Answer:
A catalyst is a chemical involved in, but not changed by, a chemical reaction. Many enzymes function by lowering the activation energy of reactions. By bringing the reactants closer together, chemical bonds may be weakened and reactions will proceed faster than without the catalyst.
the foot is ___ to the nose
Answer:
below
Explanation:
what are the options?
Removing groundwater for drinking water will stop the water cycle.
True
False
False, removing groundwater for drinking water will not stop the water cycle.
Groundwater, in essence means water present and existing beneath the rock surface. They are stored in the tiny pores of the rock below the earth surface.
Groundwater are the sources of fresh water resources.Rock are drilled with machine to get access to the groundwater.Groundwater are naturally replenished through precipitation, from rivers, lakes and other water bodies.In conclusion, Groundwater form part of the water cycle because after the use of water, its eventually evaporates to the cloud and discharges back into the ground through the rain, rivers, lakes etc.
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Living things also display ? Which means they are arranged in an orderly way
Answer:
yes this is true. they should be placed in a neat and tidy order so it is easy to find them when needed
Explanation:
Why do you blink
This is what it looks like when you blink with your eyes and mouth
LOL
Ans我们每一个人都在不断地眨眼，正常人每分钟要眨眼10～20次，每次眨眼的时间约0.2～0.4秒
除去睡眠时间，一个人一天要眨眼1万次左右，人体中最忙碌的算是提睑肌了
每次眨眼间隔时间仅4～5秒钟wer:
lanation:
what organelles are found in mouse skin?
The epidermis of alpha-MSH-treated 3-day-old mice and normal 6-day-old mice contained melanocytes with numerous fully melanized melanosomes, and with no or only a few melanoblasts. Changes in other organelles in differentiating melanocytes were also noticeable..
Mice's epidermis had melanocytes with a large number of fully melanized melanosomes but few or no melanoblasts.
What are melanosomes?Melanosomes are tissue-specific organelles that are related to lysosomes and are found in pigment cells. Melanins are generated and stored in melanosomes.
Melanins are complex pigments that give mammals their color as well as photoprotection against ionizing radiation. Melanins are found in the skin, hair, and eyes of mammals. In addition to this, they play a role in the development of the optic nerve system and govern the functions of the retina.
Within the melanocyte or the growing retinal pigment epithelial cell, melanosomes progress through four morphologically distinct phases during the maturation process.
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Which definition best matches the term globalization?
A. The belief that all national groups have the right to control their
own countries
B. The growing connection among economies and societies around
the world
O C. The establishment of powerful empires that control weaker
colonies
D. The increasing acceptance of civil and human rights for citizens of
all countries
Answer:
B
Explanation:
that is the answer to the question
_________ feed on dead matter, causing it to decay while ________ feed on already decaying matter.
A. Decomposers, Consumers
B. Saprobes, Detritivores
C. Producers, Consumers
D. Detritivores, Consume
Answer:
Decomposers, Consumers
Explanation:
Answer:
B) Saprobes, Detritivores
Explanation:
Saprobes derive their nourishment from nonliving or decaying organic matter.
Detritivores feed on dead, organic material and play an important role in the breakdown of organic matter from decomposing animals and plants.
plsss helpppppppppppppppppp
Answer:
100cm^3
Explanation:
ml=cm^3 so 100 cm^3
Desarrollo de los Depósitos ricos en carbono?
Answer:
yes
Explanation:
10. Name the type of tissues present in the following structures.
a. Hair follicles and nails
Answer:
Keratinocytes
Explanation:
Keratinocytes (ker-uh-TIH-no-sites) make keratin, a type of protein that's a basic component of hair, skin, and nails. Keratin in the skin's outer layer helps create a protective barrier.
a- Los organismos quimio autótrofos realizan la fotosíntesis. ( )
b- Las sustancias nutritivas ingresan a la célula por el citoplasma. ( )
c- La nutrición es el conjunto de reacciones químicas que ocurren en el citoplasma
celular. ( )
d- La excreción es una etapa de la fotosíntesis. ( )
e- Todos los organismos realizan la función de nutrición. La respiración hace parte del
proceso de nutrición. ( )
f- Durante el proceso de nutrición hay eliminación de desechos tóxicos. ( )
Answer:
Konica Minolta
upgrah ko kxa
ksh barkha singh
onichan baka bi
Cells that move around as the formless Protista amoebas do are called what?
