Biology, 29.06.2019 04:30 xbeatdroperzx
Which statements about the modification of chromatin structure in eukaryotes are true? select all that apply. a. deacetylation of histone tails in chromatin loosens the association between nucleosomes and dna. b. acetylation of histone tails in chromatin allows access to dna for transcription. c. dna is not transcribed when chromatin is packaged tightly in a condensed form. d. methylation of histone tails in chromatin can promote condensation of the chromatin. e. acetylation of histone tails is a reversible process. f. some forms of chromatin modification can be passed on to future generations of cells.
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Biology, 21.06.2019 21:30
92 sathe best for the question 11. most animals and plants reproduce sexually. this means that dna is passed down to new organisms from two parental organisms. which of the following is a key advantage of sexual reproduction?
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Biology, 22.06.2019 09:00
Which ocean is on the eastern coast of north and south america? arctic ocean indian ocean pacific ocean atlantic ocean
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Biology, 22.06.2019 11:00
Fill in the blank 1. digestion occurs in the small intestine through the action of enzymes. 2. urea, excess water, and other waste materials are eliminated in a water fluid called 3. can cause infections by injecting dna or rna into hosts. 4. the human immune system produces in response to a vaccine, which later can bind to and destroy a pathogen if it invades. 5. are structures that link bone to bone at a joint 6. in the heart, blood flows from the right atrium to the right ventricle, where it is pumped to the the words i can use are: lymphocytes gliding pivot gas urine absorption dermis fulcrum lungs chemical viruses capillary vertebrae esophagus tendons antibodies synapses ligaments kidneys pathogens
Answers: 1
Which statements about the modification of chromatin structure in eukaryotes are true? select all t...
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