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Questions in biology

[Done] Which of the following terms means the percentage of total blood volume composed of red blood cells? Select one: A. Hematocrit B. Hemoglobin C. Complete blood count D. Partial prothrombin E. Viscosity

[Done] Which of the following is the most likely to result in a change in the phenotype of an organism? A. Overproduction of the enzyme responsible for DNA synthesis B. Loss of the organism's ribosomes C. Alterations in the DNA sequences in the organism's chromosomes D. Inhibition of the enzyme responsible for digesting food molecules

[Done] Find out how the following animals get their food and fill in the table. | Animal | Food Source | | --------- | ----------- | | Giraffe | | | Elephant | | | Frog | | | Butterfly | | | Leech | | | Anaconda | | | Scorpion | | | Whale | |

[Done] Which is an active transport process? a. Simple diffusion b. Channel-mediated diffusion c. Osmosis d. Facilitated diffusion e. Exocytosis

[Done] The __________ is the total number of organisms that an ecosystem can support. a. tolerance range b. carrying capacity c. competitive exclusion principle d. population

[Done] The phenotype for red-green colorblindness is more common amongst human males than females. This suggests what form of inheritance? A. autosomal inheritance B. codominance C. sex-linked D. incomplete dominance

[Done] Instructions: Fill in the blanks or answer the following questions. 1. The two main transport tissues in plants are the ______ and ______. 2. The ______ transports water and minerals from the roots to the rest of the plant. 3. The ______ transports sugars and other organic compounds from the leaves to the rest of the plant. 4. Water moves through the plant via a process called ______. 5. Define transpiration:

[Done] 1. The place where a particular animal lives naturally. 2. Special substance that helps to carry oxygen through the blood to all parts of the body. 3. Only mammals that can fly.

[Done] What are herbal plants? Why medicinal plants are important to us? Write in the space given below.

[Done] Xylem and Phloem (Activity) Transpiration occurs in the ____. Movement of water from the roots to the ____ is the ____. The ____ via the tubes called the ____. The movement of the sugar sucrose around the plant through tubes called ____. The ____ strengthens the cell walls. The ____ has living cells and pores in the ____. This allows sugar to move. The phloem transports sugar in ____ directions, but the xylem transports water in only ____ direction. WORD BANK * Transpiration * Leaves * Xylem * Phloem * One * Two * Walls * Sieve