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Questions in biology

[Homework Help] Coral reef ecosystems support over a million different species. Please select the best answer from the choices provided.

[Homework Help] Select all that apply. Which of the below organelles or structures are present in plant cells but not animal cells? Nucleus Centrioles Chloroplast Golgi apparatus Cell wall Mitochondria Central vacuole Plasma membrane

[Homework Help] The progeny cells of a B-cell clone are called: A. plasma cells B. sensitized T cells C. activated macrophages

[Homework Help] Listen. Choose the four structures common to all cells. Cell Wall Ribosomes Nucleus DNA Mitochondria Cytoplasm Cell membrane Cytoskeleton

[Homework Help] For each offspring genotype in the Punnett square you just completed, determine the phenotype. In other words, what is the predicted fur color and eye color of the offspring? Using your Punnett square from the last step, fill in the predicted fraction for each phenotype in the data table below. | | Black Fur and Black Eyes | Black Fur and Red Eyes | White Fur and Black Eyes | White Fur and Red Eyes | |---|---|---|---|---| | Predicted Fraction | 16 | \checkmark / 16 | 16 | 16 | 16 |

[Homework Help] Which of the following is an action of the parasympathetic nervous system? A. Increase in blood pressure B. Secretion of tears C. Stimulation of the adrenal gland

[Homework Help] So, how would you know if people can be "left-brained" or "right-brained"? This could be a question about personality or "preferred thinking style," but instead let's focus the question on the capabilities of the two brain hemispheres: Do people use the left hemisphere or the right hemisphere or both - when reading words? To study this question effectively in your role as researcher, you need to DESIGN an appropriate study that will lead to meaningful results, MEASURE use of the left brain and right brain in your participants, and INTERPRET the larger meaning of your results, considering how your findings would apply to the population as a whole.

[Homework Help] Which of the following statements about either the nervous or endocrine systems is TRUE? The nervous system has both electrical and chemical messaging. The nervous system has hormones that seek out target cells. The endocrine system is faster at sending messages than the nervous system. The endocrine system has both electrical and chemical messaging.

[Homework Help] Categorize the following as characteristics and examples of autotrophs, heterotrophs, or both: Labels: Producers Consumers Synthesize carbohydrates The bottom of most food chains Produce their own Categories: Autotrophs Heterotrophs Both

[Homework Help] Explain why wetlands generally have a high level of biodiversity.