Jacob brings his three-year-old daughter in for a research study on how children from age 3 to 5 develop understanding of numbers. he is told that his child will either be assigned to an experimental or control group and that he will need to bring her back to the lab every six months for the next two years. which type of study is jacob's daughter participating in? a) correlationalb) cross-sectionalc) descriptived) longitudinal

As you sit in the library with your friend studying for your weekly quiz on the integumentary system, you come upon an article about the hazards of prolonged exposure to the sun's rays. your curious nature leads you to research the subject further. you're fascinated to learn that minimal exposure to the sun allows you skin to manufacture vitamin d, which is important to maintain homeostasis. you also read that although sunscreen can protect you from the ultraviolet (uv) rays of the sun, some medications can actually increase a person's sensitivity to the sunlight.

Which of the following is characteristic of the lytic cycle? a) viral dna is incorporated into the host genome. b) the viral genome replicates without destroying the host. c) a large number of phages are released at a time. d) the virus—host relationship usually lasts for generations.

Mr. thomas has an outstanding balance of $128.75 and owes a copay of $30.00 for today’s visit. how much money should be requested from mr. thomas at check out?