The major reservoir in the nitrogen cycle is the water
Indicate whether the statement is true or false
FALSE
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Crowding ____
a. has a positive effect on reproduction b. decreases the growth rate of individuals c. only occurs in plant species d. causes immigration e. stimulates developmental and behavioral changes
Viruses use the host's machinery to make copies of themselves. However, some human viruses require a type of replication that humans do not normally have. For example, humans normally do not have the ability to convert RNA into DNA
How can these types of viruses infect humans, when human cells cannot perform a particular role that the virus requires? A) The virus causes mutations in the human cells, resulting in the formation of new enzymes that are capable of performing these roles. B) The viral genome codes for specialized enzymes not in the host. C) The virus infects only those cells and species that can perform all the replication roles necessary. D) Viruses can stay in a quiescent state until the host cell evolves this ability.
To create a tree based on molecular information, we obtained a __________ sequence from NCBI, used _____________ to align the sequences, input the aligned sequences into ________ to obtain the raw phylogenetic tree and rooted the tree using ______________.
A. FASTA, DNAPars, MUSCLE, FigTree B. MUSCLE, FASTA, DNAPars, FigTree C. FASTA, MUSCLE, DNAPars, FigTree D. FigTree, GenBank, MUSCLE, FASTA
Which of the following statements about genotypes and phenotypes is TRUE?
A) Matings between individuals with recessive phenotypes produce offspring with dominant phenotypes. B) Matings between individuals with dominant phenotypes cannot produce offspring with recessive phenotypes. C) Individuals with the same phenotype might have different genotypes. D) Individuals with the same genotype might have different phenotypes.