Answer:
Here is your answers hope I helped!
Explanation:
Here are some reasons why we need to sleep.
If you don't sleep enough or sleep well it's going to cause types of headaches, insomnia, or other types of syndromes etc, this could also lead to stress and anxiety.
If you sleep well your body and muscles well be healthy and relaxed, it also depends how much hours you sleep if you oversleep too much it could led to narcolepsy
Stages
The first stage of sleep, known as light stage sleep, is one of the shortest, lasting five to ten minutes on average. In this stage, the mind and body begin to 'slow down,' causing us to feel drowsy and relaxed.
Stage 2 and stage 3 can have light or deep Slow waves, delta sleep, or deep sleep it depends.
Stage 4 which is the last stage is called the REM or aka rapid eye movement, this stage causes your brain activity to increase and this stage is where you might be dreaming the most.
when the lac repressor protein binds to lactose, why does it fall off its binding site at the operator?
Answer:
English is not my native language so sry if there's any grammaticaly mistake
Explanation:
cuz it changes its shape and forme u got that?!
Lactose falls off its binding site at the operator because the allolactose binds to the repressor causing it to fall off the operator side.
What do you mean by Lac repressor?Lac repressor prevents the transcription of genes involved in lactose utilization in E. coli, such as lac genes.
When lactose becomes available a small amount of it is taken up by lactose permease and converted to allolactose by the enzyme beta-galactosidase.
Therefore, Lactose falls off its binding site at the operator because the allolactose binds to the repressor causing it to fall off the operator side.
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Is there any specialized cells in a white rhino?
Answer:
Neurons and cartilage.
How to calculate allele frequency.
Answer:
by dividing the number of times the allele of interest is observed in a population by the total number of copies of all the alleles at that particular genetic locus in the population
Which is the most practical approach that can be done by anyone to reduce dependence on nonrenewable energy sources
The most practical approach that can be done by anyone to reduce dependence on nonrenewable energy sources are solar panels, electric vehicles, and energy-efficient appliances.
What do you mean by Nonrenewable energy?Non-renewable energy may be defined as that energy that will run out or will not be replenished for thousands or even millions of years.
Increase the use of electric and hybrid vehicles, install solar panels in a large amount, excessive use of energy-efficient appliances in the home, and the three R's are the most practical approach that can be done by anyone to reduce dependence on nonrenewable energy sources.
Therefore, it is well described above.
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enzymes are specific they will only fit with certain substrates explain why lactase can digest lactose but cannot digest other sugars like maltose and sucrose
Explanation:
your small your small intestines can't absorb either lactose or maltoseyou use different enzymes to digest the two sugars lactase break down lactose why an enzyme called sucrase-isomaltase breaks down maltose because enzyme are so specific with regard to function you can't break down maltose with lactose or vice versa
Lactase breaks down only lactose in food in our body can absorb it not maltose and sucrose as enzymes are specific in nature.
what are the properties of an enzyme ?Enzymes are protein which act as a catalysts and speed up the rate of biochemical reactions with out changing the structure of the final product.
Enzymes can control the speed and specificity of the chemical reaction, and the rate of biochemical reaction often influences enzymes and they can take place at a relatively low temperature; it lower the activation energy.
The enzyme activity pH specific, that is at a particular pH, each catalyst is most active for example at PH 2 for pepsin, pH 8.5 for trypsin, for example.
Both enzymes have active sites which can activate biochemical reactions. It is soluble in water, dilute glycerol, NaCl, and dilute alcohol.
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Newly hatched birds that lack down and are nest-bound, unable to feed on their own, as with baby wrens or robins, are Group of answer choices carinate. altricial. derived. ratites. precocial.
Newly hatched birds that lack down and are nest-bound, unable to feed on their own, as with baby wrens or robins, are ALTRICIAL. These species include hummingbirds, swallows, passerine birds, woodpeckers, etc.
In altricial species, young individuals are underdeveloped at birth, thereby needing the help of parents to mature and develop into adult individuals.
Conversely, precocial species are species in which young individuals are mature and mobile from the moment of birth.
Most domestic species of birds (i.e., ducks, turkeys, chickens, etc) have a precocial type of development.
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what are the characteristics of a visceral reflex?
Answer:
Visceral reflexes involve a glandular or non-skeletal muscular response carried out in internal organs such as the heart, blood vessels.
