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denis-greek [22]
3 years ago
6

Gravitropism, phototropism, and thigmotropism are examples of which term? (1 point)

Biology
1 answer:
Arturiano [62]3 years ago
8 0

Answer:

adaptation

Explanation:

These are response of plant towards or away from stimuli.

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Adding large amounts of salt into your body causes your cells to become hypoglycemic (net movement into the cell outweighs net movement out) and causes the cells to boost. Via negative feedback loops, your body feels thirsty to dilute the salt in your cells to return them back to normal concentrations.
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Question 1 of 10
DiKsa [7]

Answer: They are all formed from the same elements.

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When the events at the neuromuscular junction listed in the answer choices are put in proper sequence, the third event is When t
Aneli [31]

Answer:

neurotransmitter is released

Explanation:

A neuromuscular junction is defined as the chemical synapse between a muscle fiber and the motor neuron. When the neuromuscular junction are put into a sequence, the third event is released of the transmitter. The action potential depolarizes the terminal membrane $Ca^{2+}$ rushes in releasing the neurotransmitter.

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2 years ago
Which of the following may be found in eukaryotic cells, but not in bacteria? ribosomes
lawyer [7]

Answer: endoplasmic reticulum

Explanation:

Prokaryotes ( meaning pro: before and Karyon: for kernel/nut) describes organisms which don’t have a cell nucleus or other organelles surrounded by membranes

Eukaryotes  (eu meaning true), are organisms with a cell nucleus and several other organelles surrounded by membranes

Example prokaryotes do not contain: nuclei , Golgi apparatus, chloroplasts, mitochondria, and endoplasmic reticulum

Both may contain a cell wall, flagella, ribosomes, DNA and plasma membranes

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3 years ago
The development of DNA technology is bringing profound changes to science, agriculture and healthcare. Provide one example of a
grandymaker [24]

Answer:

The CRISPR-Cas9 genome editing system can be used to edit genes and correct mutations associated with inherited diseases. However, this technology also has the potential to edit genes in germline cells in order to irreversibly modify the human species and the natural evolution of life

Explanation:

The CRISPR-Cas9 (Clustered regularly interspaced short palindromic repeats and CRISPR-associated protein 9) system is a natural prokaryotic defense system used by bacteria to defend against invading DNA. In the laboratory, the CRISPR-Cas9 system has been repurposed to create a versatile genome-editing tool that allows us to modify the genome of mammalian cells in a targeted fashion. The CRISPR-Cas9 is a simple gene-editing tool that consists of a single guide RNA (sgRNA) that guides the Cas9 enzyme to the exact genomic location where Cas9 needs to make a cut, which is then repaired by different DNA repair mechanisms. During DNA repair, nucleotides can be replaced and/or deleted, thereby producing desired genomic modifications. The CRISPR-Cas9 has an enormous potential to repair mutations in genes associated with inherited genetic disorders and cancer (i.e., oncogenes might be reversed in vivo by using this technology). However, the CRISPR-Cas9 genome editing system is also a subject of concern due to its dual use. For example, this technology can be used to modify the genome of germline cells by inducing mutations that can be passed across generations, thereby irreversibly modifying human DNA and altering the normal course of evolution.

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