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MAVERICK [17]
3 years ago
8

What are the benefits that humans receive from the ecosystems called?

Biology
1 answer:
11111nata11111 [884]3 years ago
6 0
A is your answer u welcome
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In the absence of recombination, how many genetically different types of gamete can an organism with six homologous chromosome p
Black_prince [1.1K]

Answer:

(D) 64

Explanation:

We have given number of chromosome pair that is haploid number = 6

We have to calculate the number of possible gamete in absence of recombination

The number of garnets is given by 2^n where n is haploid number

In question we have given haploid number, that is n=6

So the number of gametes without recombination =2^6=64

So option (d) is the correct answer  

5 0
3 years ago
The proposed cause of CJD and kuru in humans, mad cow disease, and scrapie in sheep is a change in a brain protein. Disease vict
TiliK225 [7]

Answer:

secondary structure

Explanation:

Alpha helices and beta sheets are two main structural forms in secondary structure of proteins. This structures are formed spontaneously. The next step of protein structure formation is folding into tertiary three-dimensional form.

In diseases such as CJD and kuru, protein prion is changed in structure. It is not known how degeneration of priones protein structure occurs, but it can lead to neurodegenerative diseases which can even be fatal.

Priones are also known as proteinaceous infectious particles.

3 0
3 years ago
1. In a certain species of plant, the color purple (P) is dominant to the color white (p). According the Punnett Square, what is
zloy xaker [14]

1. is 0% because the dominant trait takes over

2. is 25% chance

     

3 0
2 years ago
The actual separation or division of the parent cell is called _____.
Anna71 [15]
The separation or division of the parent cell is called cytokinesis
8 0
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What is life science?
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All the branches of science that deal with the scientific study of living organism are called life sciences. e.g; botany,zoology,anatomy,biochemistry,embryology etc..
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