Which of the following describes why Mendel used the pea plant to study inheritance?
a. The pea plant grows quickly, so he was able to see results faster than with the other organisms he had studied.
b. The monastery where he lived prevented him from studying inheritance in animals.
c. The plant naturally self-fertilizes, which results in “true-breeding” individuals.
d. Flower petal color is the only characteristic that can change from generation to generation, making it simple to study.
c. The plant naturally self-fertilizes, which results in “true-breeding” individuals.
Mendel settled on studying the pea plant because the plant naturally self-fertilizes, which results in “true-breeding” individuals. This means that the plants only have offspring that look like the parents, eliminating any recessive alleles that might not appear as phenotypes.
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Which of the following statements is TRUE of highly repetitive sequences?
A. They play a vital role in transcription. B. They play a vital role in translation. C. They can be found millions of times throughout the genome. D. They always benefit the organism. E. They tend to occur at low frequencies.
The cells wall of bacteria Z contains high concentrations of phospholipids along with proteins and relatively low amounts of lipopolysaccharide. When bacteria Z is gram stained, it will most like be colored?
A. Purple B. Pink C. Blue D. Clear, it does not retain any stain Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about gram staining? How does it relate to the question? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The chemical structure of chlorophyll is based on a complex organic ring structure, a long
hydrophobic side chain and an atom of _________ in the center of the ring.
a. carbon b. manganese c. magnesium d. iron e. nitrogen
What causes water molecules to form hydrogen bonds with each other?
What will be an ideal response?