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Eduardwww [97]
3 years ago
14

Where in an embryo are the instructions located for how to build organs?

Biology
2 answers:
Veseljchak [2.6K]3 years ago
7 0

Answer:

Nucleus

Explanation:

APEX

guajiro [1.7K]3 years ago
6 0

in the DNA, stem cells

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DNA is like a 1) _________________ much as the specific sequence of letters on base pairs are like 2) _____________ and 3) _____
djverab [1.8K]

Answer:

DNA is like a ladder, it's structure is double helix much as the specific sequence on letters on base pairs are like single rung along the genetic ladder and sugar phosphate.

Explanation:

DNA or Deoxyribonucleic acids is a genetic material found in humans and other living organisms. It is located in the nucleus and sometimes it is found in the mitondondrial in small amount.

The information in DNA is stored as a code made up of four chemical bases; Adenine (A), Guanine (G) , thymine (T) and cytosine(C).

DNA replicates and make copies of it self. It is formed by based pairs attached to sugar phosphate.

7 0
2 years ago
Which of the following is a correct statement about evolution?
alexandr402 [8]

Answer:

C. Evolution is a change of allele frequency from one generation to the next

Explanation:

Evolution is the gradual change that occurs to living organisms over successive generations. According to Charles Darwin, these changes aid in the adaptation of the species of an organism to their environment. In other words, it makes them better fit.

Charles Darwin further stated that since evolution is dependent on natural selection i.e selection of the best fit by environmental factors, the changes that the organism undergo are genetic. Hence, evolution is a change of allele frequency from one generation to the next.

5 0
3 years ago
20. What condition is required for ATP synthase to move hydrogen down its gradient? A. More ATP molecules ahead of the hydrogen
Aleksandr-060686 [28]

Answer:

B

Explanation:

This H+ ion gradient is referred to as a proton motive force. It is  created using energy from the Krebs cycle in the matrix of the mitochondria. As electrons are passed from one protein complex to another, reducing molecules such as NADH and FADH2, the protons are pumped to the intermembrane space of the mitochondria. ATP synthase uses this potential to generate ATP as the H+ ions move downgradient (back to the matrix) through channels in the protein enzyme.  

4 0
3 years ago
Read 2 more answers
After running laps, your body temperature increases
Ilya [14]

Answer:

this is true

Explanation:

8 0
3 years ago
What do you think could be done to reduce levels of carbon dioxide in the atmosphere?
damaskus [11]
We cant really take away the carbon dioxide that is already present in the atmosphere unless with very advanced technologies but we can surely reduce the production level.

The production of carbon dioxide is mostly from the burning of fossil fuels and the gas produced by factories or vehicles.

As ourselves, we may not be able to stop the factories from producing gas and burning fuel but there are still something that we can do to help a bit. For example, turn off the electrical appliances when we're not using. This can save electricity thus to reduce the burning of fossil fuels. Or we can also take public transport instead of private vehicles to reduce the amout or carbon dioxide given out.

As the government, they should set up laws to control the gas produced by factories and vehicles, such as examining the gas content.
8 0
3 years ago
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