Answer:
cc × cc
Explanation:
This question involves a single gene coding for plant seedling. The green allele (C) is dominant over the white allele (c). This means that the green allele will mask the phenotypic expression of the white allele in a heterozygous state (Cc).
In this experiment where plate 1 only contained white seedlings instead of all green, this illustrates that all the offsprings were recessive. This is because the parental genotypes were both recessive for the color trait i.e. cc.
Note that, the recessive trait can only be expressed when the recessive alleles are present in a gene. Therefore, the parental genotype would have been cc × cc, in order to give rise to all offsprings with the recessive trait (white colour).
Answer:
<em>Heat</em> is <u><em>a form of energy which gives the sensation of warmth.</em></u>
Explanation:
The <em>SI unit</em> of <em>heat</em> is <u><em>Joule.</em></u>
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Answer:
projections that help them move
Explanation:
Euglena and paramecium both belong to the Kingdom Protista. They are very minute single cellular organisms but have many differences among them. Paramecium is more similar to animals in many of its characteristics while Euglena is more similar to plants in its characteristics. This is because Euglena just like plants can make their own foods through chloroplast while paramecium just like animals cannot make own food.
However what is common in both of these are projections that help them move
. Paramecium have projections called cilia around the whole body while Euglena has a whip like flagella which helps it to move.
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Answer:
c
Explanation:
The correct answer would be that the nervous system transmits feelings of hunger to the brain, which initiates eating.
<em>The human stomach and intestinal tracts consist of receptors that are able to sense the presence or absence of nutrients and send messages to the brain accordingly. If there are adequate nutrients in the stomach and the intestinal tracts, the receptors send a message to the brain and the hormone that makes humans feel fullness in their stomach is released into the blood. Once the available nutrient is low, the receptors send a message to the brain which in turn releases hormones into the blood that makes humans feel the sensation of hunger. </em>
The correct option is c.
Animal cells don't have mitochondria and have smaller vacuoles than plant cells <span />
