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Questions in biology

[Done] Practice the steps of the scientific method below by completing each box. Observations & Questions You observe that some of the zinnia flowers in your yard have larger blooms than others. You also observe that the amount of sunlight each day varies around the yard. Write a question that relates to the size of the zinnia flowers and the amount of sunlight they receive each day.

[Done] Refer to Table 8.2. If a frameshift mutation occurred in the sequence of bases shown below, what would be the sequence of amino acids coded? ``` 3'ATTACGCTITGC ``` Codon on mRNA and corresponding amino acid | UUA | leucine | UAA | nonsense | | :------- | :------- | :-- | :------- | | GCA | alanine | AAU | sparagine| | AAG | lysine | UGC | cysteine | | GUU | valine | UCG, UCU | serine | A. asparagine-arginine-lysine-alanine B. asparagine-cysteine-valine-serine C. leucine-arginine-lysine-alanine D. Translation would stop at the first codon. E. The answer cannot be determined based on the information provided.

[Done] Hemophilia is a disease that causes uncontrollable bleeding. If a father has it, all of his daughters will be carriers of the disease. Which macromolecule is involved in how hemophilia is passed from parents to their children? A. carbohydrate B. lipid C. nucleic acid D. protein

[Done] True or False: Bone has a poor supply of blood vessels.

[Done] Which environmental change is most likely to lead to speciation? A. A fluctuation in population size B. A temporary drought C. A minor change in seasonal temperature D. A long-term shift in climate creates geographic isolation

[Done] Dinosaurs have been found fossilized sitting on nests in the fossil record. True or False

[Done] Discuss the impact of human activities on biodiversity and propose a solution to mitigate one negative impact.

[Done] Give three excretory organs in mammals.

[Done] Which of the following describes the microbiome? A. The flora remains consistent throughout a lifetime. B. It consists of normal flora such as E. Coli in the intestines. C. It mainly consists of pathogenic flora such as Clostridium difficile. D. Increase in diversity is associated with disease development.

[Done] Which of the following is a type of rudimentary root that isn't involved in transporting water or nutrients? 1) Rhizoids 2) Archegonium 3) Xylem 4) Antheridium