5. The DNA scans of three frogs are shown below. The highlighted bands determine the skin color, eye color, and whether the frogs have spots or not. Which codon
determines skin color?
20
A Bands 2-4
B. Bands 7-9
C. Bands 18-20
D. Cannot be determined

The influenza virus cause the flu, but not other diseases. why?

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 8 options: the cold balloon expands and rises. the warm balloon shrinks and sinks. the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the warm balloon expands and rises. the cold balloon shrinks and sinks.

What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b.diffusion c. endocytosis d. exocytosisc. endocytosis