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avanturin [10]
2 years ago
13

Why did the reaction rate for enzyme j drop when the temperature exceeded 50 c?

Biology
1 answer:
steposvetlana [31]2 years ago
8 0
The reaction rate dropped because THE OPTIMUM TEMPERATURE OF THE ENZYME HAS BEEN EXCEEDED.
Each enzyme has the specific temperature and other conditions at which they act best, this is called their optimum condition. When the condition in a reacting system is below or above the optimum conditions of an enzyme, the activity of the enzyme will be reduced.<span />
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The lineage of pea plants produced round seeds for four generations. The plants that fertilized these pea plants also produced r
adell [148]

Yes, it is possible.

In this case both of the parental plants were heterozygotes and they manifested dominant allele in their phenotype, which is round seed.

P: Aa x Aa

F5: AA, Aa, aA, aa - possible genotypes in fifth generations.

A- dominant allele (round seeds); a- recessive allele (wrinkled seeds)

Wrinkled phenotype is manifested only if there are two recessive alleles present.

3 0
2 years ago
Which would be the beginning of primary succession?
pentagon [3]

Answer:

Trees sprouting after a forest fire.

Explanation:

7 0
2 years ago
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The wild-type allele for a gene has more base pairs than the mutated form of the allele. Which type of mutation occurred?
CaHeK987 [17]
The type of mutation that occurred would be base pair deletion.

Brainliest appreciated :D
6 0
3 years ago
Which is an example of an insertion mutation that changes all of the amino acids that follow the mutation?
astra-53 [7]

Answer:


2) CAG - TTC - ACG mutates to CAG - TTC - ACC - ACG

Explanation:

Insertions are mutations in which extra base pairs are inserted into a new place in the DNA. The number of base pairs inserted can range from one to thousands!

In option no. 1: We see that there is not addition of a single or more than one base, but the new base sequence is different from the original sequence at three places i.e: TTA - CAC - G

In option no. 2: The insertion of three bases ACC has been made exactly after TTC, the whole sequence and arrangement of bases remain same except this insertion.


In option no. 3: The first base of the sequence T is replaced with A, and all other sequence is same. This type of mutation is called substitution in which one base is replaced by other.


In option no. 4: The last base of the sequence C is deleted, and is not present in new sequence. This type of mutation is called deletion in which a base is removed from the sequence.


Conclusion: Therefore, the best option is 2, in which whole codon is inserted in the DNA base sequence.



7 0
2 years ago
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Question 1: Some cells produce and secrete high levels of digestive proteins. Which organelles would you expect to be abundant i
Bumek [7]

Answer:

q1 : ribosomes because they are responsible for protein synthesis

q2 : by transporting potassium ions into the cell and sodium ions out of the cell maintaining a concentration gradient

q3 : seawater contains a high concentration of sodium and chlorine ions that the Atlantic cod gets rid of by actively transporting them out of its body

8 0
3 years ago
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