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Grace [21]
3 years ago
15

Which of the following is NOT true regarding the members of a protein family in general?a. They have similar three-dimensional c

onformations.b. They share an ancestry; i.e. they are homologs.c. They can functionally replace each other.d. Their gene sequence is less well conserved than their structure.e. Over evolutionary time scales, the family has expanded mainly through gene duplication events.
Biology
1 answer:
natka813 [3]3 years ago
7 0

Answer:

d. Their gene sequence is less well conserved than their structure.

Explanation:

The fundamental definition of a protein family is that they need to be homologous or share strong sequence identity/similarity.

Whereas a protein superfamily encompasses proteins that may not be homologous but share similarities in their structures.

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What is the difference between an exchange pool and a reservoir? What role do these areas play in the water cycle?
goldfiish [28.3K]

Answer:

EXCHANGE POOL is a part of the cycle that holds water for a short period of time. 

RESERVOIR POOL is a part of the cycle that holds water for a long period of time. 

So, the main difference is the period of time each one holds water during the water cycle. 

Explanation:

Water is recycled during the water cycle. Chemical elements and water that are important for an ecosystem and the animals living in it are CONSTANTLY being recycled.  For instance, chemicals might travel from organisms to the atmosphere or oceans and come back to the organisms again. But, it certainly happens that water is held for many years in different parts of the cycle. For example, the atmosphere plays the role of an exchange pool because it holds the water in the shape of vapor for just a few days. The ocean is a reservoir for water since it may hold water for thousands of years. The water cycle happens on, above and below earth surface, so the water cycle is a global cycle. 

7 0
3 years ago
You are examining offspring (zygotes) of females that may have one or more copies of a recessive mutation in a maternally active
irinina [24]

Answer is only 1st case that is homozygous zygote is the right answer.

Explanation:

In maternal recessive mutation both the alleles are mutant and exhibit mutant phenotype. The mutated alleles are present as homozygous.

From the definition it is concluded that:

first case, homozygous zygote is mutant phenotype

second case, heterozygous zygote not mutant phenotype

in third case, heterozygous zygote not mutant phenotype.

             

4 0
3 years ago
A green seed it can you plant in the yellow seeded P plant half offspring with all yellow seeds what is the most likely reason
Alina [70]

Answer:

In cross-pollinating plants that either produce yellow or green pea seeds exclusively, Mendel found that the first offspring generation (f1) always has yellow seeds. ... that a trait may not show up in an individual but can still be passed on to the next generation.

Explanation:

7 0
2 years ago
Which kingdom(s) include organisms that are autotrophic or heterotrophic?
Alla [95]

Answer:

I hope this will help you:)

Explanation:

Autotrophic organisms are found in kingdom planted

Heterotrophic organisms are found in kingdom animalia

Kingdom monerans has some organisms like Cyanobacteria that can carry out photosynthesis so they are autotrophswhile the other main category of monerans is not capable of photosynthesis so are heterotrophs so this kingdom includes both o gains s

Kingdom protist are heterotrophs and autotrophs because some can prepare food while others cannot

Kingdom fungi has some organisms that can carry out photosynthesis like algae

while other are heterotrophs

5 0
3 years ago
Read 2 more answers
A person wearing a blue shirt is standing in the sunlight. What color(s) of light does the shirt reflect? What color(s) or light
sesenic [268]
The shirt reflects blue and absorbs every other color
6 0
3 years ago
Read 2 more answers
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