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Questions in biology

[Terjawab] How does a small, nonpolar gas like oxygen get across a membrane? A) Active transport from a low to high concentration B) Diffusion from a high to low concentration C) Osmosis from a high to low concentration D) Membrane transport (facilitated diffusion) from a high to low concentration

[Terjawab] Which of these habitat zones might students explore on-site? - Arctic Tundra - Alpine Mountains - Tropical Rainforest - Deep Ocean

[Terjawab] Consider the table. Types of Bacteria \begin{tabular}{|l|l|l|} \hline Form & Shape & Associated disease \\ \hline Coccus & X & Strep throat \\ \hline Bacillus & Rod shaped & Y \\ \hline Spirillum & Spiral & Cholera \\ \hline \end{tabular} Which best describes $X$ and $Y$? A. $X=$ Spherical; $Y=E$. coli B. $X =$ Comma shaped; $Y =$ Whooping cough C. $X=$ Oval shaped; $Y=S$. aureus D. $X=$ Rod shaped; $Y=$ Pneumonia

[Terjawab] Which of the following terms refers to the stringy protein fiber that is a component of a blood clot? Select one: A. Serum B. Albumin C. Colloid D. Fibrin E. Globulin

[Terjawab] Which is the central element for all living things? A. carbon B. hydrogen C. oxygen D. nitrogen

[Terjawab] True or False: All primates are susceptible to predation by mammalian carnivores.

[Terjawab] This table lists examples of plants. \begin{tabular}{|l|l|l|} \hline \multicolumn{3}{|c|}{Plant Classifications} \\ \hline & Gymnosperms & Angiosperms \\ \hline A & Flowering plants, grains, and fruit trees & Conifers, cycads, and gingkos \\ \hline B & Grains, flowering plants, and gingkos & Fruit trees, conifers, and cycads \\ \hline C & Fruit trees, cycads, and grains & Conifers, gingkos, and flowering plants \\ \hline D & Conifers, cycads, and gingkos & Flowering plants, grains, and fruit trees \\ \hline \end{tabular} Which row ( $A , B , C$, or D ) in the table accurately categorizes the plants as gymnosperms and angiosperms?

[Terjawab] What is sarcoplasmic reticulum (SR)? Choose the correct option. A. System of tubules that bring the action potential deep inside the muscle fiber B. Voltage-sensitive channels C. Excitable cell membrane that encloses the muscle fiber D. Extensive intracellular sac containing calcium ions

[Terjawab] 1. Name the animal that has fur on its body. 2. Are fallen leaves living? 3. How should we treat plants? 4. What benefits do we get from animals? 5. How do germs enter into our body?

[Terjawab] Which motion of particles across a membrane requires energy? A. from low concentration to high concentration B. through dynamic equilibrium