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stepladder [879]
3 years ago
9

What are the three structural components of a nucleotide? A. A carboxyl, a sugar, and a phosphate B. A phosphate, an amino acid,

and a carboxyl C. An amino acid, a carboxyl, and a phosphate D. A sugar, a phosphate, and a nitrogenous base E. A nitrogenous base, an amino acid, and a sugar

Biology
1 answer:
Vesna [10]3 years ago
3 0
D. a sugar, a phosphate, and a nitrogen base

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The endocrine system works closely with the _________
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I believe it’s immune system
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1 year ago
Which scenario would result in a decrease in population size, or a negative population growth?
wariber [46]

40 individuals emigrate, 0 individuals die, 10 individuals are born, 28 individuals immigrate would result in decrease in population showing negative population growth.

Explanation:

Negtaive population growth is a term used when individuals leaving the population is more than new individuals in the population.

Individuals would leave the population by two means:

either they die or emigrate from other places to join in.

The following scenario will be analysed by the formula provided to know the negative growth in population:

population growth = (birth rate + immigration) - (death rate + emigration)

putting the values in the equation:

first case:

immigrated individual = 14

emigrants = 0

new born = 14

died = 14

population growth = (14+14)-(14-0)= 14

second case:

immigrants = 28

emigrants = 40

new born = 10

died = 0

population growth= (10+28)-(0+40)= - 2

third case:

immigrants = 0                                                

emigrants = 12

new born = 17

died = 5

population growth = (17 +0)-(5+12) = 0

fourth case:

immigrants = 0                                                

emigrants = 19

new born = 25

died = 4

population growth:(25+0) - (19+4) =3

In second case the population growth has become negative. The value of population growth is -2.

7 0
3 years ago
Read 2 more answers
Vesicles are responsible for
bixtya [17]
1. C
2. C. 
3. D but it might be C (Not Sure)
4. B.
5. D
6. D
7. A
8. A
9. A
10. B 

I hope this helps :) 
8 0
3 years ago
Which of the following is the correct definition of biomass
const2013 [10]

Answer:

The total amount of organic matter from plants and animals in a habitat.

Explanation:

Biomass can be defined in ecological terms and in industrial (environmental science) terms. Ecologically, it is defined by the total mass of organisms (not organic matter) given a specific area or ecosystem. This definition is not in the choices therefore the industrial term for environmental science should be appropriate. In environmental science, biomass is the organic matter from living organisms whether wastes or dead animals or plants that can be used as fuel in powering power plants to produce electricity (mainly). Therefore from that definition, the correct answer is: All materials that form from the remains of living organisms.

6 0
2 years ago
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What is the process of breaking down rock
Mekhanik [1.2K]

Answer:

Weathering

Explanation:

Process where rock is dissolved, worn away or broken down into smaller pieces.

4 0
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