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- Question
What are the three parts of the Nucleotide?
- Correct Answer
- Nucleotides are the building blocks of the DNA and RNA used as genetic material Nucleotides also are used for cell signaling and to transport energy throughout cells Both deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) are made up of nucleotides which consist of three parts:: 1 Nitrogenous Base 2 Pentose Sugar 3 Phosphate Group
- 1. At what temperature do pathogenic bacteria grow best in food?
Options- A. 5 to 15 degrees Celsius
- B. 15 to 25 degrees Celsius
- C. 20 to 45 degrees Celsius
- D. 40 to 65 degrees Celsius Discuss
- 2. How many Nucleotides make up a Codon?
Options- A. 3
- B. 4
- C. 5
- D. 6 Discuss
- 3. What provides electrons for the light reactions?
Options- A. Water
- B. Oxygen
- C. Carbon dioxide
- D. Light Discuss
- 4. Human Heart is made up of
Options- A. nervous tissue
- B. cardiac muscle
- C. nonstriated muscle
- D. connective tissue Discuss
- 5. Genes are situated on _________
Options- A. Chromosome
- B. Mitochondria
- C. Plastids
- D. Ribosomes Discuss
- 6. Nucleoli are present during
Options- A. prophase
- B. anaphase
- C. interphase
- D. prometaphase Discuss
- 7. Nitrogen Fixation is carried out primarily by
Options- A. Plants
- B. Humans
- C. Consumers
- D. Bacteria Discuss
- 8. What is the shortest phase of the cell cycle?
Options- A. M
- B. G1
- C. S
- D. G2 Discuss
- 9. Oxygen in our blood is transported by a protein named
Options- A. keratin
- B. myoglobi
- C. collagen
- D. haemoglobin Discuss
- 10. One reason the skeletal system is important is because
Options- A. the skeletal system creates the connective tissue and tendons that allow the body to move
- B. the skeletal system is responsible for controlling functions of the entire body
- C. without the skeletal system, an individual would not have enough calcium to live
- D. the skeletal system is solely responsible for housing the body's immune system Discuss
Biology problems
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Correct Answer: 20 to 45 degrees Celsius
Explanation:
The Bacteria that causes Food Borne illness are called Food Borne Pathogens. Most of the pathogens are mesophilic in nature, optimum temperature may be around 20-45 degree celsius. This range of temperatures is often called the "Danger Zone." Dry foods do not support the growth of bacteria.
In order to kill pathogenic bacteria you need temperatures above 74ºC. Temperature is the easiest factor to control in order to prevent bacterial growth.
Correct Answer: 3
Explanation:
3 Nucleotides make up a Codon.
The nucleotide triplet that encodes an amino acid is called a codon.
Each group of three nucleotides encodes one amino acid.
Correct Answer: Water
Explanation:
Electrons are stripped from water in the light reactions of photosynthesis. Light provides the energy to excite electrons.
ATP and NADPH are both products of the light reactions and are used to power the Calvin cycle.
Correct Answer: cardiac muscle
Correct Answer: Chromosome
Correct Answer: interphase
Explanation:
Nucleoli are present during Interphase.
Chromosomes become visible during Prophase.
Centromeres divide and sister chromatids become full-fledged chromosomes during Anaphase.
Spindle fibers attach to kinetochores during Prometaphase.
Correct Answer: Bacteria
Explanation:
The process by which bacteria convert nitrogen gas (N2) into ammonia (NH3) is called Nitrogen Fixation.
The conversion of nitrogen from one form to another in the nitrogen cycle is carried out primarily by Nitrogen Fixing Bacteria such as Azotobacter.
Correct Answer: M
Explanation:
Longest and shortest phases Of cell cycle:
Shortest Phase - M phase or Mitotic phase.
Longest phase - G1 phase of the Interphase
Longest and shortest phases During Mitosis:
Longest Phase - Prophase
Shortest Phase - Anaphase
Correct Answer: haemoglobin
Explanation:
Oxygen in our blood is transported by a protein named Haemoglobin.
Correct Answer: the skeletal system creates the connective tissue and tendons that allow the body to move
Explanation:
One reason the skeletal system is important is because the skeletal system creates the connective tissue and tendons that allow the body to move.
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