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- Question
Which of the following statements is not true about metabolism?
Options- A. Younger people generally have a slower metabolism than adults.
- B. Basal metabolism is the amount of energy needed for sustaining life.
- C. Basal metabolism is measured by the amount of calories burned when your body is inactive.
- D. Metabolism is influenced by numerous factors, such as heredity and age.
- Correct Answer
- Younger people generally have a slower metabolism than adults.
ExplanationMetabolism is the set of life-sustaining chemical transformations within the cells of organisms. The three main purposes of metabolism are the conversion of food/fuel to energy to run cellular processes, the conversion of food/fuel to building blocks for proteins, lipids, nucleic acids, and some carbohydrates, and the elimination of nitrogenous wastes.
Younger people have faster metabolism than adults. Hence, the given statement 'Younger people generally have a slower metabolism than adults' is FALSE.
- 1. Air in the pleural cavity is called a pneumothorax.
Options- A. TRUE
- B. FALSE Discuss
- 2. What base is found in RNA but not in DNA?
Options- A. Uracil
- B. Cytosine
- C. Adenine
- D. Guanine Discuss
- 3. What three statements make up the cell theory?
Options- A. All living things are made up of cells.
- B. New cells come frome exisiting cells.
- C. Cells are the basic unit of structure/function in living things.
- D. All of the above Discuss
- 4. Transcription occurs in the
Options- A. DNA
- B. Cytoplasm
- C. Chromosomes
- D. Nucleus Discuss
- 5. Where are chromatids found in a cell?
Options- A. Anaphase
- B. Metaphase
- C. Prophase
- D. None of the above Discuss
- 6. Which best describes Genes?
Options- A. long, double chains of nucleic acids.
- B. long, single chains of amino acids.
- C. long, single chains of nucleic acids.
- D. long, double chains of amino acids. Discuss
- 7. What is the purpose of the sigmoid colon? Discuss
- 8. Which of the following is true of kinetochores?
Options- A. They are the primary centrosome structures that maintain the attachment of the sister chromatids prior to mitosis.
- B. They are the sites at which microtubules attach to chromosomes.
- C. They are located at the center of the centrosome and organize tubulin into spindle fibers.
- D. They cross at the cell's equator and move against each other, causing the cell to elongate. Discuss
- 9. Which one of the following is true of tRNAs?
Options- A. tRNAs are double-stranded.
- B. There are four types of tRNA.
- C. Each tRNA binds a particular amino acid.
- D. All of the above Discuss
- 10. Non-Gonococcal Urethritis is most often caused by
Options- A. chlamydia
- B. gonorrhea
- C. progesterone
- D. herpes genitalis Discuss
Biology problems
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Correct Answer: TRUE
Explanation:
Air or gas can build up in the pleural space and when this happens, it's called a pneumothorax.
Hence the given statement is TRUE.
Correct Answer: Uracil
Correct Answer: All of the above
Explanation:
The three statements make up the cell theory are::
1. All living things are made up of cells.
2. Cells are the basic unit of structure/function in living things.
3. New cells come frome exisiting cells.
These cells can vary widely, but all living things are composed of cells.
Correct Answer: Nucleus
Correct Answer: Metaphase
Explanation:
A chromatid is one copy of a newly copied chromosome which is still joined to the original chromosome by a single centromere.
The two identical copies?each forming one half of the replicated chromosome are called chromatids.
Chromonema is the fibre-like structure in prophase in the primary stage of DNA condensation. In metaphase, they are called chromatids.
Correct Answer: long, double chains of nucleic acids.
Explanation:
Gene is a segment of chromosomal DNA or a sequence of DNA or RNA that codes for a molecule that has a function. It is the basic physical and functional unit of heredity.
As genes are made up of DNA it impies that they are long, double chains of nucleic acids as DNA is made of nucleic acids.
Correct Answer: Sigmoid colon or pelvic colon is a curved, S-shaped portion of the large intestine which is closest to the rectum and anus * It helps to transports fecal matter from the descending colon to the rectum and anus * It is the final segment of the colon
Correct Answer: They are the sites at which microtubules attach to chromosomes.
Explanation:
They are the sites at which microtubules attach to chromosomes.
Correct Answer: Each tRNA binds a particular amino acid.
Explanation:
tRNA abbreviated as A transfer RNA is an adaptor molecule composed of RNA, typically 76 to 90 nucleotides in length, that serves as the physical link between the mRNA and the amino acid sequence of proteins.
Correct Answer: chlamydia
Explanation:
Chlamydial infection is very common in both males and females.
NGU (Non-Gonococcal Urethritis) is an infection of the urethra caused by pathogens (germs) other than gonorrhea.
Several types of germs cause NGU. The most common and serious is chlamydia.
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