Question

Please discuss cellular growth and development What is your understanding of tissue classification

Answer 1

#.Cellular growth and development :-

Cell Cycle

An ordered sequence of events in the life of a cell

Steps :-

Mitosis

A process of nuclear division in eukaryotic cells conventionally divided into five stages: prophase, prometaphase, metaphase, anaphase, and telophase. Mitosis conserves chromosome number by allocating replicated chromosomes equally to each of the daughter nuclei.

Four stages of cell cycle :-

Prophase

Metaphase

Anaphase

Telophase

Prophase

The first stage of mitosis, chromosomes become visible when stained a viewed under a microscope; Miotic spindle begins to form

Metaphase

The 2nd stage of mitosis, in which the spindle is complete and the chromosomes, attached to microtubules at their kinetochores, are all aligned at the metaphase plate.

Anaphase

The 3rd stage of mitosis, in which the chromatids of each chromosome have separated and the daughter chromosomes are moving to the poles of the cell.

Telophase

The 4th and final stage of mitosis, in which daughter nuclei are forming and cytokinesis has typically begun.

Cytokinesis

The division of the cytoplasm to form two separate daughter cells immediately after mitosis, meiosis I, or meiosis II.

Cell Division

Process by which a cell divides into two new daughter cells

#. Tissues are groups of cells that have a similar structure and act together to perform a specific function. There are four different types of tissues in animals: connective, muscle, nervous, and epithelial

- Epithelial Tissue

Tissue composed of layers of closely spaced cells that cover organ surfaces, form glands, and serve for protection, secretion, and absorption.

- Connective Tissue

Tissue with more matrix than cell volume, often specialized to support, bind together, and protect organs.

- Nervous Tissue

Tissue containing excitable cells specialized for rapid transmission of coded information to other cells

- Muscular Tissue

Tissue composed of elongated, excitable cells specialized for contraction.