PSB RN NATURAL SCIENCES EXAM QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED. GRADED A+
Isogamy
type of sexual reproduction where the gametes are identical in size and structure
Asiogamy
type of sexual reproduction where the gametes are differ in size only
Oogamy
type of sexual reproduction wher...
type of sexual reproduction where the gametes are identical in size and structure
Asiogamy
type of sexual reproduction where the gametes are differ in size only
Oogamy
type of sexual reproduction where the gametes differ in size and shape
Conjugation
the temporary fusion of cells to allow exchange or transmission of DNA or nuclei
Embryogenesis
The process through which an embryo grows and develops into a fetus
Layers of a gastrula
ectoderm - outer layer
endoderm - inner layer
mesoderm - middle layer
What layer of the gastrula develops the nervous system and some sensory
organs?
ectoderm
What does the mesoderm of the gastrula develop?
, musculoskeletal system, muscles of the viscera, mesentaries, and the circulatory
system
What does the endoderm of the gastrula develop?
lungs, liver, pancreas, thyroid, parathyroid, thymus glands, and the lining of the
digestive tract
Allantois
membrane involved in gas exchange to and from developing embryo
Chorion
layer of tissue between mother and developing embryo
Where are chloroplasts mostly found?
mesophyll, tissue in the interior of a leaf
In lower organisms digestion happens...
in food vacuoles or gastrovascular cavity
In humans, how are digested food products distributed?
The circulatory system
Types of proteins
structural and globular
Structural proteins
smaller proteins found in hair, skin, and connective tissues
Globular proteins
larger proteins such as hemoglobin, enzymes, and antibodies
Monosaccharides
simple sugars such as glucose and fructose
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