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    These organisms live in oxygen-poor environments and may produce energy through fermentation. Other organisms may live in dark environments, such as in caves or deep underground. Many organisms reproduce asexually by budding or self-fertilization,...

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    In binomial nomenclature, species is the most specific designation. This system enables the same name to be used globally so that scientists can communicate with one another. Genus and species are just two of the categories in biological...

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    A: Bacterial cells do not contain mitochondria. Bacteria are prokaryotes composed of single cells; their cell walls contain peptidoglycans, and the functions normally performed in the mitochondria are performed in the cell membrane of the bacterial cell. DNA is the nucleic acid that holds the genetic information of the organism. It is shaped as a double helix. A vesicle is a small cavity containing fluid. A ribosome is a tiny particle composed of RNA and protein in which polypeptides are constructed. Last Updated: May 31, Search for:.

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    Take our test to find out! Could you pass the first year of a biology degree? So, if you know your amino acids from your absorption or can recite the stages of the Calvin cycle in your sleep, you might be able to prove that you could pass those tricky biology exams. And the results are in! How did you do? So, how did the nation compare to the brains of biology students across the UK? Did they pass with flying colours or lack a bit of the grey matter upstairs? Surprisingly, participants did best on questions about the endocrine system and lysozyme, an enzyme found in the blood.

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    Proving that wisdom does come with age, the group that did the best was the over 65s, followed by year olds, with year olds coming in third. Age group.

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    Answer: It is the pollination by wind. Answer: The transference of pollen grain from the another of a flower to the stigma is known as pollination. Answer: Clinostat is an apparatus used to demonstrate photoperiodism. Answer: Transpiration. Answer: Heterophylly. Answer: Japan. Answer: Guttation. Answer: Stomata. Answer: Heliophytes are plants that grow in full sunlight, Sciophytes are plants that grow in shade. Answer: 1. Drosera, 2. Dionaea, 3. Aldrovanda, 4. Answer: yellow. Answer: Ribbon shaped. Answer: Gnetum. Answer: Chloroplast. Leucoplasts, 2. Chloroplasts, 3. Answer: Sleep movement. Answer: The modification of stem to carry the function of leaf is called cladode. Example: Opuntia. Answer: Stamens. Answer: Clinostat. Answer: Whiplash, Tinsel.

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    Nonpermeable d. None of the above. A cell membrane is a thin layer of molecules that surrounds the cell. Its function is to allow certain materials to enter the cell, yet, keep harmful materials out. In order to do this, the cell controls which substances can enter the cell through the membrane. The cell membrane is selectively permeable or semipermeable , which means that certain molecules, such as oxygen and water, are permitted to enter the cell.

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    Molecules that are not recognized as helpful are not able to pass through the membrane. Incorrect answer. Please choose another answer. A cell uses which of the following to accelerate chemical reactions enabling its metabolic machinery to operate? Centrasome c. Golgi apparatus d. Enzymes Enzymes are catalysts, chemicals that speed up chemical reactions. The conditions inside most cells do not allow reactions to proceed quickly enough to support life.

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    For example, temperatures inside organisms are not hot enough for chemical reactions to take place quickly. Enzymes increase the rates of biological chemical reactions. Which of the following is not part of the metabolic sequence? Photosynthesis c. Hydoplasm d. Digestion Inside cells, sequences of chemical reactions take place to support life. These sequences are known as metabolic pathways. Photosynthesis, respiration, and digestion are all examples of metabolic pathways, or sequences. Photosynthesis is the metabolic pathway that produces oxygen and glucose in organisms with chlorophyll. Respiration breaks down molecules called ATP for cells to use as energy. Digestion breaks down food to be used to make energy in the form of ATP. Hydroplasm is not a known metabolic sequence. Which of the following are NOT organelles found in animal cells? Nucleus and golgi apparatus b. Cellular membrane and cytoplasm c. Mitochondria and ribosomes d.

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    Chloroplast and central vacuole Chloroplasts and central vacuole are important organelles in plant cells. Chloroplasts contain chlorophyll and are the site of photosynthesis. Central vacuoles are used to store water in plant cells. All the other organelles listed are important to the function of animal cells and plant cells. Light initiates different types of cellular reactions. Which of the following responses to light converts the energy from light into a gain of potential energy? Phototaxis c. Photosynthesis d. All of the above Photosynthesis is the process plant cells use to convert oxygen, water and sunlight into a usable form of energy. The product of photosynthesis is glucose sugar molecules. Glucose molecules are a form of potential energy that can be broken down by an organism to produce energy in the form of ATP molecules.

