BIOLOGY HIGH SCHOOL

How is the DNA code itself a homology?

Answers

Answer 1
Answer:

Answer:

Explanation:

These fundamental similarities are most easily explained by evolutionary theory: life shares a common ancestor. ... In fact, the DNA code itself is a homology that links all life on Earth to a common ancestor. DNA and RNA possess a simple four-base code that provides the recipe for all living things.
Answer 2
Answer:

Answer:

the DNA code itself is a homology that links all life on Earth to a common ancestor. DNA and RNA possess a simple four-base code that provides the recipe for all living things.

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Which of the following is not an example of self-management?knowing first aid

wearing your seatbelt

riding your bicycle without a helmet


practicing food-safety skills

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riding your bicycle without a helmet.

WHAT IS THE cell membrane gateway system is specifically called the

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The cell membrane gateway system you are looking for is called Sodium Potassium Pump.

What is meant by anterior and posterior region in our body?

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"Anterior" means 'nearer to the front'.  The anterior region of the body
is the region that includes the parts that are nearer to the front, like
toes and eyes.

"Posterior" means 'further back in position'.  The posterior region of the
body is the region that includes the parts whose position is further back,
like buttocks and heels.

In the 1950s, when watson and crick were working on their model of dna, which concepts were well accepted by the scientific community?

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Watson and Crick describe structure of DNA 1953 Photo: Model of DNA molecule In the late nineteenth century, a German biochemist found the nucleic acids, long-chain polymers of nucleotides, were made up of sugar, phosphoric acid, and several nitrogen-containing bases. In 1950, biochemist Erwin Chargaff found that the arrangement of nitrogen bases in DNA varied widely, but the amount of certain bases always occurred in a one-to-one ratio. 
Watson and Crick took a crucial conceptual step, suggesting the molecule was made of two chains of nucleotides, each in a helix as Franklin had found, but one going up and the other going down. 
Watson and Crick showed that each strand of the DNA molecule was a template for the other. 

In the 1950s, Both Watson and Crick were working on the composition of DNA, that is, the molecule that comprises the hereditary information for cells. The discovery of the double-helix, and the twisted ladder composition of DNA, by Watson and Crick, signified a landmark in the field of science and paved the path for the origination of modern molecular biology.  

However, when Watson and Crick were working on DNA model, some of the concepts were well accepted by the scientific community like the chromosomes are formed of nucleic acid and protein, chromosomes are found in the nucleus, and genes are located on the chromosomes.  

Pollution stays in the area where it is produced.
a. True
b. False

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False, because if it is air pollution, the polluted particles diffuse in the air and then travels. In addition, for noise pollution, sound waves travel!

When the north end of Earth's rotation axis is pointing toward the Sun, which statement is true? Select one:
a. The southern hemisphere receives more energy from the Sun.
b. Temperatures decrease in the northern hemisphere.
c. The northern hemisphere receives more energy from the Sun.
d. Temperatures increase in the southern hemisphere.

Answers

C. Northern hemisphere receives more energy from the sun. 
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30. How many DNA codes are used by life on Earth?
A single strand of DNA contains the following nine nucleotides in this order: ACT TAT GGA. What sequence of bases will be present on the complementary strand of DNA?