Daily Biology Puzzles & Riddles - Challenge Yourself!

The exocrine portion of the pancreas is composed of pancreatic lobules. pancreatic crypts. pancreatic acini. islets of Langerhans. triads.
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Forest fires can destroy all the established plants living in an area. However, new growth can spring from the decaying organic matter left behind. What is the gradual, sequential regrowth of a community of species after a forest fire
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if gpp of an aquatic ecosystem is 180 units/year and npp is 100 units what is respiration rate of primary producers
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Brainstem strokes are not uncommon and arise when arterial flow is compromised to one or more of the areas in the brainstem. What important structures arise out of the brainstem
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Extant nonbird reptiles are __________, whereas birds are different in that they are __________. View Available Hint(s)for Part A amniotes; not amniotic ectothermic; endothermic scaly; lacking in scales endothermic; ectothermic
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What is the most likely reason that the Western blot assay showed a positive result for one of the HIV viral envelope proteins, p24, in Penelope's blood
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Systemic lupus erythematosus is caused by: Group of answer choices a chronic allergic condition. development of an immune-deficient state. a deficiency of T lymphocytes. immune complex deposits of antinuclear antibodies NAT 302
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Explain independent assortment and allele segregation. How many gamete possibilities are produced from a parents genotype with 2 traits
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If left untreated, night blindness can progress to__________, or drying of the conjunctiva and cornea of the eye with decrease in mucous production.
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The type of inheritance that occurs because extranuclear genes are inherited through the cytoplasm of an egg is called quizle
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Match each of the following terms with the appropriate description. The descriptions may be used once, more than once, or not at all. A. Multicellular haploid B. Unicellular haploid C. Multicellular diploid D. Unicellular diploid
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1. gene in pea plants has a strong influence on plant height. The gene has two alleles: tall (T), which is dominant, and short (t), which is recessive. What are the genotypes and phenotypes of the offspring of a cross between a TT and a tt plant?
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Extranuclear genes are not segregated into gametes the same way the nuclear chromosomes are. As such, extranuclear genes ______ exhibit Mendelian patterns of inheritance.
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One function of the accessory pigments is to broaden the spectrum of light that can drive photosynthesis. Discuss how this is accomplished.
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As organisms become complex, so do the numbers and structures of introns. Introns in vertebrates range up to 100,000 nucleotides in length. These long introns often include conical splicing signals, but the signals are not recognized by the cellular spliceosome. How are these non-productive splicing sites suppressed
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Compare your coding strand and your template strand. What happens when the coding strand is used for gene expression? Would this strand produce the same protein product as the template strand?
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If insulin-sensitive tissues experience prolonged exposure to insulin, they may stop responding to insulin efficiently. What is this phenomenon called
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In fruit flies, wild eye is dominant over white eye and is sex-linked (X). In a cross between a white-eyed male and a pure breeding wild eye female, the phenotypic ratio for each sex would be?
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Can somebody please help me with this question?
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Baldness is sex- influenced. A heterozygous woman is crossed to a heterozygous man for baldness. What is the probability that their male children will be bald? Their female children?
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What does SSM stand for in microbiology
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During interphase of the cell cycle, ________. Question 6 options: DNA recombines the nuclear membrane disappears DNA content essentially doubles sister chromatids move to opposite poles
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population of frogs consists of the following genotypes - 12 AA, 13 Aa, 4 aa. Calculate the allele frequencies and use them to predict the frequency of heterozygotes in the next generation.
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The trp operon also undergoes negative regulation by a repressor. Tryptophan is the signal molecule (effector molecule) that binds to the repressor. Determine which events lead to an increase in transcription. The trp operon is transcribed when
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