13c and 14c are isotopes of 12c, which has 6 electrons, 6 protons, and 6 neutrons. what is the arrangement of subatomic particles in 14c? a. 6 electrons, 7 protons, and 6 neutrons b. 6 electrons, 7 protons, and 8 neutrons c. 6 electrons, 6 protons, and 8 neutrons

4. how does a phospholipid behave in water? the phosphate head does not mix with water; the fatty acid tails do. the phosphate head and the fatty acid tails mix with water. the phosphate head and the fatty acid tails do not mix with water. the phosphate head mixes with water; the fatty acid tails do not.

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?

In a population that is in hardy-weinberg equilibrium, there are two possible alleles for a certain gene, a and a. if the frequency of allele a is 0.4, what fraction of the population is heterozygous? a. 0.40 b. 0.60 c. 0.16 d. 0.48