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zhenek [66]
3 years ago
8

Unlike green algae which can only live in water, a waxy covering over the epithelial cells of plants, called the ________ help(s

) them retain water and gave them the adaptation needed for terrestrial life.
Biology
1 answer:
Pavel [41]3 years ago
7 0

Answer:

Cuticle

Explanation:

Plant cuticle is a waxy covering over the aerial epidermal cells of all the plants. Waxes are composed of cutin and a various organic solvent-soluble lipids. The cuticle is an extracellular hydrophobic layer which provides protection against desiccation and external environmental stresses.  In other words the cucticle helps to retain water and give plants an adavanthe to live  terrestrial life.

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Alcoholic fermentation:___________
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3 0
1 year ago
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skad [1K]

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5 0
3 years ago
Read 2 more answers
A woman produces an egg with 24 chromosomes, including 2 copies of chromosome 21. If the egg is fertilized by a normal sperm, th
Zielflug [23.3K]

Answer:

47

Explanation:

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But, this is a case of non dis-junction. Also, in a normal sperm there are no such copies of any chromosome i.e. there is a haploid set of chromosomes. It means that sperm must be having only 23 chromosomes. So we can easily infer that when the egg cell and sperm will fuse, the zygote will have 47 chromosomes (24 from egg cell and 23 from sperm).  

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