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klasskru [66]
4 years ago
14

Is The Following Sentance True Or False: Common Sense was published in Philadelphia in January 1776. Within months, 120,000 copi

es circulated throughout the colonies.
Biology
1 answer:
Alex73 [517]4 years ago
6 0

this statement is true

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A high concentration of bicoid protein at the opposite ends of a developing drosophila embryo would result in the development of
Anna71 [15]
The correct answer that would best complete the given statement above would be A TWO-HEADED FLY. A high concentration of bicoid protein at the opposite ends of a developing drosophila embryo would result in the development of a two-headed fly. The bicoid <span>gene is a type of egg-polarity gene and is transcribed by nurse cells. </span>
5 0
3 years ago
When planning a healthful diet, you should remember that: select one:
balandron [24]

Answer;

-the more physically active you are, the greater your discretionary calorie allowance

Explanation;

-When planning a healthful diet, you should remember that the more physically active you are, the greater your discretionary calorie allowance.

-A healthy eating plan; emphasizes vegetables, fruits, whole grains, and fat-free or low-fat dairy products, includes lean meats, poultry, fish, beans, eggs, and nuts, limits saturated and trans fats, sodium, and added sugars and also controls portion sizes.

5 0
4 years ago
Early ideas on the classification of life recognized all organisms as belonging to one of two fundamental lineages−prokaryotes o
Maksim231197 [3]
I think this view is NOT compatible with either of these hypothesis illustrated above. This is because each hypothesis presents prokaryotes as two separate groups. Prokaryotes are unicellular organism that lacks a membrane-bound nucleus, mitochondria, or any other membrane bound organelle unlike the eukaryotes which has the membrane bound nucleus and other organelles. 
4 0
3 years ago
Assuming Biological substances are 90 percent water and the density of water is 1.0 x 10^3 kg/m^3, estimate teh masses (density
Anastaziya [24]
A) The answer is 5.2 · 10⁻¹⁴ kg

It is known that the mass (m) is density (D) multiplied by volume (V):
m = D · V
D = 1.0 · 10³ kg/m³
m = ?
V = ?

Let's calculate the volume.
The volume (V) of a spherical cell is V = 4/3 π r³        (r - radius of a sphere)
r = ?     
d = 1.0 um = 1.0 · 10⁻⁶ m
Since radius is a half of the diameter, then:
r = d ÷ 2 = 1.0 · 10⁻⁶ m ÷ 2 = 0.5 · 10⁻⁶ m
It is known than π = 3.14
Therefore:
V = 4/3 π r³ = 4/3 · 3.14 · (0.5 · 10⁻⁶)³ = 4/3 · 3.14 · 0.5³ · (10⁻⁶)³
                    = 4/3 · 3.14 · 0.125 · 10⁻⁶*³ = 4/3 · 3.14 · 0.125 · 10⁻¹⁸ = 0.52 · 10⁻¹⁸
                    = 5.2 · 10⁻¹⁷ m₃

So, now when we know D and V, it is easy to calculate m:
m = D · V = 1.0 · 10³ kg/m³ · 5.2 · 10⁻¹⁷ m³ = 5.2 · 10⁻¹⁷⁺³ kg = 5.2 · 10⁻¹⁴ kg


b) The answer is 12.56 · 10⁻⁶ kg
It is known that the mass (m) is density (D) multiplied by volume (V):
m = D · V
D = 1.0 · 10³ kg/m³
m = ?
V = ?

Let's calculate the volume.
The volume (V) of a fly in the shape of cylinder is V = h π r²
h = 4.0 mm = 4.0 · 10⁻³ m
r = ?     
d = 2.0 mm = 2.0 · 10⁻³ m
Since radius is a half of the diameter, then:
r = d ÷ 2 = 2.0 · 10⁻³ m ÷ 2 = 1.0 · 10⁻³ m
It is known than π = 3.14
Therefore:
V = h π r³ = 4.0 · 10⁻³ · 3.14 · (1.0 · 10⁻³ )² = 4.0 · 10⁻³ · 3.14 · 1.0² · (10⁻³ )² =
                 = 4.0 · 10⁻³ · 3.14 · 1.0 · 10⁻³*² = 4.0 · 10⁻³ · 3.14 · 1.0 · 10⁻⁶ =
                 = 12.56 · 10⁻³⁻⁶ = 12.56 · 10⁻⁹ m³

So, now when we know D and V, it is easy to calculate m:
m = D · V = 1.0 · 10³ kg/m³ · 12.56 · 10⁻⁹ m³ = 12.56 · 10⁻⁹⁺³ kg = 12.56 · 10⁻⁶ kg
3 0
3 years ago
Which statements about the nucleus is not true?
Gelneren [198K]

Answer:

Does not contain electrons

Explanation:

Hope this helps!

3 0
3 years ago
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