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Paha777 [63]
2 years ago
15

Several groups of researchers were conducting experiments to study how exercise affects cholesterol levels. One group had colleg

e students run two miles a day for six weeks. Another group had senior citizens participate in gentle water aerobics twice a week for a year. Cholesterol levels dropped slightly among the college students but dropped significantly among the senior citizens. Based on these results, what should the researchers plan to do next to validate the findings?
Biology
1 answer:
Vesnalui [34]2 years ago
4 0

Answer:

Design more studies testing the effect of duration and intensity of exercise on cholesterol levels in different age groups.

Explanation:

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Calculate the average rate of change in corn yield from 1964 to 2008 (Round to the nearest whole number.)
Anna11 [10]

Answer:

In 1964 2.6 bales per hectare while in 2008, 380 bushels per hectare.

Explanation:

in 1964, the average corn yield was 2.6 bales per hectare which is equals to 570 kg per hectare while in 2008, the average yield of corn was 380 bushels per hectare which is equals to 9655 kg per hectare. This increase in the productivity of corn crop is due to advancement of technology, high yielding seed varieties and reduces post harvest losses. The yield of 2008 is 17 times higher than 1964.

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2 years ago
g Choose the correct answer from the list. Group of answer choices DNA sequences that are deduced by comparing many related DNA
REY [17]

Answer:

Explanation:

Group of answer choices DNA sequences that are deduced by comparing many related DNA sequences are called CONSENSUS. Unlike DNA synthesis, RNA synthesis requires TRANSCRIPTION. PROMOTERS direct RNA polymerase to the initiation site. RNA synthesis complexes containing DNA, RNA, and polymerase perform TRANSLATION. RNA synthesis (tRNA, mRNA, and rRNA) takes place in complexes containing DNA, RNA, and polymerase are called TRANSCRIPTION BUBBLES. The expression of beta-galactosidase requires the induction of operons by addition of REPRESSORS.

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Morgarella [4.7K]
The correct answer is C!

6 0
2 years ago
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Oduvanchick [21]
It’s definitely: C a covalent bond is formed between a carbon atom and a nitrogen atom along with the formation of H2O
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