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PSB RN NATURAL SCIENCES EXAM QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED. GRADED A+

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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...

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  • May 10, 2024
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  • 2023/2024
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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 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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