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ruslelena [56]
3 years ago
8

I am having a hard time answering these questions. Please help.

Biology
1 answer:
Reptile [31]3 years ago
5 0

Answer:

1) Altering the DNA of organisms is considered controversial because we do not know what circumstances might occur if the DNA which is being altered turns out to have adverse effect on the organism. There are also concerns that altering the genome and producing organisms with better traits might eradicate the particular wild type organisms on the whole.

2)Yes, there should definitely be a guideline as to who can you the recombinant DNA technology and up to what limits. If guidelines are not set up then it can lead to serious devastating results. We might end up making manipulations which can be very harmful for life. Hence, recombinant DNA technology should be used with much care and under strict guidelines.

3) The techniques in recombinant DNA technology has enable us to make precise changes in the DNA at a higher frequency but certain guidelines shall be set up to control the devastating results which might occur. The concern related to life shall be the first and foremost concern while practicing such techniques.

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In an/a __________, living organisms work along with physical component of a habitat to maintain
kvasek [131]

Answer:

Ecosystem

Explanation:

In an ecosystem, living organisms work along with physical components of a habitat to maintain life

8 0
3 years ago
Read 2 more answers
The purple color in a purple pea plant is dominant to a white-color. what would be the expected outcome of a cross between a pur
pentagon [3]
Well, it depends on the purple pea plant. Purple pea plants can have either PP or Pp.

White pea plants always have recessive, so it would have pp only.

So, the expected outcome of the cross would be - 
PP x pp or Pp x pp

PP x pp = all the offspring would be purple in colour 
 or 
Pp x pp = half would be purple and the other half would be white


6 0
4 years ago
"This is a large scale ocean water circulation driven by density differences due to the changes in surface water temperatures an
ryzh [129]

<u>Thermohaline</u> is a large scale ocean water circulation driven by density differences due to the changes in surface water temperatures and fresh water fluxes.

Explanation:

Thermohaline circulation is the ocean circulation driven by variation in ocean densities. The deep ocean currents are influenced variations in the temperature controlled water density (thermo) and the salinity (haline) of the ocean waters. This circulation happens due to the thermal and haline influences on the ocean waters.  

Due to extremely cold water, the ocean waters in the Earth’s polar region gets very cold and forms sea ice leaving salt behind. This decreases sea water temperature but increases the salinity levels.

With increase in salinity, the density of the water also increases which makes the water heavy and sink and the surface water moves in to fill the sunken sea water.

Again this surface water also becomes cold and the cycle continues leading the global ocean conveyor belt and causes freshwater fluxes depending upon the latitude of the ocean.

3 0
3 years ago
A 9-year old child suddenly collapsed. after comfirming the scene is safe, a single rescuer determines that the child is in card
umka21 [38]

Answer:

Alternating the compressor role every 2 minutes.

Explanation:

  • High-quality CPR is essential to help the person survive after getting into cardiac arrest. 
  • In the high-quality CPR, two rescuers are involved and they switch positions in the CPR after every two minutes. 
  • By switching their positions the<em> two rescuers alternate in this high-quality CPR to give the chest compressions. </em>
  • This switch is essential to reduce the fatigue faced by the rescuer. 

7 0
3 years ago
Read 2 more answers
The proximal end of the radius illustrates the relationship of form and function. The cup-like surface of the radial head articu
Ksivusya [100]
<h2>The rotational motion of the forearm</h2>

Explanation:

  • The two large bones of the forearm, one being the Ulna and the other is radial bone or radius.
  • The Radius is larger in size than the Ulna.
  • Radius is prism shaped, little curved longitudinally long bone.
  • The part of two joints known as elbow and wrist comprised the Radius.
  • Radius link with the capitulum of the humerus at the elbow region.
  • Radius forms a joint at the wrist region with the ulna bone.

6 0
4 years ago
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