Answer:
1 ) granting Congress the power to pass all laws necessary and proper for carrying out the enumerated list of powers.
Explanation:
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Smokers have higher rates of cancer than nonsmokers due to the ____________ in tobacco smoke?
Answer:
nicotine
Explanation:
Which of the following is NOT a type of muscle?
a) smooth
b) cardiac
c) skeletal
d) striated
Answer: striated
Explanation:
Explain why the differential permeability or impermeability of specific sections of the nephron tubules is necessary for urine formation?
The differential permeability or impermeability of specific sections of the nephron tubules is necessary for urine formation.
Generally, the process involved in the formation of urine are as follows:
Ultrafiltration:
This occurs at the glomerulus.Small molecules such as water, urea, mineral salts and plasma solutes are permeable ( can pass) through the one cell thick wall of the glomerulus.Selective reabsorption :
this takes place at the proximal part of the nephron tubule.The glomerular filtrate contains water, sugar, amino acids and salts which are reabsorbed into the surrounding blood capillaries.Tubular secretion:
this occurs at the distal part of the nephron tubule.Large waste molecules are secreted into the tubule.This is to keep the osmotic concentration of the blood constant.The fluid that eventually remains in the tubule is concentrated and is known as urine.Therefore, the varying permeability and impermeability of various regions of the nephron tubule leads to urine formation.
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label each statement about genetic engineering as a benefit or a risk.
Answer: pro, pro, con, con, pro, pro
Explanation: :))
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Place the following terms in order to show the path that deoxygenated blood takes through the right side of the heart.
Right Atrium Pulmonary Artery to the lungs Right Ventricle
Deoxygenated blood from the body enters the vena cava
Answer: not sure
Explanation:
Which is true about water safety?
and
Which is a possible hazard of a storm drain?
Answer:
Both are D all of the above
Explanation:
the 1st one is a bit confusing because in my state lots of people swim in lakes (despite the snakes and gators) but these answers seem most correct.
Answer: for 9 it is all of the above
for 10 it is all of the above
Explanation:
answer the 3 questions in the imagine attached
Answer: b c d
Explanation:
i did it yesterday