Data collection relies entirely on scientific experiments? true or false

prior to the ideas presented by charles darwin concerning evolution , several alternating theories had been developed , they all

loris [4]

I think you forgot to give the options related to the question. So it becomes a bit hard to answer the question perfectly, still i would do my best and hope that it comes to your help. Prior to the ideas presented by Charles Darwin concerning evolution, several alternating theories had been developed and they included all but the DNA differences within a species lead to some individuals being better able to survive. This theory was developed after Darwin came up with his theory..

6 0

3 years ago

Wild‑type E. coli cells can synthesize all 20 common amino acids, but some mutants, called amino acid auxotrophs, are unable to

monitta

Answer:

Complete questions include: Answer Bank: Guanine nucleotides, uridine nucleotides, adenine nucleotides, cytosine nucleotides.

Explanation:

Glycine Auxotroph: Guanine nucleotides and adenine nucleotides (Purine nucleotides)

Glutamine auxotroph: Guanine nucleotides and adenine nucleotides (purine nucleotides)

Aspartate auxotroph: Guanine nucleotides, uridine nucleotides, adenine nucleotides, cytosine nucleotides Both purine and pyrimidine nucleotides)

The amino acids glutamine, glycine, and aspartate provide all the nitrogen atoms of purines in a two ring-closure steps to form the purine nucleus. Pyrimidines are synthesized from carbamoyl phosphate and aspartate.

4 0

3 years ago

Why do phospholipid from a biliary in water ?

Bond [772]

Phospholipids have a hydrophilic(water-liking) ‘head’ and a hydrophobic ‘tail’ so they are amphipathic. They form a lipid bilayer because of their amphipathic properties. The tails get sandwiches between the hydrophilic heads that are able to interact with water.

Hope this helps:)

7 0

3 years ago

An object has a weight of 21,532 N on Earth. What is the mass of the object?

Nuetrik [128]

7) 2,197 kg

The weight of an object on Earth is given by:

$W=mg$

where m is the mass of the object and $g=9.8 m/s^2$ is the acceleration due to gravity. Since we know the weight of the object, W=21,532 N, we can re-arrange the equation to calculate the object's mass:

$m=\frac{W}{g}=\frac{21,532 N}{9.8 m/s^2}=2,197 kg$

8) 2,197 kg

Mass is an intrinsec property of an object: it says "how much matter" is contained within an object. Therefore, the mass of an object does not depend on its location: so, the object has the same mass on Earth and on the moon, and so its mass is still the same as the previous exercise, 2,197 kg.

9) 187,500 N

The force exerted on an object is given by Newton's second law:

$F=ma$

where m is the mass of the object and a its acceleration. In this problem, $m=250 kg$ and $a=750 m/s^2$ , so the force exerted on the object is

$F=(250 kg)(750 m/s^2)=187,500 N$

10) 2nd Law

Newton's second law states that an object which is acted upon a force experiences an acceleration given by:

$a=\frac{F}{m}$

where F is the force and m the mass of the object. As a result, the object accelerates, so if it was at rest, it starts moving.

This is exactly what happens in this example: the ball is initially at rest, but then a force is applied on it (by the kick), so the ball is accelerated and it starts moving.

3 0

3 years ago

Read 2 more answers

A breeder wants to set up a program to produce zebrafish with long fins. Having long fins is a dominant trait compared to the sh

Radda [10]

Answer:

Continuous long-finned offspring from several cross test

Explanation:

She must severally test cross betweethe long-finned fish and the short-finned fish; if the offspring are always long-finned, the long-finned parent could probably be homozygous

5 0

3 years ago