Which type of tissue allows for coordination and control of movement?
muscle
epithelial
nervous
connective
De
Answer:
c
Explanation:
Nervous tissue is part of the nervous system that is present in nerves, brain, and spinal cord. By transmission of electrical impulses throughout body, it helps in controlling various activities like voluntary action such as walking, running, and jumping. Thus, nervous tissue is the right answer.
Neurotransmitters that open Na+ channels and trigger action potentials in receiving cells are called
a. Inhibitory
b. Cross-linked
c. Excitatory
d. Blocked
e. Obligatory
The correct option is (c). Neurotransmitters that open Na+ channels and trigger action potentials in receiving cells are called Excitatory.
Neurotransmitters that open Na+ channels and trigger action potentials in receiving cells are called Excitatory. Na+ ion channels get opened by Excitatory neurotransmitters, such as glutamate or acetylcholine, allowing positively charged ions to flow into the cell. As a result, a membrane potential changes in an excitatory direction, which raises the likelihood of the target neuron firing an action potential. An action potential is a brief but substantial change in the voltage of a neuron that travels down the neuron's axon, resulting in the release of neurotransmitters from the axon terminal, which stimulates downstream neurons. They are responsible for propagating signals across the synapses that connect neurons. In conclusion, these neurotransmitters that open Na+ channels and trigger action potentials in receiving cells are called excitatory, and they play an important role in the transfer of information between neurons.
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Choose the best answer.
Crossing over is important because it creates
A)gene splicing
B)new breed
C)genetic diversity
D)zygote
E)double helix
which of the following choices reflects the appropriate order of locations through which a protein destined for the plasma membrane travels?
The order of locations through which a protein destined for the plasma membrane travels is Golgi apparatus, Endoplasmic reticulum.
Protein trafficking refers to the process by which proteins are transported to their destination after synthesis. Following translation, a protein is conveyed to the Golgi apparatus through vesicular transport. The transport is mediated by coat proteins and small GTPases. Once a protein is in the Golgi, it is sorted to its final destination. Proteins destined for the plasma membrane travel through the trans-Golgi network and finally reach the plasma membrane.In eukaryotic cells, the endoplasmic reticulum (ER) is the organelle where the majority of secretory and membrane proteins are synthesized. The ER is also the site of post-translational modifications like folding and glycosylation, which are necessary for the proteins to attain their correct conformations. It is in the rough endoplasmic reticulum that secretory proteins, such as those for export outside of the cell, are synthesized.
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True or false
Prokaryotic cells can’t replicate DNA, because they do NOT possess nuclei.
Answer:
False
Explanation:
Prokaryotes do have their genomic DNA concentrated and localized to a small area within the cell (nucleoid region). So it's not entirely accurate to say that prokaryotes don't have a nucleus.
Answer:
true
Explanation:
prokaryotics are cells without nucleus
IITIUIT! 2. Whịch kingdoms have organisms that can make their own food?
Help
Plants make sugar from sunlight through ______.
A. Phloem
B. photosynthesis
C. Xylem
D. osmosis
Answer:
B. Photosynthesis
Explanation:
Photosynthesis is the process plants go through to make glucose, also known as sugar.
A football team lost 14 yards on their first play then lost another 7 yards on the next play. what internet represents the total change in yards for the two plays?
Answer:
-21
Explanation:
Guessing autocorrect took "integer" and put in "internet"?
- 14 yards -7 yards = -21 yards
Lungs, Trachea, Diaphragm, Nose: Which organ system do these belong to?
Circulatory
Excretory
Digestive
Musculoskeletal
Respiratory
Answer:
Respiratory
Explanation:
they all come together and help with breathing and oxygen :)
Answer: respiratory system
Explanation:
State and describe three major factors that lead to reef erosion.
Reef erosion has occured due to overfishing, pollution and unsustainable forms of tourism, among other reasons.
Due to the increasing pollution, there are a number of toxicants and pollutants released in the air and water. As a result, there can be an increase in the growth of algae and other organisms that can hinder the growth or destroy the reefs.
Overfishing is also harmful to the coral reefs. Fishing nets left as debris cause entangling of the live corals which tears them away from their bases. The anchors used for fishing also can break and ruin coral reef colonies.
