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VMariaS [17]
3 years ago
15

Which list shows the levels of organization of an organism in hierarchical order from left to right, from the smallest to the mo

st complex?
organism, organ, organ system, cell, tissue
organism, organ system, organ, tissue, cell
cell, tissue, organ system, organ, organism
cell, tissue, organ, organ system, organism
Biology
2 answers:
Fiesta28 [93]3 years ago
7 0

Answer:

D

Explanation:

jolli1 [7]3 years ago
3 0
Cell, tissue, organ, organ system, organism...................................................................
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People can bread cats for specific traits such as coat color through process of __?
Dafna1 [17]

i believe ur answer would be the First one

5 0
3 years ago
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Does Ajay's diet provide enough protein to meet his RDA of 0.8 g of protein per kilogram of body weight? Answer should include h
Westkost [7]

The given question is not complete, the complete question is:

Ajay decided to stop eating meat a year ago. Now that he is taking a nutrition class, he wonders if his vegetarian diet is as healthy as he thought. He is 22 years old, is 5’9” tall, weighs 154 pounds, and gets little exercise. His diet analysis is shown here:

Food

Serving

Energy (kcal)

Protein (g)

Fiber (g)

Sat Fat (g)

Breakfast

Frosted flakes

2 cups

320

3

2.7

0

Low-fat milk

1 cup

103

8

0

2

Orange juice

1 cup

112

2

0.5

0

Whole-wheat toast

2 slices

144

6

2.2

0

Butter

2 tsp

68

0

0

5

Coffee

1

0

0

0

0

Coffee creamer

1 T

30

0

0

2

Lunch

Cheese pizza (reg. crust)

2 slices

542

24

4

10

Potato chips

1 oz

155

2

1.2

3

Cola

12 oz

136

0

0

0

Ice cream sandwich

1

143

3

1

3

Dinner

Vegetable Lasagna

10 oz

400

18

4.8

7

Garlic bread

2 slices

189

4

1.5

1

Green salad

1 cup

22

2

3

0

Salad dressing

2 T

118

0

0.3

2

Ice cream

¾ cup

345

6

0

8

Iced tea

8 oz

90

0

0

0

Total

2917

78

21.2

43

Does Ajay’s diet provide enough protein to meet his RDA of 0.8g/kg of body weight? (2.2lbs = 1kg)

Answer:

The correct answer is yes.

Explanation:

RDA or recommended dietary allowance refers to the minimum amount of a nutrient, that is, regarded as essential for the proper functioning of the body or to sustain good health. The RDA is formulated by the Nutrition Board of the National Research Council.  

In the given case, the weight of Ajay is 154 pounds. In terms of kilograms, 1 kg is equivalent to 2.2 pounds.  

Thus, 154 pounds will be equal to 154/2.2 = 70 Kg.  

Based on RDA, the requirement of protein for a healthy individual should be 0.8 g/kg of the body weight. Therefore, Ajay needs to consume 70*0.8 = 56 grams of protein. However, based on his diet he is consuming 78 grams of proteins in a day. Hence, it can be concluded that Ajay is consuming adequate protein to meet his RDA.  

3 0
3 years ago
What is the role of the ion channel (in easy words)
ArbitrLikvidat [17]

Answer:

Ion channels are specialized proteins in the plasma membrane that provide a passageway through which charged ions can cross the plasma membrane down their electrochemical gradient.

Explanation:

Ion channels are molecular machines that serve as principal integrating and regulatory devices for controlling cellular excitability. Different types of ion channels have been described: channels that respond to mechanical, electrical (voltage-dependent ion channels), or chemical stimuli (ligand-gated ion channels); ion channels that are controlled by phosphorylation/dephosphorylation mechanisms; and ion channels that are dependent on G proteins. Most ion channels are of the voltage-dependent type and consist mainly of sodium (Na+), potassium (K+), and calcium (Ca2+) channels. Drugs can affect ion channel function directly by binding to the channel protein and altering its function or indirectly through G proteins and other intermediates. Lidocaine is a good example of a drug that directly affects voltage-gated Na+ channels by blocking the channel and thus Na+ entry into the cell.

Thanks! Have a great day!

8 0
2 years ago
Hemophilia is a disease that causes uncontrollable bleeding. If a father has it, all of his daughters will be carriers of the di
Ipatiy [6.2K]

Answer:

<em>Yes, the following description is true.</em>

Explanation:

Hemophilia is a sex-linked recessive disorder. This means that only one allele recessive allele for the trait in males will cause the disease to occur in males. However, for females, there should be two recessive alleles present for the gene for the trait to occur. A female carrying one recessive allele for the trait will be a carrier.

If a father is hemophiliac, this will mean that all the daughters will be carriers for the disease as they will have one of the allele for the trait from the father. On the other hand, about half of the sons will have the disease if they get the recessive allele from the father for the trait.

7 0
3 years ago
Some argue that solar power should be the main energy source for the United States. Which argument could be used against this id
docker41 [41]

Answer:

A. It contributes to global warming

Explanation:

  • Solar power is the power of the future and is an essential nonrenewable source of energy for man. Solar power is driven by the incoming solar energy in the form of solar rays.  
  • Solar power is eco-friendly and doe not cause any harm can be sued in the summer season and has ample scope for greenhouse gases.
  • As per the statement, the solar power should be used as the main energy source in U.S can be contradicted by saying it contributes to global warming.
5 0
3 years ago
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