Which of the following must be true of the structures of axons and muscle cells in order for nerve impulses to stimulate muscle contractions

Without finding the exact sum, tell whether 5/12 + 1/2 is less than 1, greater than 1, or equal to 1.

A homozygous tall (dominant) pea plant is crossed with a short (recessive) plant. The probability that an F1 plant will be tall is A. 100%. B. 50%. C. 75%. D. 25%.

What is the striking differences between the brains of kids and the brains of their parents

What type of microscope would be best for viewing the samples you created in real life?

Select the correct answer. A family has a Y-linked disease that affects the father. What is the chance of a male offspring inheriting the same disease? A 100% B. 50 % C. 25% D. 0%

Which class of biologically important molecules are steroids related to? nucleic acids proteins lipids Carbohydrates

The golgi apparatus (dictyosome) plays a major role in what cellular pathway?

What is the flotation method used to determine? Mass Density Volume Color

Fossil records suggest major changes in early vascular plants that favored the evolution of land plants. Which was one of these major changes? Select one of the options below as your answer: A. Development of fruit B. Development of seed C.

Many people in the developing world who depend on rice in their diet suffer from diseases related to deficiencies of