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kolezko [41]
2 years ago
10

Who proposed the polynucleic model, stating that DNA and RNA were composed of nucleotides.

Biology
1 answer:
Paraphin [41]2 years ago
4 0
LeveneChargaffWatson and CrickNirenberg and Matthaei
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Looking at the chemical reaction provided here, propose a different method that could be used to measure amylase activity: Starc
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A fossil leaf that is made only of carbon preserved between two rock layers is called
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The mean resting pulse rate for men is 72 beats per minute. a simple random sample of men who regularly work out at mitch's gym
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Claim: the mean resting pulse rate for men is less than 72 bpm.

Symbolic form would be: μ < 72

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Step 2: alternative hypothesis:  μ <  7 2 b p m



Step 3: the test statistic is z = mean – μ / standard dev/sqrt (n) = -3/4 / 1.7639 = -1.92


Step 4: c v method: since z α = -1.645, the test static is z = -1.92 is less than the CV, we reject null hypothesis


            P Value method: area is 0.0274, since the p value is <= α, reject null hypothesis.

Step 5: the sample data support the claim that the mean resting pulse rate for men is less than 72 bpm.

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3 years ago
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The sharp, inch-long thorns of the crown-of-thorns sea star are its spines. These spines, unlike those of most other sea stars,
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The answer is A) derived from the nematocysts of its prey.

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