What is the lac operon?

What colors does chlorophyll absorb

In meiosis, as opposed to mitosis, A) genetically identical daughter cells are produced. B) pairing of homologous chromosomes occurs. C) crossing over cannot take place. D) there is no cytokinesis. E) only two daughter cells are formed.

Why is the climate of San Francisco do different from the climate of ca beach when they both are near the ocean?

Explain four unique properties create an environment hospitable to life

Which item is responsible for joining nucleotides to build a new strand of DNA? a. DNA polymerase b. Nitrogenous bases End of exam c. Hydrogen-bond breaking proteins d. Telomere

Which type of macromolecule is the quickest source of energy for the body

Which two structures contain DNA

When reproduction is achieved through meiosis and subsequent fertilization it is called?

Which statement is correct? A. Both plants and fungi undergo photosynthesis. B. Both protists and fungi are eukaryotic. C. Like some prokaryotes, fungi are autotrophic. D. Both animals and fungi lack cell walls.

In an ecosystem, bees are responsible for the pollination of flowers. Over time, the number of bees in the population have increased. Which of these best explains why the number of flowers in the population have also increased?