Lecture Vocabs

Question 1

Steps of embryogenesis

Answer 1

Cleavage, gastrulation, oganogenesis

Question 2

Cleavage

Answer 2

many rapid mitotic cell divisions dividing the embryo into many diploid cells

Question 3

Gastrulation

Answer 3

Extensive cell and tissue rearrangement to form structures through different layers.

Question 4

Endoderm

Answer 4

Gut, digestive organs

Question 5

Mesoderm

Answer 5

Muscle, organs

Question 6

Ectoderm

Answer 6

Outer surface, nervous system

Question 7

Organogenesis

Answer 7

Cell populations actually differentiate to form organs such as heart, nervous system, and gut. Occurs before animal hatches or is born.

Question 8

Goal of postembryonic development

Answer 8

Develop sexually mature organisms

Question 9

produce all kinds of cells

Answer 9

totipotent

Question 10

differential gene expression

Answer 10

1. each cell expresses just a subset of genes.

2. each cell type is a manifestation of distinctive set of gene products which make up that cell.

Question 11

Antibodies detect

Answer 11

PROTEINS

Question 12

Nucleic acid detects

Answer 12

NUCLEIC ACID