The brain and nervous system of a developing embryo can only be damaged during the very early stages of development
a. True
b. False
Indicate whether the statement is true or false
False
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Why is partially hydrogenated vegetable oil an unhealthy artificial food product?
What will be an ideal response?
Which of the following statements regarding leaf structure and function is not true?
a. Most photosynthesis takes place in the palisade mesophyll. b. Most stomata are usually found on the upper epidermis rather than the lower. c. The palisade mesophyll is more densely packed than the spongy mesophyll. d. A waxy cuticle covers the epidermis of many leaves. e. The epidermis of many leaves has associated trichomes.
Four of the five answers listed below are
characteristic of sclerenchyma cells. Select the EXCEPTION.
a. sclereid b. found in seed coats c. remain alive after maturity d. gritty texture of pear cells e. used in manufacture of paper, cloth, and rope
In Labrador retrievers, coat color is controlled by gene interaction in which homozygosity for a recessive allele can mask the phenotypic expression of a second gene
This genetic interaction is known as ________ and has a characteristic ________ ratio. Fill in the blank(s) with correct word