B. The tick is a vector. Vectors are like vehicles that carry genetic material. The tick is carrying the genetic material of lyme disease to the animal.
I believe that the answer is B. a fertilized egg splits in two but I could be wrong
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➷ 1) Respiration
Protein synthesis
2) Cytoplasm
3) A dominant trait only requires one allele for it to produce a dominant phenotype. However, a recessive trait requires two alleles (one from each parent) to produce a recessive phenotype.
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Answer:
(A) two
Explanation:
A heterodimeric protein consists of two polypeptides (a polypeptide is a chain of amino acids) that differ in amino acid composition, number or order in the chain sequence. Each polypeptide makes a different subunit of the protein.
One gene encodes one polypeptide, so if the protein has two different polypeptides, two genes are required to form this protein.
Batteries, biomass, petroleum, natural gas, and coal areexamples of stored chemical energy.
