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alekssr [168]
3 years ago
6

Genes are located on chromosomes which are composed of

Biology
2 answers:
Stella [2.4K]3 years ago
8 0

Answer:

DNA

Explanation:

professor190 [17]3 years ago
7 0

Answer:

DNA and are made of protein and a single molecule of doexyribonucleic.

Explanation:

DNA and protein

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The heart is part of the cardiovascular system and is made of cardiac muscle. Cardiac muscle has special characteristics that di
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<h2><u>Answer:</u></h2>

<u>cardic muscles:</u> are present only in the heart .single cell is not very strong by itself, millions of cardiac muscle cells working together are easily able to pump all of the blood in the body through the heart in less than a minute. Cardiac muscle cells have a branched shape so that each cell is in contact with three of four other cardiac muscle cells.

<u>characteristics  of cardic muscles: </u> one nucleus ,striated, involuntary, branched and joined to one another by intercalated discs that contain  gap junctions for depolarization between cells and  hold the fibers together when the heart contracts.

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3 years ago
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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.

5 0
3 years ago
What is the definition of backgrounding operation
stepan [7]

Um i think the definition for back-grounding is an intermediate stage sometimes used in cattle production which begins after weaning and ends upon placement in a feedlot. I think i am correct i am 84% sure. Mark brainiest if this helped.

Have a nice day or night

8 0
3 years ago
Citing three pieces of evidence, identify and describe the biome we live in here in Bowling Green/Warren Co Kentucky. When descr
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Answer:

In Bowling Green, the summers are hot and muggy, the winters are very cold, and it is wet and partly cloudy year round. Over the course of the year, the temperature typically varies from 28°F to 88°F and is rarely below 13°F or above 95°F.  

Based on the tourism score, the best times of year to visit Bowling Green for warm-weather activities are from mid May to late June and from late July to late September.

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Por lo general, las células son redondas, alargadas o esféricas. También hay algunas celdas que son largas y puntiagudas en ambos extremos. Estas células presentan forma de huso. En algunos casos, las celdas son muy largas.

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3 years ago
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