A scientist is studying a chemical reaction that occurs in the human body. She reproduces the reaction in her lab, but the reaction does not occur until she raises the temperature in her experiment to 10°C higher than the human body temperature. What is most likely different about the reaction in the human body? A.
The chemicals are more plentiful inside the human body.

B.
Semipermeable cell membranes regulate the reaction conditions.

C.
The blood provides the extra heat inside the human body.

D.
Enzymes in the human body lower the activation energy required.

2. if scientists identify an animal with bilateral symmetry and no segmentation, which phylum can it definitely not belong to? a. roundworms b. annelids c. mollusks d. flatworms

What are the types of mutations, and how does each alter the encoded protein? college level answer

Coat color in cats is determined by genes at several different loci. at one locus on the x chromosome, one allele (x ) encodes black fur and another allele (xo) encodes orange fur. females can be black (x x ), orange (xoxo), or a mixture of orange and black called tortoiseshell (x xo). males are either black (x y) or orange (xoy). bill has a female tortoiseshell cat named patches. one night, patches escapes from bill\'s house, spends the night out, and mates with a stray male. patches later gives birth to the following kittens: one orange male, one black male, two tortoiseshell females, and one orange female. what are the genotypes of patches, the stray male, and the kittens?