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1. As a person becomes very dehydrated, the concentration of water in her blood decreases. In which direction will water move across the plasma membranes of her blood cells? What will happen to the volume of the cells as a consequence? Why is proper hydration important for multicellular organisms?
2. Oops! You were cleaning out the aquariums in the biology lab and you accidentally placed the saltwater fish in the freshwater tank. What will happen to the cells of these fish?
3. In some countries, human waste is used as a fertilizer. If produce is grown in this type of fertilizer, it is possible that it will be contaminated with the protozoan that causes amoebic dysentery. One method of removing the protest without ruining the food is to place the produce in a 5% salt solution. Explain how this would kill the protest. If you cleaned your lettuce this way, what would happen to the lettuce cells? How could you return them to normal?
There are several examples of eukaryotic cells. Algae, Fungi, Plants, and Animals are all comprises of eukaryotic cells.Select either a plant or an animal cell.
What offspring phenotypes would you expect from mating between a 15-cm and 30-cm pig. How many pairs of genes are regulating the tail length character? (Hint: count the phentotypic classes, or find out the sum of the ratios of the classes)
What is an animal? Include in your answer how animals are differentiated from other life forms. In particular, describe the similarities and differences between volvocine protozoa, members of the Phylum Porifera, and members of the Phylum Cnidaria th..
Explain at least one historical extinction with parallels to the extinction threats facing the bog turtle. When allosteric effector X binds to enzyme #1, enzyme stops working. However, the speed of reaction can be altered by adjusting the concentrati..
What is the dissimilarity between germline mutations, and somatic mutations which can be transferred and which is more severe also which sequence in these letters could be set up to because point mutation that would not affect a person severely seque..
List two possible mutations that might cause this phenotype. Be as specific as possible about the location of mutation. What led physician to make this diagnosis, and what might have caused the sudden attack.
A man and woman are both of normal pigmentation and have a one child out of three who is albino (without melanin pigmentation). Albinism is an autosomal (not sex-linked) recessive trait. What are the genotypes of albino's parents.
If a maize plant is heterozygous for the alleles for pigmy and crinkly-leaf (both recessive to normal size of plant (S) and normal leaf (L) is self pollinated and 208 seeds are subsequently collected and germinated, how various would you expect to sh..
Recently, use of cleaner fuels has greatly reduced soot in the landscape, and dark-coloured moths have been disappearing. Should the two forms of moths be considered separate species.
Colchicine causes disassembly of microtubules. What result (if any) may you see on a giant algal cell in which cytoplasmic streaming is occurring.
Give examples of potential environmental impact. Give at least two references in addition to your text in support of your position. Be sure to cite your sources including your text using APA style and respond to at least two of your classmates' posti..
Complete the Punnett squares for a cross between the male with blood type B and a female with blood type AB. Build two Punnett squares and answer the following given questions about them.
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