1. Introduction to Biology

2. Chemistry

3. Water

4. Biomolecules

5. Cell Components

6. The Membrane

7. Energy and Metabolism

8. Respiration

9. Photosynthesis

10. Cell Signaling

11. Cell Division

12. Meiosis

13. Mendelian Genetics

14. DNA Synthesis

15. Gene Expression

16. Regulation of Expression

17. Viruses

18. Biotechnology

19. Genomics

20. Development

21. Evolution by Natural Selection

22. Evolution of Populations

23. Speciation

24. History of Life on Earth

25. Phylogeny

26. Prokaryotes

27. Protists

28. Plants

29. Fungi

30. Overview of Animals

31. Invertebrates

32. Vertebrates

33. Plant Anatomy

34. Vascular Plant Transport

35. Soil

36. Plant Reproduction

37. Plant Sensation and Response

38. Animal Form and Function

39. Digestive System

40. Circulatory System

41. Immune System

42. Osmoregulation and Excretion

43. Endocrine System

44. Animal Reproduction

45. Nervous System

46. Sensory Systems

47. Muscle Systems

48. Ecology

49. Animal Behavior

50. Population Ecology

51. Community Ecology

52. Ecosystems

53. Conservation Biology

[BOOK BIO] CLUTCH

Which of the following are only in plant cells and not in animal cells?

Animation: Cell Junctions

The intestinal cells are fused together into one giant cell.

No. Intestinal epithelium is a tissue; therefore, it contains multiple cells of at least two different types working together in a common function.

The intestinal cells are bound together by plasmodesmata.

No. Plasmodesmata are specific to plant cells.

The intestinal cells are bound together by gap junctions.

No. Gap junctions are cytoplasmic connections between adjacent animal cells that allow small solutes to pass from cell to cell.

The intestinal cells are bound together by the extracellular matrix.

No. The extracellular matrix of animal cells does not glue adjacent cells together.

The intestinal cells are bound together by tight junctions.

Think about the types of structures that would fuse adjacent cells together.

Your intestine is lined with individual cells. No fluids leak between these cells from the gut into your body. Why?

Ions can travel directly from the cytoplasm of one animal cell to the cytoplasm of an adjacent cell through:

Cell Connections - How Are Cells Connected - What Are Cell Junctions - Types Of Cell Connections

No. Tight junctions do not connect the cytoplasm of adjacent cells. Also, this type of junction does not occur in plants.

No. Although microtubules are hollow, they are a component of the cytoskeleton and do not connect the cytoplasm of adjacent cells.

No. The cell wall is an extracellular structure and does not connect the cytoplasm of adjacent cells.

No. Gap junctions do not occur in plants; however, when present in animal cells, they do form cytoplasmic channels between adjacent cells.

Consider which of these intercellular junctions is unique to plant cells.

Dye injected into a plant cell might be able to enter an adjacent cell through __________.

Cell Junctions

Tight junctions, Gap junctions, Adherens junctions, Desmosomes and Hemidesmosomes

Cell Junctions | Cells | MCAT | Khan Academy

No. The ECM of most animal cells contains collagen fibers, but collagen is not a component of plant cell walls.

Both are composed primarily of carbohydrates.

No. The ECM of animal cells is primarily glycoproteins&#8212;proteins with small carbohydrates attached.

Both are permeable to water and small solutes, and both contain large amounts of collagen.

No. Although both are permeable to water and small solutes, plant cells walls do not contain collagen.

Both are permeable to water and small solutes, both contain large amounts of collagen, and both are composed primarily of carbohydrates.

No. Plant cell walls do not contain collagen, and the ECM of animal cells consists primarily of glycoproteins&#8212;proteins with small carbohydrates attached.

Both are permeable to water and small solutes.

Consider the composition, function, and synthesis of these structures.

Which of the following statements correctly describes a common characteristic of a plant cell wall and an animal cell extracellular matrix?

Type of Cell Junctions - Tight and Adherens Junctions

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