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2 years ago

Time zones are weird cause It's 2 A.M. in your car ,Windows down, I pass my street

Biology

2 answers:

Hoochie [10]2 years ago

6 0

Answer:

interaction between two different organisms living in close physical association, typically to the advantage of both.Compare with antibiosis.

a mutually beneficial relationship between different people or groups.

Explanation:

Lilit [14]2 years ago

6 0

Answer:

Symbiosis is the interaction between two different organisms living in close physical association, typically to the advantage of both.

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What factors allow a pool of 20 amino acids to produce thousands of unique proteins? (select the 3 that apply.)?

dsp73

The possible answers are:
A. Variation in length of the amino acid backbone
B. Each protein is encoded by a distinct gene
C. Variations in the type of peptide bond
D. Variations in the glycosidic linkage
E. Variation in tertiary structure
F. Variations in which amino acids are used

The correct answers are A,E and F
There are only 20 amino acids that make all of the proteins in our bodies. However, there are options for protein variation are almost unlimited.
Firstly, you can vary the number of different amino acid that you use to make a protein.
Secondly, you can also vary the length of the amino acid chain.
And thirdly, when an amino acid chain is formed different parts of the chain interact with each other, bonding chemically, forming different 3-dimensional structures of the protein.
All of this contributes to the vast variation in proteins.

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4 years ago

Which organism is most specialized

hoa [83]

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нσρє ι ¢συℓ∂ нєℓρ

5 0

3 years ago

27. some farmers use manure on their crop fields. how does this help the plants?

Marina86 [1]

Manure supplies plants instantly with nitrogen, phosphorus, potassium and other nutrients by warming the soil

8 0

3 years ago

which pattern of inheritance is responsible for a wide range of phenotypes that result from the individual organisms having many

Stella [2.4K]

The answer is polygenic inheritance.

Polygenic inheritance is responsible for traits that are controlled by two or more genes. It is also called multiple gene inheritance. Examples of polygenic inheritance are height, weight, skin color, eye color.
Since a great number of genes control one trait, it is expected that each one has a relatively small effect

6 0

3 years ago

The number of cells in an average-sized adult human is on the order of 10^14 cells. Use this information, and the estimate that

KengaRu [80]

IF:
Number of cells: $C = 10^{14}$
DNA lenght: $D = 2m = 12.42 * 10^{-4} mi$
Distance from Earth to Sun: $ES=93000000 mi = 9.3* 10^{7}mi$

Then:
a) Over how many miles would the total DNA from the average human stretch?
The answer is product of multiplication of the number of cells (C) and the DNA length (D):
Total DNA: $T = C*D$
⇒ $T = 10^{14}*12.42* 10^{-4} mi$
⇒ $T = 12.42* 10^{14-4} mi$
⇒ $T = 12.42* 10^{10} mi$
The total DNA from the average human will stretch $12.42* 10^{10} mi$

b) How many times would the total DNA from the average human stretch from Earth to the Sun and back?
The answer is concluded from the ratio of the total DNA length (T) and the twice (because of stretch to the Sun and back, thus, two directions) of distance from Earth to the Sun (ES) and :
Ratio: $R= \frac{T}{2*ES}$
⇒ $R = \frac{12.42* 10^{10}mi }{2*(9.3* 10^{7}mi)}$
⇒ $R = \frac{12.42* 10^{10}}{18.6*10^{7}}$
⇒ $R = 0.6677* 10^{10-7}$
 ⇒ $R = 0.6677* 10^{3}$
 ⇒ [tex]R = 667.7
Thus, 667,7 times will the total DNA from the average human stretch from Earth to the Sun and back.

6 0

3 years ago