Explanation:
After cytokinesis I of meiosis, the chromosomal makeup of each daughter cell is…?
a) haploid, and the chromosomes are each composed of a single chromatid
b) haploid, and the chromosomes are each composed of two chromatids (which might be unique due to cross over)
c) diploid, and the chromosomes are each composed of two IDENTICAL chromatids
d) haploid, and the chromosomes are each composed of two IDENTICAL chromatids
e) tetraploid, and the chromosomes are each composed of two chromatids (which might be unique due to cross
over)
f) diploid, and the chromosomes are each composed of two chromatids (which might be unique due to cross over)
What is an allele? View Available Hint(s)for Part A a variety of pea plant used by Mendel an alternative version of a gene the recessive form of a gene the dominant form of a gene a type of chromosome
Answer:
An allele is one of two (or more) versions of a gene. Each individual inherits one allele from each parent. Alleles code for different trait an individual has, such as eye color, skin color, hair type, etc.
Explanation:
What is the citric acid cycle.
Answer:
Citric acid cycle also known as the Krebs cycle, is the second stage of the three-stage process by which living cells break down organic fuel molecules in the presence of oxygen to harvest the energy they need to grow and divide.
A polar covalent bond is a bond between
a. two polar molecules.
b. two atoms that share electrons unequally.
c. two atoms that share electrons equally.
d. two oppositely charged ions.
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The Correct choice is ~
two atoms that share electrons unequallyAll of the components in the list below exist in either the mitochondria, the chloroplast or they can be found in either. Match up the components to the organelle in which they exist.
Answer:
the answer is that there is no liat
THIS IS THE PICTURE
Answer:
looks yummy
Explanation:
What is that btw hahaha
Describe a bacteria cell and what makes it different from eukaryotic cells?
Answer:
Bacteria is like eukaryotic cells they have cytoplasm, ribosomes, and a plasma membrane. Features that make a bacterial cell different from a eukaryotic cell the circular DNA of the nucleoid, the lack of membrane bound organelles, the cell wall of peptidoglycan, and flagella.
Explanation:
True or false: Tonic contraction of smooth muscle in blood vessels is important in maintaining blood pressure.
Red blood cells do not have a nucleus but the ____ has a lot of haemoglobin to carry more oxygen.
Answer:
Red blood cell has lot of haemoglobin to carry more oxygen
how long do monoclonal antibodies stay in your system
Answer:
They are effective for a month and gone after 6 months. not sure if that's an answer choice but that's what I got.
Explanation:
what is the function of circuit breakers and fuses?
Answer:
Fuses and Circuit Breakers both serve the same purpose – which is to protect electrical circuits by preventing overloads that can cause fires. They both interrupt the flow of electricity, but in very different ways from each other. While a fuse is made of a piece of metal that melts when overheated, circuit breakers on the other hand, have internal switch mechanisms that can be tripped by an unsafe surge of electricity.
Fuses can be quicker for interrupting the flow of power, but when they melt they must be replaced; circuit breakers on the other hand just need to be reset. When comparing the two, we’ll take a look at some of the major advantages and disadvantages between fuses and circuit breakers to distinguish between them.
Answer:
Fuses and Circuit Breakers both serve the same purpose – which is to protect electrical circuits by preventing overloads that can cause fires. They both interrupt the flow of electricity, but in very different ways from each other
Explanation:
Hope I could help
Please mark as brailiest
Item 3
Which statement is true of chloroplasts?
They transport glucose into the cell.
They are present in animal cells, but not in plant cells.
They convert light energy into chemical energy.
They convert the energy in glucose into a more usable form.
Answer:
They convert light energy into chemical energy.
Explanation:
Complete this sentence. The increased ________ in ocean waters has decreased its pH, making it more acidic.
nitrogen
carbon
salt
heat
Answer:
Carbon?
Explanation:
I remember that carbon can be toxic if it's increased
Answer:
carbon
Explanation:
at what point during meiosis do homologous chromosomes pair up?
Answer:
Prophase 1
Explanation:
In prophase 1, homologous chromosomes pair up and exchange sections of DNA in a process called crossing over.
Which of the following is an example of nonpoint source pollution caused by burning of
fossil fuels such as coal?
O acid rain
eutrophication
O aquifer depletion
O stormwater runoff
Explanation:
Acid rain eutrophication
Acid rain eutrophication is an example of nonpoint source pollution caused by burning of fossil fuels such as coal.
What is meant by eutrophication?Acid rain eutrophication occurs when the environment becomes enriched with nutrients, increasing the amount of plant and algae growth to estuaries and coastal waters.
What is eutrophication and its causes?Eutrophication is characterized by excessive plant and algal growth due to the increased availability of one or more limiting growth factors needed for photosynthesis .
