During replication, the strands of a double-stranded DNA molecule separate from each other when a set of bonds are broken. What did these bonds join together?

a

amino acids

b

5-carbon sugars

c

phosphate groups

d

nitrogenous bases

Dr. edwards, a cardiologist, and dr. mathews, a general surgeon, worked together as primary surgeons on a complex surgical case. what modifier would be added to the cpt surgery codes for the services of both dr. edwards and dr. mathews?

You are using genetic engineering to design a protein that needs to be synthesized in the cytoplasm and then localized in the nucleus of the cell.

Organisms are limited to reproducing only after their own kind by: (multiple choice) 1. Genesis only 2. Known laws of genetics 3. Genetic speculation 4. Observation throughout human history

The same kinds of cells that grow in similar patterns in different but related organisms produce a. homologous structures such as wings and arms. b. the same kind of embryos. natural variations in a population. d. descent with modification.

Which one of the structures contributes the ability of birds to fly? check all that apply.

Which two strata of the epidermis are most susceptible to cancer?

What term best defines the process that occurs when nuclei combine to produce a nucleus with more mass? a. fusion b. fission c. anti-synthesis d. atomic recombination

Which of these is an advantage of wind energy? A. It reduces bird and bat populations. B. It generates noise pollution. c. It generates electricity. D. It increases greenhouse gas emissions.

a group of of scientists is studying the internal parts of a cell. which microscope is most appropraite for these scientist to use

Which of the following choices is a biotic factor in the ecosystem? sunlight, water, deer, soil