Question

QUESTION 60

1. The process by which undigested or waste material is removed from the gastrointestinal tract is

   	A.	elimination
   	B.	secretion
   	C.	urination
   	D.	mechanical processing
   	E.	absorption

1.5 points   

QUESTION 61

1. The products (a whole bunch at once) of the endoplasmic reticulum are transported to the Golgi apparatus by an organelle called: (it's not the same question that you may have seen previously)

   	A.	free-floating ribosomes
   	B.	cilia
   	C.	gated channels
   	D.	endocytosis
   	E.	vesicles

1.5 points   

QUESTION 62

1. The quaternary level of protein structure involves:

   	A.	the amino acid sequence
   	B.	alpha helices & beta pleated sheets
   	C.	larger scale twists & turns of a polypeptide chain
   	D.	2 or more polypeptide chains bonded together

1.5 points   

QUESTION 63

1. The smallest motor unit of a muscle is the sarcomere, what is a sarcomere made of?

   	A.	the nerve cell nuclei
   	B.	fascia
   	C.	the actin and myosin filaments
   	D.	neuromuscular fibers
   	E.	fascicles

1.5 points   

QUESTION 64

1. The systolic pressure is

   	A.	peak pressure during atrial contraction
   	B.	peak pressure during ventricular contraction
   	C.	peak pressure during ventricular relaxation
   	D.	peak pressure during atrial relaxation

1.5 points   

QUESTION 65

1. The tertiary level of protein structure involves:

   	A.	the amino acid sequence
   	B.	alpha helices & beta pleated sheets
   	C.	larger scale twists & turns of a polypeptide chain
   	D.	2 or more polypeptide chains bonded together

1.5 points   

QUESTION 66

1. The  capillaries contained within a capsule (hint hint) that are first used to filter the blood to the kidneys are called the

   	A.	hepatic portal system
   	B.	nephron loop or loop of Henle
   	C.	proximal tubules
   	D.	cortex
   	E.	glomerulus

1.5 points   

QUESTION 67

1. The  ultimate goal of the male reproductive system is to

   	A.	produce large numbers of ovum
   	B.	maintain the homeostatic condition of the male's body
   	C.	ensure that ovum are produced at the correct time, coinciding with ovulation
   	D.	deliver sperm into the female's reproductive system
   	E.	produce testosterone to influence gender development

1.5 points   

QUESTION 68

1. Variations of homologous genes that result in differences in structure and function are, (think:  two different forms of the "eye color" gene, are called...)

   	A.	loci
   	B.	dominant
   	C.	autosomes
   	D.	linked
   	E.	alleles

1.5 points   

QUESTION 69

1. Voluntary skeletal muscle movement are controlled through which one of the following divisions of the nervous system? (think of that chart in your notes)  
   

   	A.	sensory division
   	B.	sympathetic division
   	C.	parasympathetic division
   	D.	endocrine division
   	E.	somatic division

1.5 points   

QUESTION 70

1. Water is an excellent solvent for living things because

   	A.	compounds with ions like sodium as well as polar molecules like glucose readily dissolve in water.
   	B.	it is semisolid at body temperature, preventing it from flowing freely through the human body.
   	C.	it maintains an unstable temperature for chemical reactions to occur.
   	D.	it can rearrange its bonds forming a new substance

1.5 points   

QUESTION 71

1. What do we find in the nucleus of an atom?

   	A.	electrons and protons
   	B.	electrons
   	C.	protons only
   	D.	neutrons and electrons
   	E.	protons and neutrons

1.5 points   

QUESTION 72

1. Which major digestive process involves nutrient molecules passing from the GI tract into the blood? (they're not asking about the actual breakdown of food)

   	A.	secretion
   	B.	absorption
   	C.	digestion
   	D.	mechanical processing and movement
   	E.	elimination

1.5 points   

QUESTION 73

1. Which one of the following activities would be facilitated by the  sympathetic nervous system?

   	A.	decreased respiratory rate
   	B.	increased bladder contraction
   	C.	increased blood pressure
   	D.	decreased heart rate
   	E.	increased digestion and absorption

Answer 1

Answer 60) Elimination

Answer 61) vesicles

Answer 62)  2 or more polypeptide chains bonded together

Answer 63) The Actin and the Myosin

Answer 64) peak pressure during atrial contraction

Answer 65)larger scale twists & turns of a polypeptide chain

Answer 66)glomerulus

Answer 67)deliver sperm into the female's reproductive system

Answer 68)alleles

Answer 69)somatic division

Answer 70) compounds with ions like sodium as well as polar molecules like glucose readily dissolve in water

Answer 71)protons and neutrons

Answer 72)absorption

Answer 73)increased blood pressure

I hope i was able to help you with the answers !:)