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AC-HPAT Biology – Unit 1-3 Exam || Questions & Answers (100% Verified) $10.99
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AC-HPAT Biology – Unit 1-3 Exam || Questions & Answers (100% Verified)
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AC-HPAT Biology – Unit 1-3 Exam || Questions & Answers (100% Verified) AC-HPAT Biology – Unit 1-3 Exam || Questions & Answers (100% Verified) What are the two processes of cell division? – ANSWER - mitosis (the division of the genetic material) and cytokinesis (the division of cytoplasm ...

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  • August 18, 2024
  • 11
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • ac hpat biology unit 1 3 exam questions and answ
  • what causes genetic disorders by changes in chromo
  • how is meiosis different from mitosis
  • what happens during metaphase
  • what happens during prophase

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  • AC-HPAT Biology
  • AC-HPAT Biology

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AC-HPAT Biology – Unit 1-3 Exam ||
Questions & Answers (100% Verified)




CONCEPTIAL RESEARCHERS


, AC-HPAT Biology – Unit 1-3 Exam ||
Questions & Answers (100% Verified)
What are the two processes of cell division? – ANSWER -
mitosis (the division of the genetic material) and cytokinesis (the division of
cytoplasm between the new daughter cells)

What does DNA do as cell division begins? – ANSWER -
he loose chromatin strands coil more tightly around special proteins called histones,
forming shorter, more condensed structures called chromosomes.
What are the four stages of mitosis?
1. Prophase
2. Metaphase
3. Anaphase
4. Telophase




What happens during prophase? – ANSWER -
- the chromatin inside the nucleus condenses to form shorter, thicker structures
called chromosomes.
- The nuclear membrane and nucleolus disintegrate. - In animal cells, the two pairs
of centrioles move toward opposite sides and spindle fibres begin to form.
- Plant cells lack centrioles. Instead, spindle fibres originate from two opposing spots
called the poles.

What happens during metaphase? – ANSWER -
- The double-stranded chromosomes migrate to, and align at, the equator of the cell.
- Spindle fibres originating from the centrioles or poles attach to the centromeres of
the chromosomes.
- The chromosomes are maximally condensed, very thick, and clearly visible during
metaphase.

(Scientists who want to study chromosomal structure or investigate abnormalities
often photograph chromosomes at this stage.)

What happens during Anaphase? – ANSWER -
- Begins when the spindle fibres contract, splitting the centromere and separating the
identical sister chromatids.
- As the spindle fibres continue to shorten, the chromatids are pulled toward opposite
poles.

What happens during telophase? – ANSWER -
- Once all of the chromatids arrive at the opposite poles, telophase, the final stage
of mitosis, begins.

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