Answer: it's B
I love this stuff.
Explanation:
The protein found in hair and nails is known as keratin (option b).
The protein known as keratin is a widely abundant protein present in different tissue including for example hair, nails, and the epidermis, which is the most superficial layer of the skin in the human body that protect us against biological and physical threats.
Therefore, with this data, we can see that the protein known as keratin is abundant in the human body and it is present in different tissues including hair and also nails.
Learn more about keratin here:
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False
different alleles.
B. Plants can grow to a wide range of
heights.
C. Humans either have attached
earlobes or detached earlobes.
D. Human body mass is controlled by
many genes.
The Mendelian trait are those controlled at only single gene locus. The Mendelian trait have two alleles (one form each parent), out of which one allele is dominant while the other is recessive. The dominant allele will express in both homozygous and heterozygous conditions while the recessive allele will express itself only in homozygous condition. An example of the human Mendelian trait is the attached or detached earlobes. A human will either have attached earlobe or detached earlobe.
Hence, the correct answer is 'Option C - humans either have attached earlobes or detached earlobes'.
b. ammonites
c. foraminifera
d. stromatolites
Answer:
The answer is B. Ammonites Hope this helps!