What observation led researchers to propose that chloroplasts evolved from cyanobacteria?

Both produce proteins.

Both contain mitochondria.

Both provide structure to cells.

Both perform photosynthesis.

Scientists were able to determine the age of the earth from rock samples that were analyzed. What technique was used to do this

Tuentlying the importance of Essential Amino Aclay There are twenty amino acids in living organisms. Ten of these are referred to as essential amino acids.

What connects the two hemispheres of the cerebellum?

True or false: pinot noir prefers a long, cool growing season

You were distracted by another student in the classroom and forgot your oxidase test for 15 minutes. When you check on the result, you notice a dark blue ring but no added coloration to the colony smear. What can you conclude from this result?

Why do plants need to be specialized to survive in arid climates?

Two parents are heterozygous for a recessive disease, what are the chances that the child is also a heterozygous?

Why do you think older people among the elderly are the most likely to be abused

What is the structural difference between plant and animal cells which makes them differ in cytokinesis? Plant cells have a cleavage furrow and animal cells do not.

The living part of the cell found both inside and outside of the nucleus is called protoplasm. This material is composed of proteins, carbohydrates, electrolytes, water, and what other substance?