1. If a DNA strand has 33 % cytosine what percent will be adenine? 64 %
32 %
17 %
36 %

2. Which of the following combinations is true of the nucleotide composition of a sample of DNA?
A = C
A = G AND C = T
A + C = G + T
G + C = T + A

How do you know? Imagine guanine is 30% of the DNA sample. In your notebook, revise the mathematical model you chose in your answer now that you have this information.

the answer is d. chordata

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.

there are 35 white marbles

step-by-step explanation:

y- yellow marbles

4y + 5 = 45

subtract 5 from both sides

4y = 40

divide for from both sides

y = 10

plug in 10 to get 40 yellow marbles then subtract by 5 to get 35 marbles

thus there are only 10 yellow marbles

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.