Answer:
protists
Explanation:
Modern inventions and discoveries:
A.support Scripture and creation
B. support the idea of evolution
C. do not relate to Scripture
D. falsify Scripture
Answer:
B
Explanation:
What enzyme breaks down starch in your saliva?
pepsin
trypsin
lipase
amylase
Answer:
D
Explanation:
It is the amylase, or rather alpha-amylase
Many people are proponents of using nuclear power instead of burning coal to generate electricity what is an environmental disadvantage of using nuclear power
Answer:
sdakhBmkhjsbaK>HJB
Explanation:
sakjZBCK.jh
What is cell ? What are the functions of cell ?
Answer:
in biology, the smallest unit that can live on its own. and that makes up all living organisms and tissues of the body . a cell has three main parts ; the cell membranes , the nucleus, and the cytoplasm.
Explanation:
functions of cell are :
they provide structure for the body, take in nutrients from food, convert those nutrients into energy and carry out specialized functions. cells also contain the body's heredtary matera amd can make copies of themselves. cell have many parts each with different function.
Which of the following would require an input of energy? Question 5 options: a) diffusion b) filtration c) osmosis d) vesicular transport
Answer:
Which of the following would require an input of energy? Question 5 options: a) diffusion b) filtration c) osmosis d) vesicular transport
Explanation:
vesicular transport
Vesicular transport is the process that would require an input of energy.
Vesicle-mediated transport is the transport process that involves vesicles or vacuoles that form from or fuse with the cell membrane.
Transport vesicles interact indirectly with microtubules through proteins that have the ability to move and are known as dyneins and kinesins. These proteins transform the energy of ATP into movement in a certain direction.
The transport vesicles use microtubules to travel directly and quickly to their destination.
It can be done in two parts:
• Exocytosis: when a vesicle reaches the cell surface, its membrane fuses with the cytoplasmic membrane and expels its contents to the outside.
• Endocytosis: the material that will be incorporated into the cell induces an invagination of the membrane, producing a vesicle that encloses the substance.
Therefore, we can conclude that vesicular transport is the process that would require energy which is obtained from the transformation of ATP.
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The dental assistant is taking the vital signs of a 62 year-old woman who has severe toothache, Her temperature using the digital thermometer is 101 F. Her blood pressure is 100mm Hg systolic over 70 mm Hg diastolic.Her pulse reading is 75 beats per minute. Which vital signs taken by the dental assistant are not within the normal range? What is the likely cause of the abnormal reading? What characteristic of a digital thermometer should the assistant keep in mind when using it ? How should the dental assistant respond to this information about the patients vital signs?
The normal temperature range is from 97 F to 99 F in adults. Any value obtained which is above 100F is considered as abnormal.
2. The likely cause of the abnormal reading is fever
The symptoms of the severe toothache includes the following:
fever (above 100F) and headachesever pains when pressure is applied to the tooth.swelling of gum surrounding the affected tooth.3. The characteristics the assistance needs to keep in mind while using the digital thermometer is the timing of the thermometer. Digital thermometer reading is taken after 40 seconds of insertion. this is not so with the normal mercury thermometer.
4. The dental assistance needs to notify the dental doctor concerning the abnormal temperature of the old woman. this will help in further diagnosis to be carried out towards the treatment of the severe toothache.
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what is the primary job of golgi tendon organ? is it sense of pain or protect against injury
Answer:
When people lift weights, the golgi tendon organ is the sense organ that tells how much tension the muscle is exerting. If there is too much muscle tension the golgi tendon organ will inhibit the muscle from creating any force (via a reflex arc), thus protecting the you from injuring itself.
Answer: protect against injury
The Golgi tendon organ is a proprioceptive sensory receptor organ that senses changes in muscle tension. If there is too much muscle tension the organ will inhibit the muscle from creating any force, thus protecting itself from injuring.
What does a molecule have?
Explanation: a molecule has 2 or more atoms bonded chemically by various methods like ion and covalency
what were necessary for a person to be happy and healthy?
What could happen to a person to make him ill? What
could be done to cure him?
Answer:
A person needs to have a quality and stress-free life to be happy and healthy.
A person will be ill if he/she is physically and mentally ill.
A person should be physically, mentally, and socially fit and fine to be cure.
In the context of a scientific experiment, what is a control group?
A) a group that is treated differently from others except for the variable being tested.
B)a group that is treated the same as other groups except for the variable being tested.
C)a group assembled only under environmentally controlled conditions.
D)a group treated the same as others except that it has fewer subjects.
