Answer:
A
Explanation:
The true statement regarding DNA is A) contains deoxyribose sugar. DNA (deoxyribonucleic acid) consists of two strands of nucleotides joined by hydrogen bonds. Each nucleotide contains nucleobase (adenine, thymine, cytosine, and guanine), a sugar deoxyribose, and a phosphate group
Answer:
D. Fungi are autotrophs
Explanation:
Fungi are autotrophs is a FALSE statement about fungi. Fungi are heterotrophs.
A cell membrane. Cell membranes are phospholipid bilayers (a.k.a 2 layers of phospholipids)
Animal cloning offers great benefits to consumers, farmers, and endangered species: Cloning allows farmers and ranchers to multiply the reproduction of their productivity of livestock in order to produce safe and healthy food for the community. Cloning can be used to protect endangered species. For example, in China, panda cells are being kept on reserve should this species' numbers be threatened by extinction.
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Answer:
Gene mutation:
Gene mutation may be defined as change or alteration in the nucleotide sequence of the gene. DNA replication errors and mutagens are responsible for the gene mutation. A single gene may affected in this mutation. For example: Sickle cell anemia is caused by the replacement of GAG to GUG results in the formation of valine instead of glutamic acid. The shape of RBCs changed from the biconcave to the sickle cell shape.
Chromosome mutation:
Chromosome mutation may be defined as the change or the alteration of chromosome number or structure. Chromosome mutation occurs due to errors during crossing over. The segment of the chromosome may get changed. Large number of genes may get affected. For example: Down syndrome occurs due to the presence of extra chromosome at chromosome 21.
