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AVprozaik [17]
3 years ago
14

Which of the following correctly identifies active transport?

Biology
1 answer:
Crazy boy [7]3 years ago
8 0
 I believe its the first one
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Mark has diabetes and needs to undergo dialysis twice a week . Dialysis purrifies the blood by removing waste and excess water f
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The procedure of dialysis maintains the body in balance by withdrawing waste, extra water, and salt by preventing them from accumulating up in the body when the kidneys fail. It helps in maintaining a safe level of some kinds of chemicals in the blood, like sodium, potassium, and bicarbonate. It helps in monitoring blood pressure.  

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3 years ago
How can the use of biotechnology lead to an increase in soil conservation practices?
Novosadov [1.4K]

Biotechnology use can lead to a decrease in pesticide and herbicide use, maintaining soil quality. Correct answer is A

6 0
3 years ago
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Which derived character is shared by lizards and wolves but not frogs? A. jaw bones B. four-legged locomotion C. amniotic eggs D
VMariaS [17]

A. jaw bones

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3 0
3 years ago
Which of these is a characteristic of body cells that require large amounts of energy?
Vitek1552 [10]

Answer:They have a large number of mitochondria.

3 0
2 years ago
A pharmacist has two vitamin-supplement powders. The first powder is 10% vitamin B1 and 30% vitamin B2. The second is 15% vitami
Basile [38]

Answer:

560 mg of powder 1 and 160 mg of powder 2

Explanation:

Let "X" denotes weight of powder 1 added to the new mixture and  "Y" denotes weight of powder 2 added to the new mixture

Total weight of vitamin B1 in the mixture is equal to 80 mg

Total weight of vitamin B2 in the mixture is equal to 200 mg

Equation 1

0.1 X + 0.15 Y= 80

Equation 2

0.3 X + 0.2 Y= 200

Let us simplify the above two equations, we will get

10 X + 15 Y = 8000\\3X + 2Y = 2000

2 (10 X + 15 Y = 8000), 20X + 30 Y = 1600015(3X + 2Y = 2000), 45X +30Y = 30000\\25 X = 14000\\X = 560

Substituting value of X in equation 2 we get

0.3 * 560 + 0.2 Y = 200\\0.2 Y = 200 - 168\\Y = 160

7 0
3 years ago
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