Which of the following vertebrates had the chance to become abundant after the dinosaurs became extinct?

A. Woolly Mammoths

B. Amphibian

C. Mammals

D. Reptiles

Put the steps of the process of signal transduction in the order they occur. a conformational change in the signal-receptor complex activates an enzyme. protein kinases are activated. a signal molecule binds to a receptor.

Which of these is an organ system? Stomach Mucosa Dog Digestive Gamete

Which of the following statements is false? A Viruses have metabolism. B Viral infections can be prevented with vaccines. C Viruses are a type of parasite. D Viral replication cycles can switch from lysogenic to lytic and back again.

How does the eukaryotic initiation complex locate the true start codon?

Is a tundra cold or hot are there a lot of animals there yes or no what kind of animals are there

Which best describes the advantage of pest resistance? Pests are mutated and tolerate more. Pesticides become less effective. Farmers do not have to use harsh chemicals to save their crops. Farmers can kills weeds without killing their cash crop.

Which is better 1 big cell or 4 small cells

Describe how scientists can directly measure the movement of tectonic plates

Which of the following is false? A. the graduation rate in a city and the rate of unemployment in a city is a positive correlation B. the cost to mail an envelope and the weight of the envelope is a positive correlation C.

Which material is being cycled? carbon dioxide nitrogen oxygen water