BIOLOGY HIGH SCHOOL

Which explanation best explains the role of enzymes as catalysts in living systems?Select one of the options below as your answer:



A.
Enzymes accelerate chemical reactions without getting used up in the process.




B.
Enzymes accelerate chemical reactions by getting used up in the process.




C.
Enzymes decelerate chemical reactions by getting used up in the process.

Answers

Answer 1
Answer: I think the correct answer from the choices listed above is option A. The role of enzymes as catalysts in living systems is that they  accelerate chemical reactions without getting used up in the process. Enzymes hasten chemical reactions by providing alternative path for the reaction.
Answer 2
Answer: A. is the correct answer

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Which statement is true for cephalochordates? Notochord is present only in the larval stage; it is absent in adults. Notochord is present in the larval stage; it transforms to vertebrae in adults. Notochord is present throughout their lives.

Answers

Notochord is present in the larval stage; it transforms to vertebrae in adults

Answer:

Notochord is present throughout their lives.

Explanation:

Within the phylum of the chordates there are three subphylum. Cephalochordates, Urocordated and Vertebrates. Unlike the others, in the cephalochordates the notochord is present throughout its life, this extends dorsally from the tail to the head. The cephalochordates are considered primitive animals, live in marine waters and they feed by filtering.

Select the point of differentiation between the sporozoites and merozoitesa- The zygote of Plasmodium multiples in the gut of a mosquito forming the merozoites, whereas when merozoites multiply in human liver cells, they form spores called sporozoites.
b-The zygote of Plasmodium multiples in the gut of a mosquito to form sporozoites, whereas when sporozoites multiply in human liver cells, they form spores called merozoites.
c-The zygote of Plasmodium multiples in human liver cells forming the merozoites, whereas when merozoites multiply in the gut of a mosquito, they form spores called sporozoites.

Answers

"The zygote of Plasmodium multiples in the gut of a mosquito to form sporozoites, whereas when sporozoites multiply in human liver cells, they form spores called merozoites" is the point of differentiation between the Sporozoites and merozoites. The correct option among all the options given in the question is option "B". 

Answer:

The answer is B: "The zygote of Plasmodium multiples in the gut of a mosquito to form sporozoites, whereas when sporozoites multiply in human liver cells, they form spores called merozoites."

Explanation:

In Plasmodium, for example, the sporozoites are cells that produce in the mosquito's salivary glands, leave the mosquito during a blood meal, and drive liver cells (hepatocytes), where they generate. Cells infected with sporozoites ultimately burst, delivering merozoites into the bloodstream.  Merozoites are non-motile.A merozoite is a daughter cell of a protozoan parasite. Merozoites are the consequence of asexual propagation. Sporozoites are designed by sporogony, a type of sexual or asexual reproduction by multiple fission of a spore or zygote, representative of many sporozoans.

Hope I helped ya.

< Sarah >

The cell cycle only occurs in which type of cells?

Answers

eukaryotic cells??
Mitosis

the stage of the cell cycle during which the cell's nucleus divides into two new nuclei and one copy of the DNA is distributed into each daughter cell.

 

What is cryptograms​

Answers

Answer:

A cryptogram is a type of puzzle that consists of a short piece of encrypted text. Generally the cipher used to encrypt the text is simple enough that the cryptogram can be solved by hand. Substitution ciphers where each letter is replaced by a different letter or number are frequently used.

The endosymbiotic theory suggests that a prokaryotic cell ate another prokaryote, giving rise to eukaryotes..true or false

Answers

The answer is trueLol XD

What does a large-scale mutation affect?A.one or a few nucleotides in the DNA

B.sections in the chromosomes

C.the nucleotides with either a substitution, deletion or insertion

D.one or a few nucleotides in the RNA

Answers

The correct answer is A.
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