The most likely direct result of this alteration is that the bacterial DNA will stop replicating. Thus, the correct option for this question is A.
What is Rifampicin drug used for?The drug Rifampin is used to treat tuberculosis (TB) in many different parts of the body. It is also used by patients who have meningitis bacteria in their nose or throat who do not show symptoms of the infection to prevent the spread of the bacteria to other patients.
Rifampin specifically inhibits bacterial RNA polymerase. It is an enzyme that is responsible for DNA transcription, by forming a stable drug-enzyme complex with a binding constant of 10(-9) M at 37 C. The corresponding mammalian enzymes are not affected by rifampin.
Therefore, the most likely direct result of this alteration is that the bacterial DNA will stop replicating. Thus, the correct option for this question is A.
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Directions: Using the diagram, for A, B,C,D, and E, identify the phases of the cell cycle that the cell is going through.
Directions: For number 1-10, identify the cell structure that is being shown.
Answer:
1.Centriole
2.spindle fiber
3.chromatids
4.daughter cell
5.Chromatic
6.Cell membrane
7.Nucleolus
8.Centrioles
9.Chromosome
10.Nuclear membrane! [tex]\color{yellow}{}[/tex]
Mitosis consists of four basic phases: Prophase, Metaphase, Anaphase, and Telophase. These phases occur in strict sequential order, and cytokinesis - the process of dividing the cell contents to make two new cells - starts in anaphase or telophase. Stages of mitosis: prophase, metaphase, anaphase, telophase.
A. Prophase
Prophase is the first phase of mitosis, the process that separates the duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells.B. Metaphase
Metaphase is the third phase of mitosis, the process that separates duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells.C. Anaphase
Anaphase is the fourth phase of mitosis, the process that separates the duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells.D. Telophase
Telophase is the fifth and final phase of mitosis, the process that separates the duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells.The third stage of mitosis, known as metaphase, is when the genetic material that was replicated and carried in the parent cell's nucleus is split into two identical daughter cells.
What are the different phases of mitosis?There are four fundamental stages of mitosis: prophase, metaphase, anaphase, and telophase.
Cytokinesis, which is the process of separating a cell's contents into two new cells, begins in either anaphase or telophase, where the phases are strictly sequentially ordered.
The division of the duplicated genetic material contained in a parent cell's nucleus into two identical daughter cells is called mitosis, and the process begins with the prophase.
Therefore, 1. Centriole 2.spindle fiber 3.chromatids. 4.daughter cell 5. Chromatic 6. Cell membrane 7. Nucleolus 8. Centrioles 9. Chromosome 10. Nuclear membrane.
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In any population of plants and animals there are always
Answer:
Herbivores than carnivores
Explanation:
hope this helps:)
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Carbon monoxide has
___ of oxygen.
a.) one atom
b.) zero atoms
Answer:
One atom.
Explanation:
One carbon dioxide molecule contains one carbon atom.
What two features do
geologists use to classify
crystals?
List as many examples of seasonal changes of plants and animals that you can.
No links!!! | help please!!
Answer:
Leaves change colors
animals migrate
animals shed (winter coat vs summer coat)
flowers bud in spring
ex: snow rabbits are white in winter and brown in summer
Explanation:
Which environmental factor could lead to a decrease variation in a population of tuna
What is needed to complete the equation representing cellular respiration?
Glucose + Oxygen → Carbon Dioxide + _______ + Energy
Answer:
Water
Explanation:
Answer:
water
Explanation:
glucose+oxygen-> carbon dioxide+water+energy
Smoking causes fibrosis within the lungs. How does this affect lung compliance?
Compliance is not affected so breathing doesn't change
Compliance decreases and therefore breathing becomes more difficult.
Compliance increases and therefore breathing becomes more difficult
Compliance decreases and therefore breathing becomes easier.
Compliance increases and therefore breathing becomes easier
A scientist does an experiment in which she removes the offspring of rats from their mother at birth and has her genetics students feed and rear the offspring. Assuming that the students do not lick and groom the baby rats as the mother rats normally do, what long-term behavioral and epigenetic effects would you expect to see in the rats when they grow up
Give the atomic number, electron configuration and the number of valence electron if the following elements:
Aluminum
Answer:
Atomic number: 13
Electron Configuration:[NE] 3s²3p¹
Valence electron: 3
anyone know this I don’t get the question
Answer: 5.000/ml
Explanation: density = mass/volume= 50/ 100=1/2 or 0.5 g/ mL
Four of the five answers below are related by a common phase of mitosis. Select the exception. Group of answer choices chromosomes align at the spindle equator sister chromatids become individual chromosomes centromeres divide the chromosomes move apart spindle microtubules shorten, pulling chromosomes toward the poles
Answer:
The correct answer is - chromosomes align at the spindle equator.
