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elena-14-01-66 [18.8K]
2 years ago
13

Why are lab safety rules important? I’m currently doing an essay with minimum of 250 words. You don’t really have to do that but

can y’all give me some facts/ideas to put in my essay? Thank you and good day <3
Biology
2 answers:
S_A_V [24]2 years ago
6 0

Answer:

They keep you safe

Explanation:

They are important becasue they keep you safe while you are doing an expirement

Lunna [17]2 years ago
3 0

Answer: important because it helps make sure no one will get hurt

Explanation:

if there weren't lab rules then people could burn themselves or get severely hurt

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In humans having a wide jaw (W) is completely dominant to having a narrow jaw (w). Having large teeth (L) is completely dominant
Orlov [11]

Answer: The man's genotype is WwLt while the woman's genotype is wwLt.

Explanation: From the information given above, W is the allele for wide jaw, w is the allele for narrow jaw, W is completely dominant to w, L is the allele for large teeth while t is the allele for small teeth.

The man has wide jaw but his mother has a narrow jaw, since narrow jaw is recessive the man must have inherited one recessive allele for narrow jaw from his mother who has two recessive alleles for narrow jaw. Therefore since the man has wide jaw, he must be heterozygous for wide jaw (having one dominant allele for wide jaw and one recessive allele for narrow jaw), his genotype for wide jaw is therefore Ww. The man is heterozygous for teeth size, this means that he has one dominant allele for large teeth and one recessive allele for small teeth. His genotype for teeth size is Lt. Therefore the man's genotype is WwLt.

The woman has a narrow jaw, this means that she has two recessive alleles for narrow jaw (ww) and she is heterozygous for large teeth size, this means that she has one dominant allele for large teeth and one recessive allele for small teeth (Lt). Therefore, the woman's genotype is wwLt.

5 0
3 years ago
Which path through the carbon cycle is possible?
arlik [135]

Answer:

Plant to animal to atmosphere.

Explanation:

  • The carbon cycle describes the recycling of carbon from and back to the atmosphere.
  • Plants utilize the carbondioxide present in the atmosphere to produce carbohydrates in the presence of light through the process of photosynthesis.
  • When plants are consumed by animals, the carbon becomes a part of the animal.
  • Animals break down glucose molecules into energy (ATP), releasing water and carbondioxide in a process called cellular respiration.
  • This carbondioxide, as it is useless for animal cells, is released back into the atmosphere through gaseous exchange in the lungs.
4 0
2 years ago
In the practice of ________, scabs from smallpox victims were used to immunize susceptible individuals against smallpox.
Andreas93 [3]

Answer: Variolation

Explanation:

Variolation can be defined as the condition in which the inocolutaion of the individuals with the infectious materials, scabs or pulses from the smallpox victim.

This was introduced by the route of nasal passage or injected intravenously. The infection that developed because of this was less than normal and it provided protein against more serious disease.

Hence, the correct answer is Variolation.

4 0
2 years ago
A research team studies a large Eastern Milk Snake population in a metropark. In these snakes, gene T is one gene that affects t
sweet [91]

Answer:

Option E

Explanation:

As per Hardy Weinberg's second equation of equilibrium, the sum of genotype frequency for all possible genotype in a given population with two allele is equal to

p^2 + q^ 2+2pq = 1\\

Substituting the given values in above equation, we get -

0.16 + 0.64 + 0.20 =1\\ p^2+q^2+2pq= 1

Hence, second equation satisfies.

As per  Hardy Weinberg's first equation of equilibrium, sum of all allele frequencies is equal to 1

p + q=1\\\sqrt{0.16} +\sqrt{0.64} \\0.4+0.8 = 1.2\neq 1

Hence, this population is not in Hardy weinberg's equation.

After one generation, the frequency of T allele is 0.4 which is the same as that of frequency of T allele in previous generation

Also as per hardy Weinberg's theory , if a population genotype frequency sums up to 1,  it is in equilibrium if its allele frequency sum is also 1.

But here in 2004. This was not the case.

However, Weinberg has stated that the population which is not in equilibrium can reach equilibrium after one generation only with a new set of genotype frequency and allele frequencies.

Hence, in this case there is a possibility that allele and genotype frequencies have readjusted to sum  up to 1

If frequency of the T allele is 0.4

New frequency of the t  allele would be

1- 0.4\\= 0.6

and New genotype frequencies would be

p^ 2 = 0.4^2 = 0.16\\q^ 2 = (1-0.4)^2 = 0.36\\2pq = 1-0.16-0.36 = 0.48

Thus, p^ 2+q^2+2pq = 1

Hence, option E is correct

5 0
3 years ago
Why is the air temperature in the rain forest of Peru so warm?
jolli1 [7]

Answer:

Because Peru is located between the equator and Tropic of Capricorn. Since it is in the tropics, one might expect Peru to be a country of extreme heat  and heavy vegetation.

Explanation:

8 0
2 years ago
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