Increased tourism also adversely affects coral reefs. Irregukarized building of hotels and tourist places, irresponsible business management as well as irresponsible behavior of tourists also poses a threat to reefs.
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which of these is a product of photosynthesis and a requirement for cellular respiration? a) carbon dioxide b) glucose c)water d) sunlight
Answer:
b.) glucose
Explanation:
Hello There!
These are the products and requirements for both Photosynthesis and Cellular Respiration
For Photosynthesis
What is required: Sunlight, Carbon Dioxide and Water
The products: Oxygen and Glucose
For Cellular Respiration
What is required: Glucose and Oxygen
The products: Water and Carbon Dioxide
Now that we have some background information about the products and what is required lets look back at the question
which of these is a product of photosynthesis and a requirement for cellular respiration?
Out of the answer choices the correct one would be Glucose.
Glucose is indeed a product of photosynthesis and Glucose is also required for Cellular respiration to take place
Answer:
B. Glucose
Explanation:
find a click the arrow that represents the direction in which the mRNA. like DNA mRNA is always built from the 5 direction to the 3 graph
Answer: the right
Explanation:
I jus did it rn
the top arrow . the arrow to the right
What evidence would be crucial in a forensic anthropologist's investigation?
bruised muscle around one shoulder
several bone fragments located at the back of the head
the name of the person who inflicted to injury
the pool of blood under the body
PLS HELP!!?!?? (ᗒᗣᗕ)՞
Answer: 25% red 25% white 50% pink
How can it affect ph and oxygen levels in a body of water?
Changes in pH and oxygen levels can have significant impacts on the health and balance of a body of water.
High or low pH levels can disrupt the natural habitat, affecting aquatic organisms and their ability to survive and reproduce. Similarly, low oxygen levels, known as hypoxia, can lead to the death of fish and other aquatic species.
pH levels in water indicate its acidity or alkalinity. High or low pH can alter the chemical balance and affect the physiology of aquatic organisms, including fish, plants, and invertebrates. Extreme pH levels can hinder the reproductive success of some species and disrupt the food chain dynamics.
Oxygen levels in water are crucial for the survival of aquatic life. Dissolved oxygen supports respiration in fish and other organisms. Low oxygen levels, known as hypoxia, can occur due to factors like excessive organic matter decomposition or algal blooms. Hypoxia can lead to fish kills, as the lack of oxygen prevents fish and other species from obtaining sufficient oxygen for survival.
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Which of the following statements about the population in this graph is true?
It is increasing slowly.
It is increasing rapidly.
Answer:
It is increasing rapidly.
here is your answer
don't forget to give some hearts
Explanation:
The statement which is true about the population in this graph is that it is increasing rapidly. Thus, the correct option for this question is B.
What is a Population?A population may be defined as a group of individuals belonging to the same species living in the same area at a definite time. The size, density, birth rate, death rate, and abundance, are some characteristics of a population. These characteristics of the population are known as demographic factors.
According to the context of this question, the axis of the graph is increasing very rapidly. It determines the rate of population towards rapid growth. The growth of any population depends on various factors such as space, food, resources, mating partners, availability, etc.
Therefore, the statement which is true about the population in this graph is that it is increasing rapidly. Thus, the correct option for this question is B.
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normal components and a messenger rna (mrna) with the sequence 5′−uuuugccauguuugugcu−3′. what is the sequence of the radiolabeled peptide renata produces?
The sequence of the radiolabeled peptide produced by Renata can be determined by translating the mRNA sequence using the genetic code. The genetic code is a set of rules that specifies how the sequence of nucleotides in mRNA is translated into the sequence of amino acids in a protein. Each three-nucleotide sequence, called a codon, corresponds to a specific amino acid or a stop signal.
The mRNA sequence provided is 5′−UUUUGCCAUGUUUGUGCU−3′. To determine the sequence of the radiolabeled peptide produced by Renata, we can use the genetic code to translate the mRNA sequence into the corresponding amino acid sequence. Each codon in the mRNA sequence codes for a specific amino acid, and the sequence of codons determines the order of amino acids in the peptide chain. Using the genetic code, we can translate the mRNA sequence into the corresponding amino acids. Starting from the 5' end of the mRNA sequence, the codon UUU codes for the amino acid phenylalanine (Phe). The codon GCC codes for the amino acid alanine (Ala), and so on. By translating each codon, we can determine the sequence of amino acids in the peptide produced by Renata. Therefore, based on the provided mRNA sequence, the radiolabeled peptide sequence produced by Renata would be Phe-Ala-Met-Leu-Cys.
