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Slav-nsk [51]
3 years ago
5

Why is water pollution a concern if water is continuously cycled through Earth's systerns?

Biology
1 answer:
Zarrin [17]3 years ago
6 0

Answer:

if the water is polluted then fish and water life will die and plants near by will be affected and could also die as well. its like acid rain its not good for the environment.

Explanation:

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Question 9 of 10
arsen [322]

Answer:

B

Explanation:

a cell does NOT destroy energy

6 0
3 years ago
Read 2 more answers
Select the five major mechanisms of antimicrobial resistance. Check All That Apply
Rudik [331]

Answer:

All the given statements are correct except b.

Antimicrobial resistance (AMR) refers to the ability of a microorganism to grow in the presence of drug or a chemical that would normally limit its growth or kill it.

It makes it difficult for the existing drugs to eliminate the infection as they become less effective against the microbe.

There are five major mechanisms by which a microbe attains resistance against antimicrobial chemical or drug:

  1. Drug modification or inactivation: A microbial enzyme inactivates the antimicrobial agent. For example, few bacteria produce β-lactamases which provide multi-resistance against β-lactam antibiotics such as penicillin, cephalosporin etc.
  2. Alteration or modification of target site: An altered target site prevents the antimicrobial agent from binding to its target. For example, alteration of penicillin binding protein (PBP) in Methicillin-resistant <em>Staphylococcus aureus </em>(MRSA).
  3. Alteration of metabolic pathway: The microbe uses an alternative pathway to circumvent the blocked pathway. For example, sulfonamides-resistant bacteria started using preformed folic acid in place of  para-aminobenzoic acid (PABA).
  4. Decreased drug accumulation: Microbial efflux pumps remove the antimicrobial agent (before it could do any damage) by pumping it out of the cell.
  5. Decrease in cell permeability: The permeability of the microbial envelope to the antimicrobial agent is decreased
8 0
3 years ago
Allen and andrew both have the same biological parents. Why do they not resemble either of there parents
taurus [48]
This can be because of their genetics. The siblings may not have inherited their parents looks, but maybe they inherited their grandparents looks, or even their aunts looks. This is all due to genetics. It's sort of the same thing, when two caucasian parents have an african-american child. That would be because somewhere along the family tree someone was african-american. 
Anyways, I hope this helps!

6 0
3 years ago
Read 2 more answers
has recently taken up weight lifting and his friends at the gym mistakenly believe they should eat more protein to build muscle.
faltersainse [42]

Complete Question

Ruben Ward has been weight lifting and eating a high protein diet. Below is Ruben's profile and what he ate for a day. He entered his profile information and food intake into Diet & Wellness Plus and then pulled the Diet & Wellness Plus Reports. View Ruben’s Intake vs Goals and Macronutrient Ranges Reports and then answer the questions below. Profile for Ruben Ward 1. Age: 19 years old 2. Gender: Male 3. Height: 5 ft, 8 inches 4. Weight: 205 lbs 5. Non-Smoker 6. Activity Level: Active

Ruben has recently taken up weight lifting, and his friends at the gym mistakenly believe they should eat more protein to build muscle. The DRI for protein for healthy adults is 0.8 g per kg body weight. If Ruben weighs 205 lbs (93 kg), how many grams protein per kg body weight did he eat on this day?

a. 5.37 g/kg

b. 10.33 g/kg

c. 3.55 g/kg

d. 4.88 g/kg

Answer:

c. 3.55g/kg

Explanation:

RDI means Recommended Dietary intake. It is the required amount of a nutrient expected to be taken by an individual for optimal health.

The Recommended Dietary Intake I'd protein falls withing the range of 0.8 grams per kg to 1.8 grams per kg

For Reuben

He weighs 93 kg

If Reuben consumed 330 grams of protein, his grams of protein per kg body weight is

330 grams ÷ 93kg

= 3.55g/kg.

4 0
3 years ago
What ethical issue is normally related to therapeutic cloning in which embryonic stem cells are
kiruha [24]

Answer:

whats are the options

Explanation:

5 0
3 years ago
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