____ Contain Identical DNA Sequences and Are Held Together by ____

question 6

Multiple Choice

____ contain identical DNA sequences and are held together by ____ during mitosis.

• A) Daughter chromosomes; hydrogen bonding
• B) Daughter chromosomes; ionic bonding
• C) Sister chromatids; spindle fibers
• D) Sister chromosomes; histone proteins
• E) Sister chromatids; cohesin proteins

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Definitions:

Stromatolites

Layered structures produced by the growth of microorganisms, often found in fossil form, and are among the oldest evidence of life on Earth.

Microbial Biofilms

Complex aggregations of microorganisms growing on a surface, encased in a protective and adhesive matrix they secrete, contributing to their survival in various environments.

Dinoflagellates

A group of single-celled, often photosynthetic organisms, found in marine and freshwater environments, known for their role in algal blooms and red tides.

Obligate Anaerobes

are organisms that can only survive in environments without oxygen because oxygen is toxic to their metabolic processes.