Answer:
C. They contain sugars, phosphate, and nitrogenous bases
Explanation:
A. is wrong because only RNA is made up of single strands of nucleotides, while DNA is a double-stranded helix.
B. is wrong because DNA and RNA are examples of nucleic acids, not carbohydrates
D. is wrong because only RNA contains uracil, while DNA has thymine instead of uracil.
C. is correct because both DNA and RNA have sugar-phosphate backbones and nitrogenous bases. The difference between RNA and DNA is seen in their names--deoxyribo nucleic acid (DNA) vs. ribo nucleic acid (RNA). Ribose is a type of sugar, the same as found in RNA, while deoxyribose (in DNA) is the same except for not having an oxygen atom on the 2' Carbon (de-oxy = without oxygen).
The Collenchyma, Vascular Tissue, and Sclerenchyma
I believe, from a population that is uniformly distributed through its habitat a biologist can infer that it has reached it's carrying capacity. Population distribution describes how the individuals are distributed, or spread through out their habitat. Population size and population measure are important measures of the population. When the population is uniformly distributed, it means that they are evenly spaced over the area they occupy, thus the individuals compete for a scarce environmental resources, such as water in a desert.
C
Remember that weight is calculated as mass * gravity
Explanation:
Weight is the result of the influence of gravity on the mass of an object. Therefore, differences in gravity will cause an object of the same mass to weight differently on a scale. On the moon, an astronaut would weight 1/3 of their weight on earth. This is because the gravity on the moon is approximately 1/3 that on earth. The influence of gravity is also higher the larger the mass of an object.
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