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    Gene c. Protein d. Nucleus A gene is the basic unit of heredity. Genes are made of DNA sequences and act as instructions for making proteins although not all genes make proteins. Genes are found on chromosomes. Double c. Quadruple d. The DNA molecule looks like a twisted ladder and is referred to as a double helix. Each nucleotide contains a sugar molecule and a phosphate group, along with a nitrogen base.

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    Genes are located within the cytoplasm of the cell. Hydrochloric acid c. Ribonucleic acid d. In the ribosome, the information coded onto messenger RNA is used to make proteins. When sexual reproduction occurs in multicellular organisms, a process takes place before cells fuse whereby a cell is left with half of its chromosomes, enabling the creation of a cell with a characteristic chromosome number.

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    What is this process called? Osmosis c. Anabolism d. Differentiation During meiosis, gametes sex cells are formed by reducing the number of chromosomes found in somatic body cells by one half. This occurs so that when two gametes, one from each parent, fuse together, the embryo will contain the correct number of chromosomes.

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    Without meiosis, offspring cells would contain double the number of chromosomes of normal adults and they would not be viable. Which of the following represents the largest group of biological classification? Kingdom c. Class d. Genus Biology uses a system of classification to group organisms together based on their characteristics. The levels of classification, from largest most inclusive to smallest most specific , include domain, kingdom, phylum, class, order, family, genus, species.

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    There are two types of cells, eukaryotic and prokaryotic. Which of the following cellular structures are found in both types of cell? Prokaryotic cells are found in bacteria and their structure is much more simple than eukaryotic cells. Prokaryotic cells have a few simple cellular structures such as a nucleoid region, ribosomes, and a plasma membrane. Eukaryotic cells have more highly developed cellular structures including organelles that support the function of the cell. Golgi apparatus and mitochondria are found in eukaryotic cells. Chloroplasts are found in eukaryotic cells that contain chlorophyll, such as plants.

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    What it is the name given to specialized structures within cells responsible for carrying out specific functions such as providing energy and producing hormones? Mitiosis c. Archaeans d. Organelles Organelles are specialized structures in cells that support the cellular functions. For example, mitochondria are organelles that synthesize energy; ribosomes synthesize protein; chloroplasts convert sunlight, carbon dioxide and water into oxygen and sugar. Internal complexity c. Size d. Ecological relationships Unicellular organisms are very small compared to most multicellular organisms. If they were as large as a multicellular organism, their surface area to volume ratio would be too low to support life. Staying small gives unicellular organisms a high surface area to volume ratio. Larger cells have less surface area compared to their volume. Molecules move into the cell, out of the cell and through the cell slowly through the cell membrane.

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    Having a large surface area provides more space for molecules to diffuse across the cell membrane and less of a distance to travel inside the cell to supply organelles with materials needed for metabolism. How many chromosomes does an individual human person have?

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    Nonpermeable d. None of the above. A cell membrane is a thin layer of molecules that surrounds the cell. Its function is to allow certain materials to enter the cell, yet, keep harmful materials out. In order to do this, the cell controls which substances can enter the cell through the membrane. The cell membrane is selectively permeable or semipermeable , which means that certain molecules, such as oxygen and water, are permitted to enter the cell.

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    Molecules that are not recognized as helpful are not able to pass through the membrane. Incorrect answer. Please choose another answer. A cell uses which of the following to accelerate chemical reactions enabling its metabolic machinery to operate? Centrasome c. Golgi apparatus d. Enzymes Enzymes are catalysts, chemicals that speed up chemical reactions. The conditions inside most cells do not allow reactions to proceed quickly enough to support life. For example, temperatures inside organisms are not hot enough for chemical reactions to take place quickly. Enzymes increase the rates of biological chemical reactions. Which of the following is not part of the metabolic sequence? Photosynthesis c. Hydoplasm d. Digestion Inside cells, sequences of chemical reactions take place to support life. These sequences are known as metabolic pathways. Photosynthesis, respiration, and digestion are all examples of metabolic pathways, or sequences. Photosynthesis is the metabolic pathway that produces oxygen and glucose in organisms with chlorophyll.

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    Respiration breaks down molecules called ATP for cells to use as energy. Digestion breaks down food to be used to make energy in the form of ATP. Hydroplasm is not a known metabolic sequence. Which of the following are NOT organelles found in animal cells? Nucleus and golgi apparatus b. Cellular membrane and cytoplasm c. Mitochondria and ribosomes d. Chloroplast and central vacuole Chloroplasts and central vacuole are important organelles in plant cells. Chloroplasts contain chlorophyll and are the site of photosynthesis. Central vacuoles are used to store water in plant cells. All the other organelles listed are important to the function of animal cells and plant cells. Light initiates different types of cellular reactions. Which of the following responses to light converts the energy from light into a gain of potential energy?

