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fomenos
3 years ago
7

10 points

Biology
1 answer:
Semmy [17]3 years ago
6 0

Answer:

One building block

Explanation:

The prefix mono means one

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Selects asample of n= 20 pregnant rats and mixes alcoholwith their food for 2 weeks before the pups are born.one newborn pup is
Dafna11 [192]

Your answer would be:

n = 20 pups is recorded.

known that the average birthweight for regular rats (without exposure to alcohol) is μ = 5.6 grams.

sample of n= 20 pregnant rats and mixes alcohol with their food for 2 weeks before the pups are born.

One Newborn pup randomly selected from each litter.

A.). What type of test you would use, to test the hypothesis that, alcohol consumption during pregnancy reduces birth weights? Answer, There is one treatment group, pups of alcohol-fed rats, which is being compared to a known population of regular rats, so the most appropriate statistical test is the z-test.

B.). Would you use a one - tailed, or two - tailed test? Answer, The independent variable is the alcohol condition whether, or not, / the pup’s mother received alcohol while pregnant; The dependent variable is the birth weight

C.). What would be an appropriate measure of effective, size to report?Answer, The scale of measurement for the independent variable is nominal. The scale of the dependent variable (birth weight) is ratio; effective size would be measured by Cohen's d, or r2.

Hope that helps!!!! : ) Answer: zx, Because, there is only one sample; and, it is compared to all the previous patients,/population. The σ, is given.

6 0
3 years ago
What is affected in a germ cell mutation?
Misha Larkins [42]

What is a germ cell mutation?

A germline mutation, or germinal mutation, is any detectable variation within germ cells (cells that, when fully developed, become sperm and ovum). Mutations in these cells are the only mutations that can be passed on to offspring, when either a mutated sperm or oocyte come together to form a zygote.

What is affected in a germ cell mutation?

Somatic mutations differ from germ line mutations, which are inherited genetic alterations that occur in the germ cells (i.e., sperm and eggs). Somatic mutations are frequently caused by environmental factors, such as exposure to ultraviolet radiation or to certain chemicals.

6 0
3 years ago
Which organism would be classified as an introduced species?
grin007 [14]

Answer:

C. An organism that was brought to an area by humans many centuries ago

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Which best describes the movement of DNA fragments during gel electrophoresis?
madam [21]

Answer: 4

Explanation: The smallest fragments travel the furthest distance through the gel plate because are able to move quickly through the gel.

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Why can a mutation disrupt the cell cycle?
Citrus2011 [14]
Because it's random
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