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n200080 [17]
3 years ago
14

In a chemical reaction, a reactant binds to an enzyme at a region know as the?

Biology
1 answer:
marshall27 [118]3 years ago
4 0
In a chemical reaction, a reactant bonds to an enzyme at a region known as the Active Site.
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What happens to the abundance of angiosperm and gymnosperm pollen fossils at the kt boundary?
dimaraw [331]
The KT boundary marks a mass extinction event. the KT boundary is the time between the Cretaceous and Tertiary periods. An asteroid hit the earth at the end of the Cretaceous and that caused the end of the Cretaceous period. Before the KT boundary, pollen from angiosperms and gymnosperms is high. After the meteor hits the earth, a mass extinction occurs and the amount of pollen from gymnosperms and angiosperms decreases dramatically, while the amount of spores from ferns increases. During the Cretaceous period there were many species of gymnosperms and angiosperms but they disappeared at the KT boundary, when the asteroid hit the earth. 
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3 years ago
9 Luis wants to interview someone who has a career in biotechnology. Which of
Pachacha [2.7K]
Bio refers to study of living things + technology (is pretty straightforward- i dont think i need to explain this)

This means Vincent modifies the DNA of bacteria to study the function of their genes is the correct answer :)
6 0
3 years ago
Which of the following is true about synthesis of mRNA?
Ierofanga [76]
I think it is 
<span>D. It takes place along an unraveled section of DNA</span>
3 0
3 years ago
Segments of DNA that contain the code for specific proteins are called _____.
VLD [36.1K]

These segments of DNA that contain the code for specific proteins are called genes.

Actual coding region of DNA are called exons.

Explanation:

A segment of DNA that codes for one distinct protein is called a gene. Each chromosome carries thousands of various genes. The genetic code of the DNA ever prevails protected inside the nucleus.

a gene is a stretch of DNA. Nucleotide consists of a sugar, phosphate and a base.. Genes are organized and packaged in units named “chromosomes.” Humans have 23 pairs of chromosomes.

7 0
3 years ago
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Fill in the Punnett square below to visualize the offspring of a cystic fibrosis carrier and a person who doesn't have cystic fi
valkas [14]

Answer:

50% of their children are likely to be carriers of cystic fibrosis

Explanation:

Since the normal allele "F" will be the dominant allele while the mutated CFR allele "f" will be the recessive allele, <u>the gene (pair of alleles) of the person that is a CFR carrier will be "Ff" while that of the normal person who isn't a carrier will be "FF"</u>. The attachment shows the crossing between the two parents. From the illustration in the attachment, for every 4 children given birth to, 2 of them will likely be normal, "FF", (not a carrier and doesn't have cystic fibrosis) while 2 others will likely be carriers of cystic fibrosis (Ff). Hence, 50% of their children are likely to be carriers of cystic fibrosis.

7 0
3 years ago
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