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    Phototaxis c. Photosynthesis d. All of the above Photosynthesis is the process plant cells use to convert oxygen, water and sunlight into a usable form of energy. The product of photosynthesis is glucose sugar molecules. Glucose molecules are a form of potential energy that can be broken down by an organism to produce energy in the form of ATP molecules. Gene c. Protein d. Nucleus A gene is the basic unit of heredity. Genes are made of DNA sequences and act as instructions for making proteins although not all genes make proteins. Genes are found on chromosomes. Double c. Quadruple d. The DNA molecule looks like a twisted ladder and is referred to as a double helix. Each nucleotide contains a sugar molecule and a phosphate group, along with a nitrogen base. Genes are located within the cytoplasm of the cell. Hydrochloric acid c. Ribonucleic acid d. In the ribosome, the information coded onto messenger RNA is used to make proteins.

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    When sexual reproduction occurs in multicellular organisms, a process takes place before cells fuse whereby a cell is left with half of its chromosomes, enabling the creation of a cell with a characteristic chromosome number. What is this process called? Osmosis c. Anabolism d. Differentiation During meiosis, gametes sex cells are formed by reducing the number of chromosomes found in somatic body cells by one half. This occurs so that when two gametes, one from each parent, fuse together, the embryo will contain the correct number of chromosomes.

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    Without meiosis, offspring cells would contain double the number of chromosomes of normal adults and they would not be viable. Which of the following represents the largest group of biological classification? Kingdom c. Class d. Genus Biology uses a system of classification to group organisms together based on their characteristics. The levels of classification, from largest most inclusive to smallest most specific , include domain, kingdom, phylum, class, order, family, genus, species. There are two types of cells, eukaryotic and prokaryotic. Which of the following cellular structures are found in both types of cell? Prokaryotic cells are found in bacteria and their structure is much more simple than eukaryotic cells. Prokaryotic cells have a few simple cellular structures such as a nucleoid region, ribosomes, and a plasma membrane. Eukaryotic cells have more highly developed cellular structures including organelles that support the function of the cell.

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    Golgi apparatus and mitochondria are found in eukaryotic cells. Chloroplasts are found in eukaryotic cells that contain chlorophyll, such as plants. What it is the name given to specialized structures within cells responsible for carrying out specific functions such as providing energy and producing hormones? Mitiosis c. Archaeans d. Organelles Organelles are specialized structures in cells that support the cellular functions. For example, mitochondria are organelles that synthesize energy; ribosomes synthesize protein; chloroplasts convert sunlight, carbon dioxide and water into oxygen and sugar.

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    Internal complexity c. Size d. Ecological relationships Unicellular organisms are very small compared to most multicellular organisms. If they were as large as a multicellular organism, their surface area to volume ratio would be too low to support life. Staying small gives unicellular organisms a high surface area to volume ratio. Larger cells have less surface area compared to their volume. Molecules move into the cell, out of the cell and through the cell slowly through the cell membrane. Having a large surface area provides more space for molecules to diffuse across the cell membrane and less of a distance to travel inside the cell to supply organelles with materials needed for metabolism. How many chromosomes does an individual human person have?

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    Biology exam answers Biology Questions and Answers Form 2 - High School Biology Online biology test questions and answers pdf, exam, quiz, test high school with answers. Biology Tests Answer Key 4th ed. ANS: Energy flows from the sun to the autotrophs, and from the autotrophs to the heterotrophs. Answer: John Ray in 17 th century. When searching for an appointment to take your test, we offer the following suggestions: Schedule your test as soon as you are able.

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    As this zimsec biologypast exam papers and answers, it ends occurring beast one of the favored ebook zimsec biologypast exam papers and answers collections that we have. Examination Paper. Have you ever wondered why DNA is twisted or why some sounds make your skin crawl? Discover answers to these and other intriguing biology questions. Unit 7: Diversity of. Cell organelles and their functions 14 cards Phospholipids are the primary component that determines which solutes can cross the plasma membrane. Solve each letter individually. Some if the values are missing from the table. Download Ebook Biology Chapter 7 Test Answers explores how scientists approach the question of evolution; and it illustrates the nature of science as a way of knowing about the natural world. Practice sample answers to past exam questions; past papers which should be available from your teacher. This is why you remain in the best website to look the unbelievable ebook to have.

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