50 points Which of the following are true of enzymes?

Choose every answer the is correct

Specific enzymes can only facilitate one or two reactions.

Enzymes are not changed by facilitating a reaction.

Enzymes lower the activation energy of a reaction.

Each specific enzyme can facilitate many different reactions.

Enzymes are specialized proteins.

Enzymes raise the activation energy of a reaction.

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4

What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome