To demonstrate DNA replication, Doug draws a model on construction paper. NITROGENOUS
BASES
SUGAR PHOSPHATE
BACKBONE
In order to show replication, Doug should carry out which of the following steps first?
SC.912.L. 16.3
Fold the model in half lengthwise.
Cut the nitrogenous base pairs where they meet.
Draw a second, identical model of a DNA molecule.
Separate the nitrogenous base pairs from the sugar phosphate backbone.

Which represents the cross between parent plants if one is heterozygous for yellow-colored pods and the other is homozygous for green-colored pods? yy  ´    ´    ´    ´  yy

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

Hurry i need your (100 points) 1) what are the responsibilities of the region of the brain highlighted below? (picture located below) the highlighted portion is at the rear base of the brain, behind the brain stem. regulating homeostasis, hunger and eating, thirst and drinking, and many other functions of basic survival. coordinating movement and balance by using information from sensory nerves, including hand-eye coordination. controlling voluntary body movements, processing information from sense organs, thoughts, and learning abilities. regulating important involuntary bodily functions such as blood pressure, heart rate, breathing, and swallowing. 2)which of the following systems or structures is correctly paired with its function? neurons - brain cells that control thoughts, calculations, and memory cerebral cortex - portion of the brain that controls involuntary body movement peripheral nervous system - carries impulses to and from the central nervous system central nervous system - carries information from the nerves to the muscles and glands