Which of the following processes directly contributes the energy required to pump protons across the cell membrane of a bacterial cell during cell respiration?

From the dropdowns, choose the type of horizontal gene transfer that best applies to each statement below. The only type of transfer in which bacteria physically connect with each other [v1] Involves transfer of genetic material via a virus [v2] Is used during gene cloning to introduce a plasmid to a bacteria [v3] Can involve the transfer of either an F factor or an Hfr factor through a pilus [v4] Sometimes requires a special membrane receptor to take up DNA from the environment [v5]

Use the derived characteristic chart to fill in missing parts of the cladogram.   What derived characteristic would separate organism B and C?  (the grey x).  

What is the name of these protists ? 

Identify this protist. 

Humans have a taibone, but no tail.  This is a example of a _______________ structure. 

This represents the amino acids sequence of a histone protein in five organisms. The darker areas show where amino acids are identical, lighter areas show differences.    How many amino acids differ between cows and chimps? 

Identify the phylum or kingdom this protist belongs to. 

What is the name of the organism that lives in a symbiotic relationship with termites to help them digest cellulose? 

Phenotype Genotype Number of Individuals White rr 90 Red RR 135 Pink Rr 225 a. What is the frequency of the “R” allele?  Do not round.   b. What is the frequency of the “r” allele?  Do not round.  c. In the second generation 300 flower buds are produced.  How many flowers in the second generation will be expected to be heterozygotes if the population is under Hardy-Weinberg equilibrium?