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enot [183]
2 years ago
6

Please tell me answers I am given you brainliest ​

Biology
1 answer:
qwelly [4]2 years ago
6 0

Answer:

Q2->They all form acids when combined with hydrogen. They are all fairly toxic. They readily combine with metals to form salts.

Q3->Because their outermost orbit is complete.  In Mendeleev's original periodic table there was no place reserved for noble gas.  They were discovered in end of 19th century.  So Mendeleev created zero group without disturbing original periodic table.

Explanation:

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Recall that two hydrogen bonds bind A and T, but three hydrogen bonds bind G and C. Because the stability of DNA is affected by
IrinaK [193]

Answer:

A molecule with 32 percent or more amount of Cytosine.

Explanation:

DNA is the genetic material of all the living organism but in few viruses, RNA can also acts as the genetic material. DNA contain nitrogenous bases ( adenine, guanine, thymine and cytosine), deoxyribose pentose sugar and the phosphate bond.

The triple bond is more stable than the double bond. Since, cytosine and guanine shows triple hydrogen bonding and shows more stability. The DNA molecule that contains more residues of guanine and cytosine is stable than the molecule containing adenine and thymine residues.

Thus, the answer is molecule with 32 percent or more amount of Cytosine.

8 0
3 years ago
The Grand Coulee dam and hydroelectric plant are located on the Columbia River in Washington state.
marin [14]

Answer:

Explanation: Hydropower is the generation of electricity from water through the construction of dams. it is a renewable energy source use over a wide range of environment. Construction of a waters storage project can raise the water level behind a dam from a few feet to several hundred feet by prevention water free flow called Inundation.

It leads to migration of human and other living organism such as fish and salmon. Salmon movement may be disoriented through the slower move of the water this leads to migration.

Fish moving around the dam coming in contact with turbines and the walls of the dam can become stressed, injured or die

vegetation and surrounding water it provide habitat for birds, waterfowl, and small and large mammals when hydroelectric project results in blockage of free-flowing river, the nesting, forage, and cover provided for the organism in these areas is temporarily or permanently lost.

5 0
3 years ago
Which nucleic acid provides the master code for protein synthesis?
ioda
MRNA it is the messenger, for it "feeds" information
8 0
3 years ago
Read 2 more answers
Identify the correct term using the descriptions provided. A group of organisms of the same species that live in an area:.
kakasveta [241]

Answer:

population

Explanation:

8 0
3 years ago
Which organelle recycles molecules for the cell to use again?
Sphinxa [80]

Answer:

lysosomes

Many components of the cell eventually wear out and need to be broken down and the parts recycled. This activity takes place inside the cell in specialized compartments called lysosomes.

3 0
3 years ago
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