What is semen? i cant figure it out

You memorize a series of numbers by grouping them into sets of three and thinking of these sets as area codes. This is an example of:

Where is dna found inside a cell

As a fertilized egg divides the cells differentiate because they A. Contain a lipid bilayer B. Have specific genes activated C. Metabolize sugars rapidly D. Can clump together

In a newly discovered organism, the cells in its body have 16 chromosomes. If this organism reproduces sexually, the daughter cells created after a body cell undergoes meiosis would have [x] chromosomes.

The spinal cord is most important for: Group of answer choices Production of routine behaviors, such as walking Voluntary behaviors such as reaching for a pencil Regulatory behaviors, such as maintaining body temperature Receiving sensory

What happens when you increase a muscle's endurance? A) The length and flexibility of the muscle is increased. B) The overall strength of the muscle is increased. C) The thickness and size of the muscle is increased.

Which biome would contain the most trees? a tundra b grassland c desert d taiga

What does r136a1 have n common with the sun

Which group of plants lacks true roots, stems, and leaves? seedless vascular plants nonvascular plants nonflowering seed plants flowering plants

What is - 4+3 (-6f+7) ?