What are the functions of an enzyme in a metabolic reaction? (Choose all that apply)

Aligning the parts of substrates that need to connect to form a product, binding to ions to form a substrate, bringing substrates closer together so they are more likely to react, lowering the energy it takes for a reaction to occur or speeding up a reaction?

What are two reasons for why a species might disappear from the fossil record?

Despite the differences in mature plant cells, all of them are derived from meristem cells. the three major types of tissue systems develop from the meristem. meristems develop cells in all but which tissue?

Refer to the family pedigree shown here. in generation i, one parent is affected by the gene mutation and one parent isn't. in generation ii, all three children are affected by the gene mutation. what can you conclude about this gene mutation? a. all children born in future generations will be affected by this disorder. b. this gene mutation is a dominant disorder. c. this gene mutation is a recessive disorder. d. the generation i mother is a carrier of this gene mutation.