Last ones on the test--
37. Hyphae
a. increase the surface area-to-volume ratio of the fungus
b. have slender filaments
c. allow for efficient uptake of nutrients
d. all of the above
D?
38. In which process do tRNA molecules attach amino acids to the growing chain according to the codons?
a. transcription
b. replication
c. translation
d. transformation
C?
11. Solar energy can be trapped in the atmosphere by
a. the chemical bonds of carbon dioxide
b. the chemical bonds of ozone
c. radiation
d. sunlight
Not sure…B?
33. In addition to causing disease, protests also affect humans through
a. their role in the nitrogen cycle
b. their antibiotic properties
c. their ability to clean up oil spills
d. all of the above
A?
Thanks
-MC
37. The question is asking about hyphae, which are slender filaments that make up the bodies of fungi. To determine the correct answer, we need to understand the characteristics and functions of hyphae.
a. Increasing the surface area-to-volume ratio of the fungus: Hyphae have a high surface area-to-volume ratio, which allows for more efficient nutrient absorption. Fungi rely on hyphae to extract nutrients from their environment, so this statement is true.
b. Having slender filaments: Hyphae are indeed slender filaments that make up the body of the fungus, providing a large surface area for nutrient absorption and growth.
c. Allowing for efficient uptake of nutrients: As mentioned earlier, hyphae play a vital role in nutrient uptake. They extend into the environment, absorbing nutrients through their cell walls. Therefore, this statement is also true.
d. Putting it all together, "all of the above" accurately describes the characteristics and functions of hyphae—increasing surface area-to-volume ratio, slender filaments, and efficient nutrient uptake. So, the correct answer is indeed d.
38. The question is asking about the process in which tRNA molecules attach amino acids to the growing chain based on codons. To find the correct answer, we need to understand the different processes involved in gene expression.
a. Transcription: This process involves the synthesis of RNA molecules from DNA templates and does not directly involve attaching amino acids to a growing chain. Therefore, transcription is not the correct answer.
b. Replication: Replication pertains to the process of DNA duplication and does not involve the attachment of amino acids to a growing chain. Hence, it is not the correct answer.
c. Translation: This process involves the conversion of the information contained in mRNA molecules into a sequence of amino acids, which builds the growing protein chain. Accordingly, translation is the correct answer.
d. Transformation: Transformation is a process in which a cell takes up and incorporates exogenous genetic material. It is not related to the attachment of amino acids to a growing chain. Therefore, it is not the correct answer.
From the explanations above, we can determine that the correct answer to question 38 is indeed c.
11. The question is asking about how solar energy can be trapped in the atmosphere. Let's review the options to find the correct answer:
a. The chemical bonds of carbon dioxide: While carbon dioxide does contribute to the greenhouse effect and traps some solar energy, it is not the primary means by which solar energy is trapped in the atmosphere. Therefore, this option is not the correct answer.
b. The chemical bonds of ozone: Ozone plays a crucial role in absorbing and filtering harmful ultraviolet radiation from the sun. However, it does not directly trap solar energy in the atmosphere. Hence, this option is not the correct answer.
c. Radiation: This option is quite vague without further context. Radiation is a broad term that encompasses various types of energy emission, including solar radiation. However, without additional information, we cannot determine if it specifically addresses the trapping of solar energy in the atmosphere. Therefore, this option is inconclusive.
d. Sunlight: Sunlight refers to the visible light emitted by the sun. While sunlight is an essential component of solar energy, it does not accurately describe how solar energy is trapped in the Earth's atmosphere. Thus, this option is not the correct answer.
Given the options and their explanations, it is unclear which choice is the correct answer to question 11. More context or information is needed to provide an accurate response.
33. The question is asking about the various ways that protests affect humans, in addition to causing diseases. To find the correct answer, we need to consider the different roles and impacts of protests.
a. Their role in the nitrogen cycle: While protests may have various impacts, such as affecting pollutant emissions, it is unlikely that they directly play a role in the nitrogen cycle. Therefore, this option is not the correct answer.
b. Their antibiotic properties: Protests, as a social or political phenomenon, do not possess antibiotic properties. Antibiotics are substances that inhibit the growth or destroy bacteria or other microorganisms. Hence, this option is not the correct answer.
c. Their ability to clean up oil spills: Protests usually do not possess the ability to clean up oil spills directly. Cleaning up oil spills typically requires specialized equipment and techniques. Therefore, this option is not the correct answer.
d. "All of the above": Since options a, b, and c were all determined to be incorrect, it is not possible to select "all of the above" as the correct answer. Thus, option d is not the correct answer.
From the explanations provided, we cannot determine the correct answer to question 33. The question may require further context or clarification to provide an accurate response.