A man and a woman have two daughters. What is the probability that their next child will be a girl? a. 1/2 b. 1/4 c. 3/4 d. 1/8

Which best explains why viruses do not have special structures or enzymes that allow them to make their own food? viruses can use energy in living cells that they infect. viruses can replicate inside a host that they infect. viruses can cause contagious illnesses in host cells. viruses integrate their rna or dna into infected cells.

Which cell organelle is the site for photosynthesis? a. chloroplast b. endoplasmic reticulum c. golgi apparatus d. lysosome

Do plant cells perform cellular respiration?