As shown in figure 27–3, the ventricle in a single-loop circulatory system is responsible for a)receiving blood from the body. b)pumping blood out to the gills. c)pumping blood out to the body. d)receiving blood from the gills.

Which way do the nitrogenous bases in dna pair up? a. a and g; t and c b. a and c; t and g c. a and t; g and c d. a and a; t and t; g and g; c and c

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.) chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.

Which statements best describe the atoms of the gas neon? check all that apply