Hence, A is correct option
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Research and produce a summary about the history of the microscope.
please help me ill give brainliest <3
Answer:
1.O=1 H=2
2.C=1 O=2
3.O=2
4.C=6 H=12 O=6
Explanation:
Not sure what the 6 in front of the first 3 mean,maybe you multiple them six times for the question? not sure if it even means something though.
Match the vitamin deficiencies and their symptoms.
depression
dry skin and nails
excessive bleeding
A
B6
K
Answer:
depression: B6
dry skin and nails: A
excessive bleeding: K
Tucker and Micayla are conducting an experiment about cellular respiration. The purpose of their experiment is to find out if plant cells utilize celluid!
respiration in addition to photosynthesis. They begin by filling one test tube with glass beads, one with dried (non-germinating) peas, and one with
peas that have been soaked and have begun to germinate
Glass beads Dry peas Germinating peas
growth and reproduction pipettes carbon dioxide
eat
make
oxygen
Look at the diagram. A product of cellular respiration is
A reactanto cellular respiration is
energy for
The differences that plants first
respiration, whereas animals must
which can escape from the test tubes through the
which will be used up. Plants, like animals, need
food that later undergoes cellular
food
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Cellular respiration is commonly described as a metabolic pathway that reduces glucose and produces ATP. The answers are in the bullet point below:
The test group will undergo cellular respiration is the germinating peas. This is because they have been placed in an environment/conditions aid or start to grow. This implies hat they are the only test group that can under cellular respiration. They ATP for their growth. A product of cellular respiration is carbon dioxide, which can escape from the test tubes throw the pipettes. A reactant of cellular respiration is oxygen, which will be used up. Plants, like animals, need energy for growth and reproduction. The difference is the plants first make, food, then undergo cellular respiration, whereas animals must eat, food, then undergo cellular respiration to make the energy from food available.In Cellular respiration process, organisms utilizes the oxygen so as to break down food molecules and in turn produce chemical energy for cell functions.
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Tucker and Micayla are conducting an experiment with cellular respiration. The purpose of their experiment is to find out if plant cells utilize cellular respiration in addition to photosynthesis. They begin by filing one test tube with glass beads, one with dried (non-germinating) peas, and one with peas that have been soaked and have begun to germinate. Look at the diagram. Predict which test group will undergo cellular respiration and explain why.
product of cellular respiration is __________, which can escape from the test tubes throw the ________. A reactant of cellular respiration is ________, which will be used up. Plants, like animals, need energy for ______. The difference is the plants first ________, food, then undergo cellular respiration, whereas animals must _______, food, then undergo cellular respiration to make the energy from food available.
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type of cells that do not have a nucleus or membrane-enclosed organelles.
Prokaryotes are organisms whose cells lack a nucleus and other organelles. Prokaryotes are divided into two distinct groups: the bacteria and the archaea, which scientists believe have unique evolutionary lineages. Most prokaryotes are small, single-celled organisms that have a relatively simple structure.
True or false: Theoretically, it is possible (but very difficult) for a population to not evolve for a while.
It is true that it is possible for a population to not evolve for a while.
There is something called the Hardy-Weinberg theorem, which characterizes the distributions of genotype frequencies in populations that are not evolving.
There are 5 Hardy-Weinberg assumptions:
no mutation random mating no gene flow infinite population size and no selection (natural nor forced).You can see that some of these are kinda extreme and really hard to get, but with approximations, we can work.
For example, instead of an "infinite population size" we have enough with a really large population, such that genetic drift is negligible.
Concluding, yes, it is possible (but really difficult) for a population to not evolve for a while (at least, in nature), as long as the 5 assumptions above are met.
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What happens when an action potential is produced with a signal that is stronger than threshold?
A)
weaker action potential generated
B)
no action potential generated
C)
action potential has same strength as threshold
D)
stronger action potential generated
Answer:
C) action potential has same strength as threshold
Explanation:
What happens when an action potential is produced with a signal that is stronger than threshold action potential has same strength as threshold
When an action potential is produced with a signal that is stronger than the threshold, the resulting action potential is typically stronger or more intense compared to a standard action potential. The answer is D) Stronger action potential generated.
The threshold is the minimum level of depolarization required to initiate an action potential in a neuron. If the signal surpasses the threshold, it means that the depolarization is greater than what is necessary to trigger the action potential.
When a stronger signal is received by the neuron, it results in a larger influx of ions (such as sodium) into the neuron, leading to a more pronounced depolarization of the cell membrane.
As a result, the action potential generated will have a higher amplitude or voltage compared to a regular action potential. Therefore, the answer is D) Stronger action potential generated.
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I need help with one paragraph.
Answer:
I miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rage
Explanation:
