Bio

Question 1

Cell Theory:

Answer 1

All living things are composed of cells.
Cells are the basic units of structure and function in living organisms.
All cells come from pre-existing cells.

Question 2

Eukaryotic vs. Prokaryotic Cells:

Answer 2

Eukaryotic: Has a nucleus and membrane-bound organelles.
Prokaryotic: Lacks a nucleus and membrane-bound organelles.

Question 3

Differences Between Animal and Plant Cells:

Answer 3

Animal Cells: No cell wall or chloroplasts.
Plant Cells: Have a cell wall and chloroplasts.

Question 4

DNA Structure and Related Terms:

Answer 4

DNA contains genes.
Genes code for proteins.
Proteins are essential for cell functions.

Question 5

Base Pairing in DNA:

Answer 5

Adenine (A) pairs with Thymine (T).
Cytosine (C) pairs with Guanine (G).

Question 6

Karyotype and Genetic Disorders:

Answer 6

A karyotype shows the number and appearance of chromosomes.
Helps identify genetic disorders (e.g., Down syndrome).

Question 7

Cell Division:

Answer 7

Cells divide for growth, repair, and reproduction.

Question 8

Mitosis Stages:

Answer 8

Prophase, Metaphase, Anaphase, Telophase.
Major events at each stage.

Question 9

Cytokinesis:

Answer 9

Division of the cell cytoplasm.
Plant and animal cells differ in the process.

Question 10

Cell Cycle:

Answer 10

G1, S, G2, M phases.

Question 11

Cell Specialization:

Answer 11

Cells develop specific functions in multicellular organisms.

Question 12

Tissues in Plants:

Answer 12

Vascular, Ground, Dermal.
Each has a specific function.

Question 13

Human Tissues:

Answer 13

Epithelial, Muscle, Nervous, Connective.
Examples and functions of each.

Question 14

Stem Cells:

Answer 14

Undifferentiated cells with the potential to become various cell types.

Question 15

Diagnostic Imaging Techniques:

Answer 15

X-rays, CT/CAT scans, Ultrasounds, MRI.

Question 16

Human Organ Systems:

Answer 16

Cardiovascular, Respiratory, Digestive, Nervous, Endocrine, Muscular, Skeletal, Integumentary, Immune, Excretory, Reproductive.