Down syndrome is an example of trisomy. How many chromosomes will each cell of an individual have in Down syndrome?

46 chromosomes

47 chromosomes

45 chromosomes

chemically alter the make-up of nutrients, changing them into a form that can be readily used by cells. a) Enzymes b) Amino acids c) Carbohydrates d) Nutrients

What happens to the expression of the lacI gene if lactose is not available in the cell? View Available Hint (s) What happens to the expression of the lacI gene if lactose is not available in the cell?

Small aquatic organisms, such as coral, are the producers of the ocean. T/F

Which of the following characteristics evolved independently in mammals and birds? A) bilateral symmetry B) amniotic eggs C) jaws D) bone E) endotherm

Explain why cholesterol accumulates in the blood of individuals

Why is it especially important to not waste energy from fossil fuels?

A biologist studied the populations of white-sided jackrabbits and black-tailed jackrabbits over a 5-year period. The biologist modeled the populations, in thousands, with the following polynomials where x is time, in years.

A nurse is caring for a client with varicose veins. which clinical manifestations should the nurse expect with this diagnosis?

What is an advantage of recycling metals?

Which of these choices is the most basic level of organization? O Population Organism Niche Species