Opposing muscles of the upper arm are the .
a. triceps and ulna
b. ulna and biceps
c. tendons and biceps
d. tendons and radius
e. biceps and triceps

Drag each label to the correct location. each label can be moved more than once match the properties with the subatomic particle

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.

As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes