Who questioned president polk’s right to declare war by introducing a resolution to congress requesting that the president specify the precise spot where blood had first been shed? a. john c. calhoun. b. charles sumner. c. daniel webster. d. abraham lincoln. e. stephen douglas.

Nucleic acid certain protein cell membranes certain carbohydrates

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different

1. in a certain species of plant, the color purple (p) is dominant to the color white (p). according the punnett square, what is the probability of and offspring being white? 50%25%0%100% 2. in a certain species of plant, the color purple (p) is dominant to the color white (p). according the punnett square, what is the probability of and offspring being white? 0%100%50%25%(picture 1 is for question 1, and picture 2 is for question 2)