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BIOS 251 WEEK 3 – Questions & Answers (Graded A+) $9.99   Add to cart

Exam (elaborations)

BIOS 251 WEEK 3 – Questions & Answers (Graded A+)

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  • BIOS 251
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  • BIOS 251

BIOS 251 WEEK 3 – Questions & Answers (Graded A+)

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  • September 9, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BIOS 251
  • BIOS 251
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LeCrae
BIOS 251 WEEK 3 – Questions & Answers (Graded A+)

Tight junctions can be found in the urinary bladder.

True
False Right Ans - True

Adherens junctions are composed of a protein plaque, microfilaments and
transmembrane proteins.

True
False Right Ans - True

Like the adherens junctions, desmosomes rely on microfilaments for stability.

True
False Right Ans - False

Hemidesomsomes add resistance to frictional forces.

True
False Right Ans - True

Connexons allow ions and electric impulses to travel from one cell to another.

True
False Right Ans - True

Gap junctions are found in some muscle tissues, but not nervous tissue.

True
False Right Ans - False

All of the following can pass through connexons except:

Electrical impulses
Ions
Small signal molecules
The endoplasmic reticulum Right Ans - The endoplasmic reticulum

, Which of the following protects cells from the movement of harmful
substances, like hydrochloric acid?

tight junctions
gap junctions
adherens junctions
hemidesmosomes Right Ans - tight junctions

Which of the following bind cells to the basement membrane?

tight junctions
gap junctions
adherens junctions
hemidesmosomes Right Ans - hemidesmosomes

Which of the following junctions allows for communication between cells?

tight junctions
gap junctions
adherens junctions
hemidesmosomes Right Ans - gap junctions

A group of cells that have a common origin and function together to perform a
specialized group of activities is called a(n) _______.

organ
organ system
tissue
organism
molecule Right Ans - tissue

This tissue covers body surfaces and lines hollow organs of the body such as
the stomach and bladder.

epithelial tissue
connective tissue
muscular tissue
nervous tissue Right Ans - epithelial tissue

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