a difference between bacterial and eukaryotic transcription
Answer:
According to Wikipedia, In bacteria, transcription and translation can occur simultaneously in the cytoplasm of the cell, whereas in eukaryotes transcription occurs in the nucleus and translation occurs in the cytoplasm.
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The difference between bacterial and eukaryotic transcription is that in bacteria, transcription and translation can occur simultaneously in the cytoplasm of the cell, whereas in eukaryotes transcription occurs in the nucleus and translation occurs in the cytoplasm.
What is the difference between eukaryotes and prokaryotes?The main difference between eukaryotes and prokaryotes is that the eukaryotes are well developed and advanced and have different cell organelles and they have different functions in the cell and the prokaryotes are not well developed and they are found in the unicellular organisms.
The unicellular organisms are made of one cell and carry out the processes of life as a single cell and the multicellular organisms are made up of two or more cells that have specific functions to contribute to the life processes.
Therefore, The difference between bacterial and eukaryotic transcription is that in bacteria, transcription and translation can occur simultaneously in the cytoplasm of the cell, whereas in eukaryotes transcription occurs in the nucleus and translation occurs in the cytoplasm.
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True/False. All mutations are bad.
False.
There are several good mutations that have ensured the survival of species. Typically helpful mutations help the creature adapt to its environment or protect itself from predators.
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glial cells that surround the neurons in ganglia are:
Answer:
Explanation:
Satellite cells are small glia that surround neurons' sensory ganglia in the ANS. These resemble the astrocytes of the CNS and assist in regulating the external chemical environment. PNS satellite glia are very sensitive to injury and may exacerbate pathological pain.
Glial cells surrounding the neurons of neurons are satellite cells.
What are the functions of glial cells?Glial cells are a type of cell that provide physical and chemical support to neurons and maintain their environment. Located in the central nervous system and peripheral nervous system.
Glial cells outnumber neurons in the brain and outnumber them by a ratio of 3:1. Although glial cells also have complex processes extending from their cell bodies, they are generally smaller than neurons and lack axons and dendrites.
Oligodendrocytes form the myelin sheath around axons. Astrocytes supply neurons with nutrients, maintain their extracellular environment and provide structural support. Microglia clear pathogens and dead cells.
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(LO 1.6) Assume a person just drank a glucose solution and is sitting quietly.
Injecting insulin would cause compared to when there was no insulin
injected.
m
Answer:
more glucose to move into cells in muscles
Explanation:
meiosis produces four genetically different haploid cells. Mitosis produces..
a) 4 genetically identical haploid cells
b) 2 genetically different diploid cells
c) 2 genetically identical diploid cells
d) 4 genetically different haploid cells
Answer:
c) 2 genetically identical diploid cells
now you’ll examine an operon that undergoes negative and positive control. the ara operon in e. coli codes for enzymes that metabolize the sugar arabinose, which e. coli can use for energy. as you can see in the diagram, the regulatory protein arac can act as both an activator and a repressor of the ara operon.
The lac operon is known to be able to undergoes negative and positive control.
The diagram based on the 4 table arrangement is filled up below (Right to left);
In the presence of arabinose: initiator, activator, yes, yes.In the absence of arabinose: initiator and operator, repressor, no, no.
If a mutation prevents arabinose from biding to AraC: initiator and operator, repressor, no, no.
If arabinose is present but a mutation and AraD enzyme renders it non-functional: initiator, activator, yes, no.
The metabolism of the sugar arabinose is known to be influenced by an operon that is said to undergo both positive control and negative control.
Transcription of the ara operon is lead by the regulatory protein AraC, which then bound to the DNA.
When arabinose is present, it binds to AraC, and both parts of the AraC dimer are then also bound to the initiator, making transcription to move foreword.
When arabinose is absent, one part of the AraC dimer is often bounded to the initiator, while the other part is bounded to the operator, thereby hindering transcription.
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Now you'll examine an operon that undergoes negative and positive control. The ara operon in E. coli codes for enzymes that metabolize the sugar arabinose, which E. coli can use for energy. As you can see in the diagram, the regulatory protein AraC can act as both an activator and a repressor of the ara operon.
Use the diagram above to fill in the table.
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By keeping food cold, the growth of microorganisms is:
Answer:
they are called growth because you are training them
how are lymphatic capillaries different from blood capillaries?
Answer:
Lymphatic Capillaries are slightly larger in diameter than blood capillaries, and have closed ends (unlike the loop structure of blood capillaries). Their unique structure permits interstitial fluid to flow into them but not out.
Explanation:
Which of the following are forms of cell regulation?
Answer:
the answer is should be C
by moving substances into and out of cells,_____, the process of keeping stable conditions inside a cell, is maintained
Answer:
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Answer:
Homeostasis
Explanation:
This process maintains sugar, salt nutrients and other substances within a certain range to maintain safety
explain the effects of removing one organism from a terrestrial food web
Answer: If one species in the food web ceases to exist, one or more members in the rest of the chain could cease to exist too. A plant or animal doesn't even have to become extinct to affect one of its predators.
Explanation:
Onion root tips contain cells that are constantly dividing. Why was it important to use the onion roots tips to observe chromosomes during mitosis rather than a cell from another part of the plant?
a. Because cells in the leaves do not have DNA or chromosomes.
b. Because chromosomes only form during mitosis, one part of cell division
c. Because root cells are naturally purple, so you can see the chromosomes
d. Because cells in the leaves only divide, but do not undergo mitosis.
