What kind of research is most likely to improve the health of the environment

How do daughter cells obtain their DNA? A: The DNA in the parent cell nucleus makes a copy of itself and is then split between the two daughter cells during mitosis.

Which of the following is true of a human karyotype? A. Each cell has 22 pairs of homologous chromosomes B. Each cell has one pair of sex chromosomes C. The chromosomes are numbered in order from 1 to 22. D. All of the above are true.

Breaking a rock into smaller pieces by natural causes is known as A. erosion. B. the rock cycle. C. chemical weathering. D. mechanical weathering.

Creating hybrids is beneficial because it can happen quick and is inexpensive. True False

Put the following levels of organization in order from smallest to largest: ecosystem, biome, population, biosphere, biological community, and organism.

Think about the process of DNA replication, the enzymes involved in the process, and the results of the process. Select the statements that accurately describe DNA replication.

The higher frequency of a photon, the - - -

Which of the following pieces of equipment is directly used to make measurements? a. fume hood b. eye wash station c. bunsen burner d. balance

At the end of the replication process each of the two new dna molecules is composed of

The scientists who contributed to the current body of scientific knowledge best described as: