Question 14 protein molecules

a. are made up of amino acids linked together by peptide bonds.

b. include enzymes that serve as catalysts in a biological reactions.

c. serve both structural and funtional roles in the body.

d. all of these are correct

How does the density of ice compared to that of liquid water and water and why is property important to aquatic organisms

Which equation turns food into energy

Arrange the events of synaptic transmission in correct sequence. (1) sodium ions diffuse into the cell and cause a local potential (2) neurotransmitter binds with receptor on postsynaptic cell (3) neurotransmitter diffuses across the synaptic cleft

What is an area of land that is covered with water for at least part of the year

What is the land ecosystem dominated by grass?

A 14-month-old toddler is able to recognize the shapes of objects and fit smaller boxes into larger boxes. which type of cognitive development does this action indicate?

In humans, having wet earwax is a dominant trait. Having dry earwax is recessive. A Man has recessive allele and one dominant allele. What is his phenotype?

Chromosomes condense at the start of mitosis so that they can be more easily between the two nuclei

A brown dog is crossed with two different black dogs. The first cross produced only black dogs and the second cross produces equal numbers of black and brown dogs. What is the genotype of the brown dog? the first black dog? the second black dog?

The replacement stage of B by stage C and the replacement of stage C by stage D in a particular location is known as A exploitation B covercropping C ecological succession D punctuated equilibrium