Answer:
C) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere.
Explanation:
Electromagnetic waves do not require a medium to travel. they can travel through vacuum also. for example:- light wave is an electromagnetic wave and it can travel through vacuum also.
On the other hand, sound wave require a medium to travel. sound waves can not travel through vacuum.
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A rubber stopper has a mass of 7.77 g and a volume of 1.31 mL. What is its
density?
Answer:
5877.8625954198 kilogram/cubic meter
Purpose what questions did your class have at the end of the last investigation
Electrons play an important role in cellular respiration. a) Where do the electrons come from? What causes them to 'free' up? b) What molecules 'pick up' the electrons? Include 2 examples of these. c) Where do the electrons go and how do they help in the process of ATP synthesization?
Answer:
part A
the electrons are usually the currently of chemical reactions
B)it returns to glycolysis to pick up more electrons
ex. gulycolysis yields 2ATP
C) they goes to Krebs cycle
What do chains of amino acids build?
Answer:
Proteins
Explanation:
Chains of amino acids linked together by peptide bonds form proteins. The properties of the amino acids in the chain dictates the complex structure and function of proteins, including folding, enzymatic activity, and binding sites.
The order of amino acids in the chain is dictated by DNA via the transcription of an intermediate molecule of mRNA, which is then translated into a sequence of amino acids.
3. A child will have 20 milk teeth. true or false
Answer:
I would say the answer as true.
Explanation:
Most children have a full set of 20 milk of baby teeth by the time they are 3 years old.When they reach 5 or 6, these teeth will fall out, making way for adult teeth.
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Answer:
Done!
Explanation:
There is not a problem with the model. The atoms are tightly compacted to get, so if you were to cut it in half the split would also be smooth and straight. For example, a grain of salt is rough on the outside, but when you cut it in half the split is smooth. It is the same with the atoms in the model.
There is justice and fairness in school
Answer:
I disagree
Explanation:
Teachers are always right no matter what. If a teacher claims a student did something wrong, they are automatically believed. There is no due process (innocent until proven guilty) for the student. Another example is about fights. If a student is hit by a bully, that student cannot defend him or herself unless he or she wishes to face reprocussions. In the end, they both get sent to the office and face the exact same punishment even if only one student was at fault.
Analyze: What are the advantages and disadvantages of the capture-mark- recapture method? population size of grasshopper
Answer:
Advantages of capture and recapture method are:
It provides us the more precise and less biased estimates. It also provide us the parameters such as probability of survival. It provides a functional understanding i.e. Behavioral and structural understanding, of populations. This method is mainly used to estimate the number occupying niche.Because the reacting hydroxyl at __________ in _____________ was in the aposition, the linkage. C-1 monosaccharides in sucrose are said to be joined by ____________ linkage. Since this linkage is formed with ___________ form of ___________ it is often referred to as being __________ linkage
Answer:
Because the reacting hydroxyl at ____C-1____ in _____Glucose ____ was in the __α-___position, the linkage. C-1 monosaccharides in sucrose are said to be joined by ____α-1,β-2-glycosidic(Head to Head )________ linkage. Since this linkage is formed with _____Fructose______ form of ___β-Carbon___ it is often referred to as being ___α-1,β-2-glycosidic(Head to Head )____ linkage
Explanation:
Sucrose is a well known disaccharide which formed by the combination of 1 Glucose and 1 fructose molecule. They are unique in there process of formation as they are formed with head to head linkage between elements of glucose with anomeric(the carbon atom contains -OH) alpha(the carbon right next to the one connected with the functional group)carbon is attracted to the fructose's beta(Second carbon to the functional group linkage) carbon with the anomeric thus OH- and H+ are combined to give water molecule and as a result the Sucrose is formed
Mr. