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riadik2000 [5.3K]
3 years ago
13

Identify twice substances that can cause changes in DNA

Biology
1 answer:
beks73 [17]3 years ago
4 0

Answer:

Radiation and mutations can cause changes in the DNA but there arent substances. Ribonucleic acids can cause errors if they match with the wrong acid.

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An athlete would like to supplement his diet with the highest concentrate whey protein. What form of whey protein is recommended
AveGali [126]

Answer:

Option B

Explanation:

Complete question -

An athlete would like to supplement his diet with the highest concentrate whey protein. What form of whey protein is recommended?

A. Whey protein powder

B. Whey protein isolate

C. Whey protein concentrate

D. Whey protein with casein

Solution -

Whey protein is taken by people who are intolerant to lactose. Among all the forms of why protein, whey protein isolate consists of 95 percent of protein and hence is the purest form of whey protein. Also the lactose concentration is negligible or absent. This protein also consists of low fat as compared to other forms of whey protein and due to all these features it is a bit costlier than other forms of whey protein

3 0
3 years ago
. Which one of the following cells would have the greatest surface-to-volume ratio?
pochemuha
I think it's ostrich egg
6 0
3 years ago
The neural pathway bringing temperature information from your left hand to the somatosensory cortex would have two synapses, wit
Westkost [7]

Answer:

The neural pathway bringing temperature information from your left hand to the somatosensory cortex would have two synapses, with the first being in the <u>spinal cord dorsal horn on the left side</u> and the second being in the <u>thalamus on the right side.</u>

Explanation:

The stimuli received by the external receptors must travel from the place where they are produced to the association centers located in the central nervous system, where the information is processed.

In the case of the sensory nerves, which conduct the temperature-related information from the left hand, it happens that:

  • They make their first synapse in the posterior horn of the spinal cord, responsible for receiving nerve impulses of sensitivity, on the same side as the stimulus (left).
  • The second synapse occurs in the thalamus, an organ of the central nervous system that is responsible for receiving information related to temperature. As the sensory and motor pathways are crossed, the portion of the thalamus that receives the information is the right one.

One of the consequences of the crossing of the sensory pathways is that everything related to one side of the body is processed on the opposite side of the somatosensory cortex.

Learn more:

Somatosensory cortex brainly.com/question/8340880

5 0
3 years ago
Cytochrome c is an enzyme located in the mitochondria of eukaryotic cells. The number of differences in the amino acid sequences
tatuchka [14]

Answer:c is the answer

3 0
3 years ago
On a backpacking trip, Kenny hikes all day at a steady pace, covering 30 kilometers and burning 4000 Calories. At the school tra
emmasim [6.3K]

Answer:

A. If the aerobic pathway—cellular respiration—cannot meet the energy demand, then the anaerobic pathway—lactic acid fermentation—starts up, resulting in lactic acid buildup and "oxygen debt."

D. The rate of energy demand determines how the muscles will obtain energy, either from cellular respiration or from lactic acid fermentation if not enough oxygen is present.

Explanation:

It is important to consider that Kenny hikes all day but at a steady pace, whereas Janelle runs very fast. So Kenny's case, the supply of oxygen is sufficient to maintain aerobic respiration within the muscle cells. During this process only CO2, Water, and ATP are produced; therefore, there is no oxygen debt. We should keep in mind that the body shifts to anaerobic metabolism only when the supply of oxygen is limited.

In Janelle's case, running fast would need energy at higher rates and the supply of oxygen would not be sufficient to generate a high amount of ATPs. Therefore, to compensate for this deficiency, cells will start fermenting glucose to lactic acid and produce ATP and maintain energy demands. This lactic acid causes fatigue and this is why Janelle has aching and breathing hard. Breathing hard is also automatic reflux to inhale more oxygen and meet oxygen demands but even breathing hard would not be able to make it and the body will shift to anaerobic respiration automatically.

5 0
3 years ago
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