Explanation:
the answer to your question is A
Onion roots are used to see mitosis because of rapid growth at the onion tips and at the stage of mitosis,leaves of the plants has division in the cells but there is no mitosis. the correct answer is option D.
What is the significance of mitosis ?The significance of mitosis is that in the stage the chromosomes are paired and the pairing of this homologous chromosomes makes the chromosomes visible at the equatorial plate.
Leaves do not undergo cell mitosis as they do show the cell division from various types of tissues but the mitosis is absent and the root cells show rapid division in the lateral sides and because of roots being the active site of division, these are considered more to see mitosis happening.
Thus, mitosis being absent in leaves takes the roots to be considered option.
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True or False: Increases in the width of long bones is a result of bone modeling.
Answer:
TRUE is correct
Explanation: protecting the post.
Answer:
Explanation:
True
If you breathed in air that had a lower oxygen concentration than your blood, describe what would happen in your alveoli.
Answer:
internal respiration
Explanation:
internal respiration is described by what your asking so that shows the in your alveoli would react with internal respiration and if it says im wrong then i dont what.
What is the function of glycoproteins?
O to detect bacteria and other foreign bodies outside of the cell
O to actively carry specific ions or molecules into the cell
O to serve as identification for the cell
O to allow specific ions or molecules to pass freely
Answer:
Glycoproteins are molecules that comprise protein and carbohydrate chains that are involved in many physiological functions including immunity. Many viruses have glycoproteins that help them enter bodily cells, but can also serve to be important therapeutic or preventative targets.
Explanation:
this is the correct answer happy
What is photosynthesis?
Answer:
photosynthesis is the process in which plants convert light energy, carbon dioxide, and water to create glucose which it uses to feed itself and oxygen which is expelled into our atmosphere helping us breathe
Explanation:
define osmoregulation
Answer: OK!
Explanation: Osmoregulation is the active regulation of the osmotic pressure of an organism's body fluids, detected by osmoreceptors, to maintain the homeostasis of the organism's water content; that is, it maintains the fluid balance and the concentration of electrolytes (salts in solution which in this case is represented by body fluid) to keep the body fluids from becoming too diluted or concentrated.
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sensory information from all parts of the body is routed to
Answer:
the Somatosensory Cortex.
Explanation:
im not sure that is just the anwser.
what was life like for the native americans after they were relocated west to indian territory
hmmm what is it mhmhmhmm
Definition of Genetic Engineering
Answer:
Genetic engineering is the process of altering or modifying the DNA in an organism’s genome.
Answer:
Genetic engineering, also called genetic modification or genetic manipulation, is the direct manipulation of an organism's genes using biotechnology
please help me.what are the insects with out siphoning mouth parts.? please help.
What are the three cell layers of retina, and how does the light travel to get to the receptor layer
What is a chemical reaction from your teeth
Explanation: Calcium phosphate and hydrogen ions undergo a reversible reaction with calcium ions, phosphoric acid and water. The products of the reaction are calcium ions, phosphoric acid and water. All of these exist in chemical equilibrium with the crystalline calcium phosphate.
Answer:
calcium ions, phosphoric acid and water
Explanation:
Calcium phosphate and hydrogen ions undergo a reversible reaction with calcium ions, phosphoric acid and water
What change in the mass number of a nucleus occurs when the nucleus emits an alpha particle?
Answer:
Protons are positively charged. When a nucleus emits an alpha particle, these changes happen: the mass number decreases by 4. the atomic number decreases by 2.
Explanation:
Protons are positively charged. When a nucleus emits an alpha particle, these changes happen: the mass number decreases by 4. the atomic number decreases by 2.
A(n) _____ is a type of cancer-causing gene that promotes cancer by activating cell division at an inappropriate time or place.
Think about how you obtain the energy you need to do everyday activities like doing chores, going to school, or playing sports. Write about it in the box below.
Answer:
I get energy by sleeping at night and eating at least 3 meals a day everyday.
Explanation:
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Which of the following best describes how you know the matter that makes up the sequoia tree comes from your answer in the previous question.
A. All the energy comes from the sun, so it would make sense that any matter we get would also come ultimately from the sun. Without the sun, no photosynthesis would happen
B. Water and carbon dioxide supply us with the matter and they are the inputs for photosynthesis, and everything starts with photosynthesis
C. Our bodies are made of over 90% water, so we essentially are water which is an input for photosynthesis
D. We are made of carbon-based molecules and that carbon needs to come from somewhere, so the carbon comes from the glucose we eat which came from the carbon dioxide.
E. Glucose is eaten by us which is then used to build oxygen and carbon dioxide molecules that will get released back into the air. We are able to make air which is an example of matter/mass in our biosphere
I know it's either D or E
Answer:
D
Explanation:
My intuition told me so
The oldest living plants are __________. Your text describes one such plant,that is more than __________ years old.
Answer:
the oldest living plant is seagrass colony
Explaination:
The plant is over 100000 years old
The cerebral nuclei are also called the basal nuclei and sometimes are incorrectly called the basal ganglia. Why is this incorrect
It is incorrect to name basal nuclei as basal ganglia because the term 'ganglia' refers to clusters of cell bodies in the peripheral nervous system (PNS). The basal nuclei are a group of subcortical nuclei.
The basal nuclei are a group of subcortical nuclei located deep in the cerebral hemisphere and midbrain.
The basal nuclei can be defined as a region of the brain that is involved in muscle coordination and movement.
The term ganglia make reference to a group of neurons outside of the central nervous system in the peripheral nervous system (PNS).
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which structure has the function of transferring the egg from the ovary to the uterus?