DNA and RNA differ in their structure and function. DNA contains deoxyribose sugar and thymine, while RNA contains ribose sugar and uracil. RNA transmits genetic information from DNA to proteins.
The key differences between RNA and DNA are found in their structure and function. DNA (Deoxyribonucleic Acid) contains deoxyribose sugar, has thymine as a base (along with adenine, guanine, and cytosine), is double-stranded and primarily functions as the storage material for genetic information.
On the other hand, RNA (Ribonucleic Acid) has ribose sugar, contain uracil instead of thymine (the other bases are adenine, guanine, and cytosine), is single-stranded, and serves as the intermediary in the process of converting genetic information from DNA into proteins. Thus, the correct answer is: C. RNA contains uracil and ribose.
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b. It makes water nonrenewable.
c. It contaminates current supplies.
d. It may lead to drought.
Precipitation can lead to limited water availability because it can lead to drought?
Reduced precipitation can lead to limited water availability by causing drought conditions. When there is less rainfall, water sources such as rivers, lakes, and reservoirs receive less replenishment, leading to lower water levels. This can result in a decrease in the quantity of water available for human consumption, agriculture, and other purposes. Droughts can have significant impacts on water supplies, causing shortages and increasing competition for limited resources. It is important to note that while reduced precipitation is a contributing factor to limited water availability, other factors like population growth, inefficient water management, and environmental changes can also play a role.
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B. Carbon Cycle
C. Nitrogen Cycle
D. Water Cycle
Answer:
The correct answer would be :
b. Microbes can be blocked from accessing favorable growth environments.
d. Microbial life can be destroyed by heat.
e. Microorganisms can be present in nonliving matter, such as air, liquids, and solids.
g. Pasteur's observations support the theory of biogenesis.
Explanation:
Pasteur's experiment with s-shaped neck flasks indicated that organisms can't emerge from nonliving materials under the conditions that existed on Earth during his lifetime.
It helps in testing the role of airborne contaminants in producing microbes in the nonliving matter by the biogenesis theory. His experiment showed and supports that heat can kill or destroy microbial life.
Thus, the correct answer would be - b., d, e., and g.
Pasteur's experiments using S-shaped neck flasks led to several conclusions: microorganisms can be blocked from accessing favorable growth environments, microbial life can be destroyed by heat, microorganisms can be present in nonliving matter, and Pasteur's observations support the theory of biogenesis.
Pasteur's experiments using S-shaped neck flasks led to several conclusions:
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Animals that live in taiga biomes had to adapt to seasonal changes, by changing their fur or feather color. For example, snowshoe rabbit and arctic fox live in taiga and their fur color changes with environmental conditions. To effectively camouflage, their fur is white during the winter. That helps them blend into the snow. In the summer, where there is no snow, their fur is brown and similar to the soil color. This way they evade predators because it is more difficult for their predators to spot them.
Answer:
A) Climate
The arctic fox and snowshoe rabbit have made species adaptations over time that help them to survive. For example, both creatures have fur that turns white in winter. They also have fur on the pads of their feet. These are both examples of their adaptations to Climate