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Lisa [10]
3 years ago
8

What is a nucleus in a cell

Biology
2 answers:
Nataly_w [17]3 years ago
6 0
The nucleus is a membrane enclosed organelle found in most eukaryotic cells,which stores the genetic material .
Solnce55 [7]3 years ago
5 0
A nucleus is a membrane enclosed organelle in eukaryotic cells which stores dna.
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Which situation is an example of competition that could be found in the grassland?
Leni [432]
The answer is A. This is the only grassland competition.
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2 years ago
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Genetics and inheritance are controlled by the laws of _________. Each parent has ________ alleles for each trait. You have a __
amid [387]

Answer:

1. Segregation, one, 50%.

2. Punnett Square, A Punnett square allows the prediction of the percentages of phenotypes in the offspring of a cross from known genotypes (shows the probability of an offspring with a given genotype resulting from a cross), It does not show actual offspring.

Explanation:

Punnett Square, this gives you the total number of predicted offspring.

If my answer is perfect considered as brilliant

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2 years ago
10. Researchers observe a large population of birds on a remote island. Birds in the population are found to have either red cre
IgorLugansk [536]
Suppose that the proportion of the white crest alleles (r) is given by w and that of the Red crest allele (R) is given by p. We have that p+w=1. The probability that an individual has 2 r alleles is given by w*w since for each allele position the probability is w. Only these individuals have a White phenotype. Hence, we get that w^2=\frac{1759}{1759+11088}; the right hand side is the proportion of white birds in the total population. Doing the calculations, this yields that w=0.37. From this, we calculate that p=0.63. The possible ways we have heterozygous individuals are the combinations Rr and rR. The probability for each of those is p*w. Thus, the total probability is 2pw. This is equal to 0.466=0.47. This is the fraction of the future population that is going to be heterozygous assuming the conditions of the Handy-Weinberg equilibrium like random reproductive matching etc.
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3 years ago
What impact do you hope to have on the world and how will STEM play a role in making that impact, Essay pls help need ASAPPPP WI
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I want to help my friends, family, and, of course, the rest of the world fulfill their ambitions. to overcome their fears and pursue their dreams STEM has a role in fostering creativity and divergent thinking alongside essential disciplines in schooling. It encourages and motivates young people to develop new technology and concepts. Students benefit from inquiry-based coursework because they focus on practice and innovation.

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1 year ago
Serous membranes line certain cavities within the anterior body cavity. <br> a. true <br> b. false
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Serous membranes line certain cavities within the anterior body cavity. This statement is FALSE.

Serous membrane, also known as serosa in anatomy, is a silky tissue membrane made of mesothelium that lines the interior of bodily cavities and their contents. It secretes serous fluid to permit greased sliding motions between friction surface. Organs housed in body cavities that don't open up to the outside are covered by serous membranes that line the body cavities. The epithelium secretes a thin coating of serous fluid that coats serous membranes.

An indication of a serous membrane is the lining of the thorax. The pleura is the name for the serous membrane found in the thorax. The visceral pleura, the innermost layer, is on the lungs, whereas the parietal pleura, the outermost layer, is on the interior layer of the thorax.

Learn more about Serous membrane

brainly.com/question/12993358

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