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?

When the heterozygous genotypes results in a phenotype where both alleles are fully and separately expressed

Tetrads line up here, 5th letter is a "P"

A bacteria culture initially contains 100 cells and grows at a rate proportional to its size. After an hour the population has increased to 570. (a) Find an expression for the number of bacteria after t hours. P (t)

Which organelle is most prominent when looking at cheek cells under the microscope?

Characteristics of animal cells include which of the following? Select all that apply. no cell wall, only plasma membrane large hypertonic vacuole no chlorophyll or chloroplasts cell plate in cell division cleavage furrow

A population contains short plants and tall plants. The short plants are not able to compete with tall plants for sunlight. The tall plants, however, are more susceptible to wind damage.

Sugars, starches, and dietary fibers are examples of

Put the following stages of life in the proper order from youngest in age to oldest in age.

What only acts in the digestion of carbohydrates

In which organism does respiration not take place in the mitochondria? * A) bacteria B) maple tree C) seaweed D) yeast