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loris [4]
3 years ago
9

1. Which are the two important roles of the atmosphere?

Biology
1 answer:
Korolek [52]3 years ago
6 0
The important role of the atmosphere is to supply oxygen, water, carbon dioxide and nutrients. It also protects all living things from extreme temperatures and radiation (protects us from harmful solar rays).
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Human abo blood groups are determined by a single gene with 3 alleles: a, b, and o. in a sample of 300 individuals, 100 are bloo
KengaRu [80]
Allele frequency is determined by looking at the dominant and recessive allele of a genotype. 
Using the given, we can come up with the following computation for the allele frequency:
allele A = 100/300 allele B = 50/300 allele O = 150/300
Hence, the frequency of allele A is 0.33 or 33%, allele B is .17 or 17% and allele O is 0.50 or 50%.  
5 0
3 years ago
Milk is converted to yogurt under certain conditions when the microorganisms in the milk produce acid. Which of these processes
oee [108]

Milk is converted to yogurt under certain conditions when the microorganisms in the milk produce acid. Which of these processes would you expect to be key in the production of yogurt?

a. Photosynthesis

b. Lactic acid fermentation

c. Krebs cycle

d. Alcoholic fermentation

Answer:

b. Lactic acid fermentation

Explanation:

Lactic acid fermentation occurs when pyruvate formed by glycolysis is reduced into lactate under the anaerobic conditions. The NADH serves as an electron donor for the reduction of pyruvate into lactic acid. Lactic acid bacteria are the anaerobic bacteria that ferment the milk sugar lactose into lactic acid. This converts the milk into yogurt. <em>Lactobacillus, Streptococcus salivarius</em>, etc. are mostly responsible for the conversion of milk into yogurt.

8 0
3 years ago
What is a waning moon?
Valentin [98]

Answer:

i think d

Explanation:

<u><em>hoped i helped</em></u>

3 0
2 years ago
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What is a long deposit of sand that's usually found near the coast?
damaskus [11]
<span>This is a barrier island. These typically are formed as a way of protecting the mainland from storms and erosional forces. In addition, barrier islands typically form parallel to the mainland and in chains. These islands can allow wetlands to form once enough sand has built up near the shoreline.</span>
8 0
3 years ago
Sexually transmitted infections can be passed through which type(s of contact? kine 198
Marizza181 [45]
The correct answer would be petting infected areas, vaginal intercourse, oral intercourse, and intercourse.

Glad i could help(:
8 0
3 years ago
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