What is the term for a structure that has no use in an organism

A client's vision is assessed at 20/200. the client asks what that means. which is the most appropriate response by the nurse?

What is the science of describing naming and classifying organisms?

During the production of gametes, homologous chromosomes have separated, and the cell is splitting into two daughter cells containing non-identical chromosomes, each consisting of two chromatids.

1. Disease can be caused by viruses, bacteria, fungi, parasites, or toxic chemicals. Which of these diseases is the result of toxic chemicals?

What is the purpose of nictating membrane?

A double-stranded molecule of DNA has 80 T nucleotides and 110 G nucleotides. What is the TOTAL number of nucleotides in this molecule of DNA?

Why is an angioplasty an incorrect treatment for an aneurysm? A) Aneurysms cannot be treated. B) An angioplasty may rupture the blood vessel wall. C) An angioplasty can have dangerous drug reactions. D) Aneurysms are treated only with pacemakers.

Why was nucleic acid disregarded for so long as the molecule responsible for the transmission of hereditary information?

Sally's estimated energy requirement, based upon her age, height, and weight, is approximately 2000 kcalories per day. What is the maximum number of kcalories per day that she can consume to lose 3 pounds per month. Assume 1 month is 30 days. a.

Which hormone causes the regrowth of the endometrial lining of the uterus? testosterone estrogen GnRH progesterone