Answer:
Read Below
Explanation:
Nucleotides are A & T and G&C you see in DNA and in RNA T is Replaced by U. The reason they must be balanced between G&C and T&A is because G has to bond with A in DNA and G with C so if there is more G than C that means there is mismatches between the DNA nucleotides same thing for A and T. In RNA you follow the same rule. If we have lets say 27% of our DNA as A we have to have 27% as T leaving 23% as C and 23% as G. If there was lets say 29% T while one 27% A then there was a error in DNA replication and could lead to errors in RNA synthesis if not corrected
Answer:
1. C
2. I
3. B
4. I
5. A
Explanation:
1. Nonrenewable resources include oil, natural gas, coal, and nuclear energy.
2. Nonrenewable resources cannot be readily replaced at the speed with which they are being consumed.
3. Renewable sources include biomass energy (such as ethanol), hydropower, geothermal power, wind energy, and solar energy. Biomass refers to organic material from plants or animals, etc.
4. Because they take a very long time to form. They are not replaceable.
5. Corn can be used for ethanol fuel, and a new crop of corn can be grown and harvested each year. Corn is a renewable resource. Also, renewable resources <u>cannot</u> be replaced in our lifetime.
Answer:
The answer is 'D'- Their arm bones have the same structure, but not function. These are homologous structures.
Explanation:
Homologous structures are those which share a basic common structure but perform different function. The hand of a human performs functions like <em>writing, cutting, washing, chopping</em> etc. The wings of a bat are used for the purpose of <em>flying</em>.
Also, <em>a dolphin's flippers, a bird's wing, a cat's leg</em> are all <u>homologous structures</u>. The structures which are homologous have the following features:
- They share a <em>common origin</em>
- Their <em>anatomy</em> is similar
- They have a <em>similar pattern of development</em>.
Answer:
The compound boron trifluoride, BF3, does not have non-bonding valence electrons and The following diagram shows four possible orientations of the O-H bonds. but the other configurations would give two different CH2Cl2 compounds. structure consisting of a simple chain of four carbon atoms, CH3CH2CH2CH3.
Explanation:
take notes
Answer:
i think it is the 3rd one
