"a(n) ________ drug is effective against a wide variety of pathogens."

Biology

1 answer:

Romashka-Z-Leto [24]2 years ago

5 0

A Broad-spectrum drug.

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HELP PLEASE!!!! I’ll really appreciate it:( what is the experimental variable, independent variable, dependent variable, control

vlabodo [156]

I’m like 99 Percent sure this is right.

Experimental Variable: Orange Trees
IND. Variable: The Fungi
DEP. Variable: Fruit Weight
Control Group: Group A
Experimental Group: Group B

Hope this helps!

7 0

2 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

2 years ago

Two different recording stations have found that they had the same value for T after an earthquake. If this is all the informati

igor_vitrenko [27]

They can conclude that the epicenter is the same distance from both recording stations.

7 0

2 years ago

Read 2 more answers

The kerbs cycle is considered a cycle because

Lady_Fox [76]

Answer:

It is a cycle because oxaloacetic acid is the exact molecule needed to accept an acetyl-CoA molecule and start another turn of the cycle.