Explanation:
Chromosomes move and align at the spindle equator during the metaphase stage of mitosis and other given events take place during the anaphase stage of the mitosis cell division. Metaphase is the second phase of the M-phase of mitosis division whereas anaphase is the third phase.
The metaphase is characterized by the alignment of the chromosomes at the equator whereas the anaphase is separating the chromosomes pulled towards the poles and division of centromeres.
NEED HELP ASAPPPP!!!
Answer:
345
explanation:
the line on the graph is higher than 300 and close to 350 hence any answer below 300 is wrong .so the answer is 345.
Why are populations with high levels of genetic diversity more stable than populations with low levels of genetic diversity?
A.
Populations with high levels of genetic diversity are more likely to have individuals that will undergo
natural selection if conditions
change.
B. Populations with high levels of genetic diversity are
to more likely to have individuals with traits that help them survive if conditions
change.
X
C. Populations with high levels of genetic diversity are less likely to interbreed with other populations.
D.
Populations with high levels of genetic diversity are less likely to have high levels of variation in
alleles.
Answer:
d
Explanation:
.
Which of the following is a likely effect of the tornado on the plains ecosystem?
Answer:
Flying debris could harm a population of bison
-)))
Calcium is the most abundant mineral in the human body. Calcium ions are needed for bone mineralization and tooth health,
regulation of the heart rate and strength of contraction, blood coagulation, contraction of smooth and skeletal muscle cells, and
regulation of nerve impulse conduction. When blood levels of calcium get too high, the thyroid gland is stimulated to release
calcitonin, which initiates actions to lower blood levels of calcium.
Consider the role of calcitonin. ALL BUT ONE is the result of the release of calcitonin by the thyroid gland.
A)
inhibits osteoclast activity
B)
stimulates calcium uptake by the bones
stimulates the synthesis of vitamin D
D)
decreases reabsorption of calcium by the kidneys
Answer:
decreases reabsorption of calcium by the kidneys
Explanation
from what ive found, calcitonin stops osteoclast activity, makes bones stronger, stimulates the sythesis of vitamin D, but does not (in anywhere i have read) decrease reabsorption in the kidneys. I really hope this helps.,,
if im wrong i am so sorry :(
The picture below shows the energy flow through a meadow community.
Hurry!!!
Which of the following would most likely occur to the populations of the community immediately after a wildfire burns the environment?
Group of answer choices
Hawks and foxes would increase
Hawks would increase and foxes would decrease
Meadow plants would increase and rabbits would decrease
Meadow plants and rabbits would decrease
Which of the following statements are true about the esophagus? Select all that apply.
The esophagus is a bony tube.
The esophagus is a muscular tube.
The esophagus moves food from the mouth to the small intestine.
The esophagus moves food from the mouth to the stomach.
Which of the following statements are true about the esophagus?
The statements that are true about the esophagus are:
The esophagus is a muscular tube.The esophagus is the muscular tube of the digestive tract that develops from the pharynx to the stomach.
The esophagus moves food from the mouth to the stomach.This part of the digestive system is traversed by food, which enters through the mouth, passes through the pharynx, crosses the esophagus and reaches the stomach.
In this process, the esophagus has an active participation, since its walls contract to promote the advance of the food.
Therefore, we can conclude that the esophagus is a muscular tube that moves food from the mouth to the stomach.
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AG CLASS
Which of the following professionals is most likely to be hired to mow the grass and lawns of an urban park and perform common maintenance chores?
landscape architect
landscape contractor
landscape worker
landscape designer
A woman with B-blood has a baby with AB + blood. What are the two possible blood types (phenotypes) of the father?
Answer:
The father has A+ or AB + phenotypes
Explanation:
Examine the following mutation: ACGGGCAAACGATTG →
ACGGGCAACGATTG. The mutations is
Answer: a frame shift mutation
Explanation:
ACGGGCAAACGATTG to ACGGGCAACGATTG, and the mutation is a deletion mutation, as there is a deletion of the adenine base out of three adenines. as there is a deletion of a single base, ,so it is called a deletion mutation.