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Geranium leaves grow in positions that permit the optimum use of light as a result of
Answer:
do you work stop cheat broo this evan btw
Explanation:
Geranium leaves are typically arranged in a way that allows for optimal use of light through a process called "heliotropism" or "solar tracking."
What is heliotropism?Heliotropism is the ability of plants to orient themselves towards the direction of the sun to optimize their exposure to light.
Geranium leaves are arranged in a rosette pattern, with each leaf emerging from the base of the stem and spreading outwards. The leaves are arranged in a way that maximizes their surface area while minimizing shading of other leaves. This arrangement allows the leaves to capture the maximum amount of sunlight possible.
Additionally, geranium leaves have a waxy cuticle that helps to prevent excessive water loss and damage from UV radiation. The leaves also have chloroplasts, which contain chlorophyll and are responsible for photosynthesis, the process by which plants use sunlight to produce energy.
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a major difference between fetal blood flow and adult blood flow is that in the fetus thegroup of answer choicesinternal iliac arteries are known as umbilical arteries.inferior vena cava contains blood high in oxygen.pulmonary artery delivers blood to the lungs.femoral vein contains blood low in oxygen.
A major difference between fetal blood flow and adult blood flow is that in the fetus the internal iliac arteries are known as umbilical arteries. The inferior vena cava contains blood high in oxygen, and the pulmonary artery delivers blood to the lungs.The circulatory system is responsible for blood flow in the human body.
Blood circulation is divided into two distinct phases: fetal blood flow and adult blood flow. The fetus has a unique blood flow system. Oxygen and nutrients are provided to the fetus by the umbilical cord.The internal iliac arteries are the primary vessels that supply blood to the fetal pelvis and lower limbs. These arteries become known as the umbilical arteries in the fetus. The umbilical cord carries oxygenated blood from the placenta to the fetus and returns deoxygenated blood to the placenta.The inferior vena cava (IVC) is a major vein that carries deoxygenated blood from the lower half of the body to the right atrium of the heart in adults. Blood with high oxygen content is found in the IVC in the fetus.
The pulmonary artery carries deoxygenated blood from the heart to the lungs, whereas the pulmonary veins transport oxygenated blood from the lungs to the heart. Blood with low oxygen content is found in the femoral vein of the adult body.Fetal blood flow and adult blood flow differ significantly. The umbilical cord in the fetus carries oxygenated blood from the placenta to the fetus and returns deoxygenated blood to the placenta. The internal iliac arteries supply blood to the fetal pelvis and lower limbs. The inferior vena cava carries blood high in oxygen, while the pulmonary artery carries blood low in oxygen. The femoral vein carries blood low in oxygen in adult circulation.
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In the film, what challenges are identified that correlate to population growth?
The challenges that are identified in the film which correlate to population growth are:
OverpopulationEnvironmental degradationWhat resulted from population growth according to the film ?When there are too many people in a given area, it can lead to a number of problems, such as shortage of resources, such as food, water, and shelter. This can lead to conflict and violence as people compete for resources. It can also lead to the spread of disease, as more people are in close contact with each other.
Population growth can also lead to environmental degradation, as more people put a strain on natural resources. This can lead to problems such as deforestation, climate change, and loss of biodiversity.
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The film name is The Day After Tomorrow.
In eukaryotes, transcription factors and enhancer sequences are used to regulate transcription. Classify the following statements as true or false. TRUE ___
FALSE ___
- Transcription factors bind to the entire enhancer sequence. - Enhancer sequences are composed of DNA base pairs - Enhancer sequences directly alter transcription levels. - Transcription factors always decrease transcription levels. - Enhancer sequences can be located thousands of base pairs downstream from the transcription start site.
Eukaryotic repressors bind to specific DNA sequences and prevent transcription, just like their prokaryotic counterparts. Hence (b) and (c) are true and (a), (d) and (e) are false.
