Question

these are questions from the biology quiz and I cannot find the answers for it. YOU...

these are questions from the biology quiz and I cannot find the answers for it. YOU CAN JUST ANSWER IN A, B, C, D

3. What describes the Regeneration Phase (Phase III) of the Calvin cycle?

A. use of ATP and NADH to reduce 3 phosphoglycerate to G3P

B. convert glucose back to RUPB

C. covert five G3p to three RUPB

4. Which of the following is involved during the process of translation?

A. ligase B. promoter C. ribosomes D. RNA polymerize

5. Which of the following is a reactant for the light-dependent reactions of photosynthesis?

A. glucose B. CO2 c. water D. O2

6. What is occurring during the process of translation?

A. the conversation of the information in DNA to make mRNA

B. the conversation of the information in DNA to make tRNA

C. .......................................................in rRNA to make protein

D. ........................................................in mRNA to make the polypeptide chain of protein

7. " During the process of transcription, the information stored in _____ is being turned into ______."

A. trna:DNA B. rRNA: DNA C.DNA:mRNA D. DNA: tRNA

8. Which sequences of RNA are spliced into functional mRNA and sent to a ribosome for translation?

A. promoters B. terminator C. exons D. introns

9. Which of the following describes a template strand during transcription?

A. a DNA strand specifies the complementary mRNA molecule

B. a DNA strand that is not used to transcribe mRNA

C. a sequence present in protein coding mRNA

10. 4. " When an incorrect base is added during DNA replication, what should happen?"

Homework Answers

Answer #1

3. C

4. C

5. C

6. D

7. C

8. C

9. A

Explanation

3. In the Regeneration Phase (Phase III) of the Calvin cycle, Ribulose 1,5-bisphosphate (RuBP) - the molecule that actually starts the cycle, is regenerated from Glyceraldehyde 3-phosphate (G3P) so that the cycle can continue. ATP is also used in this process.

4. During the process of translation, ribosomal subunits assemble together on the mRNA strand to perform translation. The ribosome decodes the mRNA sequence and a long, continuous chain of amino acids emerges to form a polypeptide or a protein.

5. In the light-dependent reactions of photosynthesis, splitting water molecules into oxygen gas, hydrogen ions and electrons produces the required energy for subsequent electron and proton transport.

6.  The translation is the process in which ribosomes synthesize proteins from mRNA. It is the process of translating the sequence of a messenger RNA (mRNA) molecule into a sequence of amino acids.

7. Transcription is the process by which the information in a strand of DNA is copied into a new molecule of messenger RNA (mRNA).

8. In most eukaryotic genes, coding regions (exons) are interrupted by non-coding regions (introns). During the process of RNA splicing, introns are removed and exons joined to form a contiguous coding sequence and sent to a ribosome for translation.

9. In transcription, a region of DNA opens up to be read by the ribosome. One strand - the template strand - serves as a template for the synthesis of a complementary RNA transcript.

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