What is mutation?This change can have various effects on the resulting protein, depending on the specific location of the mutation within the gene and the role of the affected amino acid in the protein's function. For instance, in a non-coding region of the gene, such a mutation might have no effect at all on the protein, as it would not affect the sequence of the mRNA that is transcribed from the gene. However, if the mutation occurs in a coding region of the gene, it can lead to a change in the resulting protein.
Hence, ACGGGCAAACGATTG to ACGGGCAACGATTG, and the mutation is a deletion mutation, as there is a deletion of the adenine base out of three adenines.
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Slow cooling of magma produce
Answer:
The magma cools very slowly. As magma cools minerals are formed into an interlocking arrangement producing an igneous rock. As magma cools it undergoes reactions that form minerals. The rate of cooling is very important.
Explanation:
hope this helps
Definition: This is a highly developed and specialized organ that is an extension of the central nervous system, and functions to take in information and help send it to the brain. Example: eye, tongue, antennae
Answer:
Sensory Organs
Explanation:
got it correct
Which of the following tests are used to diagnose the presence of HIV? pap smears Western Blot & ELISA Eastern Blot & HISA Pregnancy tests
Answer:
ELISA Eastern Blot
Explanation:
All of the following have been accomplished by space programs except-
A. placing semi-permanent structures in earth’s orbit
B. landing spacecraft on planets other than our own
C. sending spacecraft into orbit that allow us to study the universe in greater detail
D. develop technology and resources capable of sending the general population into space on a regular basis
Answer:
D
Explanation:
Develop technology and resources capable of sending the general population into space on a regular basis.
What is Developmental Technology?L. Mumford presented an intriguing theory regarding the origin of technology, contending that biotechnology gave rise to both machine and gun technology.
Technique is derived from the characteristics of how people behave and, in its earliest forms, is directly tied to the origin of man. It was first and foremost life-focused, and only afterwards was it work-focused.
According to L. Mumford, technique with a focus on power and output developed much later. He held that the impersonal aspects of human adaptability to the outside world are what give origin to technology.
Therefore, Develop technology and resources capable of sending the general population into space on a regular basis.
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Which of the following can be explained as a mathematical formula
A. An observation
B. A Scientific theory
C. A Scientific Law
D. A hypothesis
Answer:
B
Explanation:
The pitcher’s mound in baseball is 85m from the plate. It takes 4 seconds for a pitch to
reach the plate. How fast is the pitch?
Answer:
21.25 m/s
Explanation:
Which of the following pieces of evidence does not explain how mid-ocean ridges are formed?
A. The rocks closer to the ridge are younger than those farther away.
B. Mid-ocean ridges are found on the bottom of most oceans.
C. The magnetic orientation of rocks is symmetrical on either side of mid-ocean ridges.
D. Pictures of ridges show evidence of lava flows.
Answer:
B
Explanation:
i am sorry if this is wrong
The following pieces of evidence does not mid-ocean ridges are formed Mid-ocean ridges are found on the bottom of most oceans.
What is mid-ocean ridges?The central parts of the oceans have mid-ocean ridges. The mid-ocean ridges are volcanic underwater mountain ranges.
There is constant propelling of magma, and as the magma cools off quickly it creates new crust.
This results in the mid-ocean ridges gaining heights of up to 1.5 km above the surrounding area.
So, option B is correct.
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Which of the following is true?
The flow of gases varies directly with airway resistance.
As lung compliance increases, the energy required to breathe increases
Surfactant increases the cohesiveness of water molecules therefore decreasing
the surface tension of the alveolar fluid.
Infant Respiratory Distress Syndrome occurs when there is a lack of surfactant
produced. THis is common in premature infants.
In healthy individuals, friction is a major factor affecting pulmonary ventilation
Answer: Infant Respiratory Distress Syndrome occurs when there is a lack of surfactant produced. This is common in premature infants.
Explanation:
Infant Respiratory Distress Syndrome (RDS) occurs in new born infants whose lungs are unable to produce the enough surfactant to keep their lungs expanded which would enable them to breathe properly after delivery.
It is most common in premature infants because surfactant is produced in the third trimester of pregnancy so premature infants might not get the chance to produce enough before the are delivered. RDS needs to be treated as soon as possible or else a baby could suffer damage to the brain and other vital organs.
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