Prepare an argument for why the following statement is incorrect: The formed elements are the only important part of blood, and plasma is just the water they're carried in
What will be an ideal response?
Although the formed elements perform some of the better-known functions of blood, plasma is much more than just water. It contains nutrients, carries wastes for disposal, and even helps RBCs with the job of gas transport by carrying much of the carbon dioxide back to the lungs. There are important proteins such as immunoglobulins for defense, albumin for maintaining osmotic balance, and clotting proteins. Plasma has carrier molecules such as the LDLs and HDLs that carry cholesterol, and the balance of cholesterol is important in maintaining healthy coronary arteries. Finally, there are electrolytes and hormones, which make use of the transportation system provided by the cardiovascular system.
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The tree in the figure is based on which type of traits, and what is the name of the genus for the most recent horse?
A. Genetic (DNA): Orohippus.
B. Morphological: Equus.
C. Molecular: Equus.
D. Genetic homology: Pliohippus.
E. Morphological: Hyracotherium.
A young woman has a pelvic infection. A specimen contains bacilli that are bile salt tolerant, as shown by black growth on a bile-esculin agar plate. Her infection is likely caused by:
A) Haemophilus ducreyi B) Pesudomonas aeruginosa C) Neisseria gonorrhoeae D) Bartonella henselae E) Bacteroides fragilis
Four of the following are extraembryonic membranes of the amniote egg. Which one is the exception?
A. Albumen B. Amnion C. Chorion D. Allantois E. Yolk sac
A change in the genetic material that involves the insertion or deletion of one or more nucleotides in a gene, resulting in a change in the triplet grouping of a nucleotide
What will be an ideal response?