Answer:
gametes
Explanation:
Genes
Traits are inherited from parents in the form of allele carried by genes which leads to the expression of certain physical attributes in a human race. A genetic characteristics is expressed only when it gets contribution from both the parents which means half of the chromosomes carrying genetic material is contributed by mother while rest half of chromosomes are contributed by father.
b.homo habilis
c.australopithecines
d.homo erectus
B.It explains the absence of transition in fossils.
C.It portrays evolutionary change as a smooth curve.
Answer:
C) Chloroplasts
Explanation:
Chloroplasts are the organelle of photosynthesis. They capture light energy from the sun and use it with water and carbon dioxide to make food (sugar) for the plant.
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Answer:
c
Explanation:
There are various types of plant cells which include: parenchyma cells, sclerenchyma cells, collenchyma cells, xylem cells, and phloem cells. Parenchyma cells are the major cells of plants.
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Tissues arranged together make up organs, which, when functioning together in groups, make up organ systems.
Tissues when arranged together form organs, and these organs functioning together in groups make up organ systems. Each organ system has a specific function in the body.
In the field of Biology, tissues arranged together make up what is known as organs. These organs, when they function together in groups, create various organ systems. For instance, the heart and blood vessels make up the circulatory system. Each organ within the system has a specific function, but they all work together to allow the system to fulfill a larger role within the body.
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Answer:
See the answer below
Explanation:
In double-stranded DNA, the ratio of purine bases (Adenine and Guanine) and that of pyrimidine bases (Thymine and Cytosine) is 1:1 according to Chargaff's rule. This means that the percentage of Adenine must be equal to that of Guanine while that of Thymine must also be equal to Cytosine.
However, in the case of the newly isolated viral strain, the amount of Adenine (25%) and Guanine (55%) vary while that of Thymine (10%) and Cytosine (20%) also vary. This is in contrast to Chargaff's rule. Hence, the isolated virus is a single-stranded DNA virus instead of a double-stranded.