Which of the following is true of a human karyotype? A. Each cell has 22 pairs of homologous chromosomes B. Each cell has one pair of sex chromosomes C. The chromosomes are numbered in order from 1 to 22. D. All of the above are true.

Which phrases correspond to "spontaneous generation?"? 1: The medieval idea of evolution relates to this theory 2: Life was created by God spontaneously 3: Life generated itself from organic matter 4: Pasteur falsified this notion by demonstrated

Which of the following could possibly increase genetic variation indirectly? toxins predator-prey relationships competition new habitat disasters increased food supply

In which phase of the cell cycle does synthesis of DNA take place? A. C phase B. S phase C. M phase

Blank are proteins the regulate the time of the cell cycle in eukaryotic cells a. cyclins b. chromosomes c. games d. cancer

Which trophic level does yellowfin tuna fill in a food chain

Which statement is true for both plants and animals?

A young couple went to see a genetic counselor because each had a sibling affected with cystic fibrosis. (recessive disease, neither member of the couple is affected.

The best term to describe the general process by which microorganisms cause diseases is known as the best term to describe the general process by which microorganisms cause diseases is known as pathogenesis. infection.

Imagine that a doctor is culturing two types of cells: one from a malignant melanoma and one from a normal skin sample. How would you expect these two cell populations to differ?

The strength of an earthquake can be measured by a scale, while the after effects or damage from an earthquake is measured by a scale.