Yeah it is true water enters through tiny pores oscula and release through osculum
Visual traits, like cell shape and size, are the most important criteria for determining similarity between species. thus option C is correct.
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What is the significance of numerical taxonomy?</h3>
In biological systematics, numerical taxonomy is a categorization scheme that deals with the numerical grouping of taxonomic units according to their character states. Instead of employing a subjective assessment of their qualities, it seeks to construct a taxonomy using numerical procedures like cluster analysis.
The data produced can effectively be used in the design of better keys and classification systems because numerical methods are more sensitive in delimiting taxa. Numerous biological ideas that have long been accepted have been reexamined in the context of numerical taxonomy.
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Answer:
The entire population will gradually become more similar to the best-adapted members.
Explanation:
Natural selection will cause the best-adapted members to have a better chance of survival and repopulation.
The regulatory protein in muscle responsible for binding to calcium for contraction to proceed is troponin.
Troponin is a crucial player in the regulation of muscle contraction by calcium: The actin-tropomyosin-troponin complex, which makes up the thin filaments of striated muscles, is the only structure that can bind calcium. Actin filaments are also connected to troponin, a calcium-binding protein that controls contraction in skeletal or cardiac muscles.
Three parts or subunits of troponin:
- Tropomyosin-binding subunit (Tn-T)
- Inhibitory subunit (Tn-I)
- calcium-binding subunit are the (Tn-C)
NMR spectroscopy was used to determine the atomic structure of the troponin head.Troponin and tropomyosin are both necessary for the control of calcium in striated muscles. Troponin or tropomyosin mutations result in the well-known cardiac myopathy.
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Answer:
Over time, plants had to evolve from living in water to living on land. In early plants, a waxy layer called a cuticle evolved to help seal water in the plant and prevent water loss. ... A later adaption for life on land was the evolution of vascular tissue.