Answer:
B. A group that is treated the same as other groups except for the variable being tested.
In the context of a scientific experiment, a control group is a group that is treated the same as other groups except for the variable being tested.
what is scientific experiment ?The scientific experiment can be defined the test the hypothesis from observation and it is the foundation of the scientific method.
There are different steps involve in scientific method and the steps are Making observations, form the hypothesis, design and conduct experiment, evaluation of results, both accept or reject the hypothesis.
variable is the factor which will be compulsorily added to an experimental set up such as dependent, independent and controlled variables.
An independent variable is the parameter which can not influenced by other factor while it can change other factor where as A dependent variable depend on other variable and it can be changed by the influence of independent variable.
Control variable which remain constant can not be changed, but it is important as it prevent bias from the result of experiment.
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explain the disadvantage in terms of energy loss when humans eat beef rather than legumes
Answer:
Katha Ko Bajja Muchi Ko Chora
The main disadvantage in terms of energy loss when humans eat beef rather than legumes is the inefficiency of energy transfer.
When humans consume beef, they are consuming meat from animals that have themselves consumed plant-based foods. However, energy is lost at each step of the food chain. Plants capture energy from the sun through photosynthesis and convert it into organic compounds.
When animals consume plants, only a fraction of that energy is transferred to the animal's tissues, as some is used for metabolic processes, movement, and other functions.
Therefore, when humans consume beef, they are indirectly obtaining energy from plants but at a much lower efficiency. If humans were to consume plant-based foods directly, such as legumes, they would bypass the energy loss that occurs in the conversion of plant energy to animal energy. Legumes are protein-rich plant sources that can provide comparable amounts of nutrients and energy without the same level of energy loss.
By opting for legumes instead of beef, humans can have a more efficient and sustainable use of energy resources, reducing the environmental impact associated with livestock production and utilizing plant-based sources more directly.
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How is biotechnology useful for society?
Answer:
Like all technologies, biotechnology offers the potential of enormous benefit but also potential risks.
Biotechnology could help address many global problems, such as climate change, an aging society, food security, energy security and infectious diseases, to name just a few.
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Decomposers chemically breakdown
dead plant and animal materials. What
are the two major groups of
decomposers?
A. snails and fungi
B. crabs and lobsters
C. fungi and bacteria
Answer:
C. Fungi and Bacteria
Explanation:
because I am smart
Which of the following statements about eukaryotic RNA is true?
O -A small cap of extra nucleotides is added to both ends of the RNA.
O -The modified RNA molecule is transported into the nucleus.
-Exons are spliced together.
-Introns are not transcribed from DNA to RNA.
Answer:
A small cap of extra nucleotides is added to both ends of the RNA
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The statement 'exons are spliced together' is TRUE. The exons are the coding regions of genes.
RNA splicing is a eukaryotic mechanism by which non-coding sequences of genes called 'introns' are removed from the precursor messenger RNA (pre-mRNA), whereas protein-coding sequences called 'exons' are spliced together.These gene coding sequences (exons) are spliced together by a macromolecular complex known as the spliceosome.In consequence, a pre-mRNA is converted into a mature mRNA, which is subsequently used for protein synthesis.In conclusion, the statement 'exons are spliced together' is TRUE.
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How is the Nucleus like a brain?
Answer:
The nucleus contains the DNA of the cell which can be thought of as the brain of the cell.
The nucleus responds to stimuli via receptors which can be primary or secondary. Basically, an external ligand (hormone, protein, nutrient, etc) binds to the surface receptor of a cell, this, in turn, causes the receptor to release a messenger (most of the time circular AMP (cAMP)) which binds to a secondary receptor which is either directly inside the nucleus or on the nuclear envelope. Finally. the portion of the DNA which is responsible for the protein to respond to the ligand is activated and begins transcription.
The activated DNA section (gene) produces mRNA which in turn produces a protein in response to the ligand.
On top of this, the entire cell cycle of rest, growth, and division is controlled by the nucleus.
What is the rule for making a atom positive/+ion?
Answer:
Ions are formed when the number of protons in an atom does not equal the number of electrons. If more protons are present, the ion is positive and is known as a cation; if more electrons are present, the ion is negative and referred to as an anion.
Explanation:
giving brainlist to the correct answer !!
______________________
models can represent things that are too far away or to small to see
true or false?
Answer:
True
Explanation:
giving brainlist to the correct answer !!
______________________
Scientific laws can be thought of as general descriptions of what we see happening around us.
true or false?
Answer is TRUE
Scientific laws can be thought of as general descriptions of what we see happening around us.