Which structures contain DNA within the cell nucleus?

A.

organelles

B.

chromosomes

C.

ribosomes

D.

proteins

What is produced at convergent plate boundaries? a. New seafloor b. Oceans c. Earthquakes d. Mountains

While walking in a hallway, a client with a chest tube becomes confused and pulls the chest tube out. what is the nurse's immediate action?

How are the length, density, and the shape of an object related to the crater is formed?

Can bacteria survive independently

What is also known as trisomy-21

The failure of homologous chromosomes to separate during meiosis is called a. skin disorders b. translocation. c. nondisjunction. d. Down syndrome.

As the wavelength increases, the frequency (A) decreases and energy decreases. (B) increases and energy increases. (C) decreases and energy increases. (D) increases and energy decreases.

The most obvious source of gene flow into any population is A) Emigration B) Immigration

Polypeptides and proteins must fold properly to be functional. Hydrogen bonds between the oxygen and nitrogen atoms of the peptide bonds are crucial to which level of protein structure?1. primary structure2. tertiary structure3. secondary structure4.

A particular gene can have two forms, called alleles. which statement best describes the difference between the dominant allele and the recessive allele? (a) only the recessive allele is expressed when both alleles ate inherited.