A true statement is that enhancer sequences can be found thousands of base pairs after the transcription start point. DNA base pairs make up enhancer sequences. False: Enhancer sequences modify transcription levels directly. Levels of transcription are always increased by transcription factors. The whole enhancer sequence is where transcription factors bind. Enhancer regions, in addition to promoter sequences, aid in enhancing transcription. Enhancers may exist upstream, downstream, inside a gene, on different chromosomes, or anywhere in between. Enhancer areas are where transcription factors bind to promote or inhibit transcription. Both transcriptional activators and repressors control gene expression in eukaryotic cells.
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In eukaryotes, transcription factors and enhancer sequences are used to regulate transcription. Classify the following statements as true or false. TRUE ___
FALSE ___
a. Transcription factors bind to the entire enhancer sequence.
b. Enhancer sequences are composed of DNA base pairs
c. Enhancer sequences directly alter transcription levels.
d. Transcription factors always decrease transcription levels.
e. Enhancer sequences can be located thousands of base pairs downstream from the transcription start site.
what are the two main gases in the earth's atmosphere today?
nitrogen and oxygen r the main gases in the earths surface of atmosphere today in common
Answer:
n & O
Explanation:
nitrogen and oxygen
During the development phase of an intervention, which type of validity is especially salient?
A. Statistical conclusion validity.
B. External validity.
C. Construct validity.
D. Internal validity.
During the development phase of an intervention, construct validity is particularly important in ensuring the accurate assessment and representation of the underlying theoretical constructs.
In the development phase of an intervention, the focus is on establishing the theoretical foundation and refining the intervention to effectively address the intended constructs. Construct validity becomes salient as it ensures that the intervention accurately captures and measures the desired constructs. This involves defining the constructs clearly, selecting appropriate measurement tools, and establishing a strong theoretical framework.
By prioritizing construct validity during development, researchers and developers can lay a solid foundation for subsequent evaluation and implementation stages, ensuring that the intervention is meaningful, aligned with its goals, and capable of addressing the intended constructs effectively.
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Bluebells in Different Locations
Plants known as bluebells exist in England,
Scotland, and the United States. In each of
these locations, however, the plant known as
a bluebell is very different from the plants
called bluebells in the other two locations.
Which of these is demonstrated by the information above?
O a
b
The need for controlling variables in experiments
The need for classifying and naming organisms scientifically
The importance of predicting trends from scientific data
The importance of questioning experimental evidence
c
Od
Answer: The need for classifying and naming organisms scientifically
Explanation:
Which of the following organs are involved with chemical digestion?Which of the following organs are involved with chemical digestion?
mouth, pancreas, stomach, small intestine
stomach, pancreas, pituitary, large intestine
esophagus, liver, small intestine, large intestine
small intestine, gall bladder, kidneys, mouth
Answer: Chemical Digestion = mouth, pancreas, stomach, small intestine
Explanation: Hope this helps!
Answer:
Chemical Digestion = mouth, pancreas, stomach, small intestine
Explanation:
Which of the following explains why cattle should not be given apples?
Apples cause bloat in cattle,
Apples cannot be digested by cattle,
Apples lead to infertility in cattle,
Apples contain insufficient nutrients for cattle
Answer:
"Cows that eat apples can get a bloated stomach and die. But that's not what's happening when your cattle feed on apples fallen on the ground or those that you offer them to diversify their diet. ... So, if you plan to introduce apples into your cows' diet, do so gradually."
So your best choice is option A!
Explanation:
- Eijiro <3
Using the karyotype below and the chart from the last screen:
A. Determine the sex of the patient
B. State the total number of chromosomes of the patient
Diannose the patient.
Throughout the year, areas of the Earth's surface are either tilted away from the Sun or toward the Sun. This is a result of the Earth tilting on its axis. What is the main impact of this phenomenon?
A. It causes tides.
B. It generates winds.
C. It produces seasons.
D. It influences ocean currents.
What is the meaning of STEM
Answer:
Science, Technology, Engineering, and Math.
Answer:
problem solving creativity critical analysis
STEM is an approach to learning and development that integrates the areas of science, technology, engineering and mathematics. Through STEM, students develop key skills including: problem solving. creativity. critical analysis.
Explanation:
This should help! Have a great day!!
Beneficial bacteria are found in our digestive tract
A. true
B. False
please help
I will give brainliest and 5 * and 10 points for the best answer
I don't want to see an link if I do you will be reported