Down syndrome is characterized by cells having three copies of chromosome 21. as a somatic cell in an individual with down syndrome prepares to enter mitosis, how many chromatids would be present in the cell's nucleus?

A structure that is made up of more than one type of tissue and carries out a specific function is a (n)

A recessive gene located on the X chromosome is the cause of color blindness in affected individuals. Males are more likely to be colorblind than females because A) males have two copies of the X chromosome B) color blindness is associated with high

name two major types of mutations. what do they have in common? how are they different? give an example of both

The model of the atom shown above is called the electron shell model. Give one inaccuracy about the way this model is drawn.

Describe some of the safety precautions that are taken while transporting spent fuel rods and other nuclear waste, i. e. packaging requirements and environmental protection.

You are operating a powerboat at night. Your red sidelight must be visible to boats approaching from which direction (s) ? head-on only head-on and both sides head-on and behind head-on and port (left)

A graduate student finds an organism in a pond and thinks it is a freshwater sponge. a postdoctoral student thinks it looks more like an aquatic fungus. how can they decide whether it is an animal or a fungus?

i need the memorize the order of the metric system but i dotn know the sentence ... im pretty sure its king henry something thats all i know can you tell me the rest

At the beginning of cellular respiration, energy is stored in the bonds of blank molecules. At the end of cellular respiration, energy is stored in the bonds of blank molecules. for each one has the options of: ATP, glucose, or oxygen

Which of the following does not contain carbon and energy iron ice cream lettuce or eggs