What observation led researchers to propose that chloroplasts evolved from cyanobacteria? A) Both produce proteins. B) Both contain mitochondria. C) Both provide structure to cells. D) Both perform photosynthesis.

9. In a small population of snails, one individual inherits a synonymous mutation in a gene that codes for an important protein. After 5 generations, 6 % of the snail population carries this mutation.

During which phase of the moon is the moon not visible? First quarter Full moon Last quarter New moon

Which of the following would be deposited by a river first? A.) sand B.) silt C.) small rocks D.) large rocks

Describe the process of meiosis that ensures that both maternal and paternal chromosomes are passed on to each spermatozoon

22. What is biology and why is it important to you as a healthcare professional

Peter has been seeing a counselor for problems in his sexual life. Peter's counselor referred him to an urologist to treat his problem.

What scientists developed laws of inheritance before DNA and genes were discovered?

Statement best describes how antibiotics affect cellular homeostasis? antibiotics remove chloroplast from plant cells to cause starvation antibiotics increase the rate of DNA replication human cells by forming nucleotides antibiotics and interfere

Is it true that The strength of the electric field of a charged particle becomes greater as the distance from the particle increases?

The term semi permeable is used in reference to the