What statement about the dna replication process in prokaryotes is true

1 answer:

7 0

DNA replication occurs due to an enzyme. The DNA unzips, and the enzyme pieces together new parts to make each half its own full DNA strand.

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Of the following experimental results, which is the best evidence that photosynthesis is more efficient at certain wavelengths o

GarryVolchara [31]

Answer:

The correct answer will be option-C

Explanation:

The plant absorbs the sunlight to perform photosynthesis which helps produce the sugar molecule used by the plants.

The plants absorb maximum sunlight at two wavelengths that are red and blue wavelength by chlorophyll and other pigments. The efficiency of photosynthesis is also measured maximum at these two active wavelengths called action spectrum.

In the given question, since the efficiency of photosynthesis has been discussed which could be measured with the production of oxygen and consumption of carbon dioxide. The experiment performed by the Engelmann showed that aerobic bacteria got concentrated in the blue and red wavelengths as the output of the photosynthesis were observed maximum.

Thus, the selected option is the correct answer.

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3 years ago

The cell membrane of a plant is surrounded by a thick which supports and protects the cell

Marat540 [252]

That would be the cell wall

4 0

3 years ago

Which statements describe ways that nuclear fission is different than nuclear fusion? Select the two correct answers.

myrzilka [38]

Answer:

Nuclear fission is the splitting of atoms while fusion is the combining

Explanation:

fission does not occur naturally while fusion occers in stars

8 0

3 years ago

Each species has a specific identifying number of chromosomes. For example, a cat, felis catus, has 38 chromosomes, while corn,

tester [92]

Answer:

Each species has a specific identifying number of chromosomes. For example, a cat, Felis catus, has 38 chromosomes, while corn, Zea mays, has 20 chromosomes each chromosome carries specific genes that are unique to that chromosome.

Explanation:

Chromosomes vary in shape and number among living beings. For example, the bacterial chromosome is a unique circular molecule, while human beings have 46 lineal chromosomes arranged in pairs (23 pairs). The total number of chromosomes is specific to each species, and it is denoted as the "chromosomic dotation" of the species.

Genes are the hereditable units that transmit the information needed to specify traits, from parents to offspring, generation to generation. Genes are arranged in sequence in the chromosomes. A chromosome might contain hundreds of thousands of genes.

Genes vary in size and shape. They are composed of pairs of bases, and these sequences also vary in number, producing genes of different lengths. In general, genes code for proteins. Proteins create the organism tissues and perform or carry out specific functions in the organisms, controlling almost all processes and chemical reactions.

Each chromosome carries specific genes that code for specific proteins that have specific functions in the organisms. Each chromosome carries information to synthesize different proteins needed to accomplish a certain function. But not all chromosomes carry the same gene sequences. Only homologous chromosomes carry information for the same trait, but even this information is not necessarily the same. They might have the same gene but different alleles.

4 0

3 years ago

:-) :-) :-) :-) :-) :-) :-) :-) :-)

Lilit [14]

I was gonna say thank you for the free points but lol.

anw the correct answer is Neighborhood environment

3 0

3 years ago