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Nucleotides
It is an organic molecule made up of three basic components- a nitrogenous base, phosphate,and pentose sugar. The nucleotides are important for metabolic reactions andthe formation of DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).
Nucleic Acids
Nucleic acids are essential biomolecules present in prokaryotic and eukaryotic cells and viruses. They carry the genetic information for the synthesis of proteins and cellular replication. The nucleic acids are of two types: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). The structure of all proteins and ultimately every biomolecule and cellular component is a product of information encoded in the sequence of nucleic acids. Parts of a DNA molecule containing the information needed to synthesize a protein or an RNA are genes. Nucleic acids can store and transmit genetic information from one generation to the next, fundamental to any life form.
- ) Both the caterpillar stage of the yucca moth and the ground sloth ate seeds of the yucca plant. However, when caterpillars eat, they completely digest the seed itself. When sloths ate the seeds, the seeds passed intact through the
digestive system . How would you classify each of these interactions for the plant (positive or negative)? What do these interactions tell you about plant and animal interactions involving part of the plant being eaten?
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- Identify some characteristics of life as evident in the reaction in stimuli of makahiya plant. What characteristics of life are not directly shown by the “makahiya” plant's behavior?Unripe fruits are hard and tart. Ripening is a process that sweetens and softens the fruit to make it more attractive to animals who will eat the fruit and disperse the seeds. A plant hormone, ethylene, leads to the ripening of many fruits. Once ethylene starts being pro- duced, it initiates a feedback loop that causes more ethylene to be produced, increasing the rate of ripening. Which of the following best identifies and describes the feedback loop initiated by the pro- duction of ethylene? A It is a positive feedback loop because the initiating stimulus causes a subsequent de- crease in the stimulus. B с D It is a negative feedback loop because the initiating stimulus causes a subsequent in- crease in the stimulus. It is a negative feedback loop because the initiating stimulus causes a subsequent de- crease in the stimulus. It is a positive feedback loop because the initiating stimulus causes a subsequent in- crease in the stimulus.the graph is depicting the size of eggs and number of eggs for the mycalesis terminus butterfly. the right of the graph represents the mass of the eggs (solid blue) and the left side represents the number of eggs (striped blue) Describe one realistic difference between host plants that might be affecting the numbers and sizes of eggs that a female lays on these plants. Suppose the ability of a female to adjust her egg and clutch size is an adaptation in these butterflies. Based on the difference between host plants that you identified in Part C, describe and explain why that difference would impact how a female adjusts the size or number of eggs (choose only one of these). Your answer just needs to be possible, not necessarily true.
- Plants are living organisms that belong to the kingdom Plantae. They are multicellular eukaryotes, meaning they have cells with a nucleus and other membrane-bound organelles. Plants are characterized by their ability to produce their own food through photosynthesis, a process that involves using sunlight, carbon dioxide, and water to produce glucose (sugar) and oxygen. One stressor for a pea plant could be exposure to high salinity in the soil. To simulate this stressor, we can water the plant with a solution containing higher levels of salt than normal. To record the impact of this stressor, we can measure the height and number of leaves of the plant. We can also measure the chlorophyll content in the leaves as an indicator of the plant's ability to carry out photosynthesis. Let's say we have two groups of pea plants, one group is watered with a normal solution and the other group is watered with a high salinity solution. After two weeks, we measure the height and number of leaves of…Describe the relationship between the plant and the ants. What benefit/s do/es the plant gives to the ants? What benefit/s do/es the ants give to the plant? note just the summary please,Answer the following questions with explanation Give three examples of nutrient deficiencies in plants and the corresponding symptoms. Research on examples of parasitic plants and predator plants. Give an example for each. What structural adaptations are present in these plants that allow them to acquire nutrition through parasitism and predation? What contributes to the absorption capacity of the small intestine? Why doesn’t gastric juice destroy the stomach cells that make it? What are the cells making up the gastric glands of the stomach?
- Describe the makahiya plant and its reaction to a stimuli. Give two scientific questions you can formulate with regard to the appearance and behavior of the makahiya plant.Several species have leaves that catch and digest insects, obtaining nitrogen fertilizer from their bodies. Describe how each of the following trap leaves function— the pitchers of Nepenthes, the flypaper leaves of sundew, the traps of Venus’ flytrap. Which are active and which are passive?i) list TWO adaptations that show that the plant conserves water.ii) Photosynthetic cells produce starch and may be stored. Describe how one may test for the presence of starch on a piece of potato tissue. iii) Give TWO characteristics of monocotyledonous plants. d. The transition of plants from an aquatic environment to a terrestrial one has broughtabout many evolutionary adaptations for plants to survive on land. Give ONE adaptationfor each of the following divisions:i) Mosses: ii) Gymnosperms.
- Compare and contrast the nutrient procurement and processing in plants and animals. a.) Compare and contrast the organs in plant and animals. b.) compare and contrast the Nutrient requirements in plant and animals c.) compare anf contrast the Feeding mechanisms in plant and animalsBean beetles, Callosobruchus maculatus, get their lifetime nutrition from the bean seeds (family Fabaceae) on which their mother lays her eggs. The specific bean on which each egg is laid determines the future success of the larva that develops from that egg. Choosing where to lay an egg is the most important decision a female bean beetle will make for her offspring, yet even within one bean species the seeds available may be very different in quality. Seeds vary in size (even if from the same plant), so the amount of resource available to larvae on different beans will not be the same. Seed mass may vary by as much as 50% among mung beans purchased in a local store, a species on which Callosobruchus develops normally and may complete its lifecycle. During adulthood the primary activity of the beetle is____________________________. seeking shelter feeding their young eating mating drinkingBean beetles, Callosobruchus maculatus, get their lifetime nutrition from the bean seeds (family Fabaceae) on which their mother lays her eggs. The specific bean on which each egg is laid determines the future success of the larva that develops from that egg. Choosing where to lay an egg is the most important decision a female bean beetle will make for her offspring, yet even within one bean species the seeds available may be very different in quality. Seeds vary in size (even if from the same plant), so the amount of resource available to larvae on different beans will not be the same. Seed mass may vary by as much as 50% among mung beans purchased in a local store, a species on which Callosobruchus develops normally and may complete its lifecycle. During the life cycle of the beetle, the most time is spent in the________________stage.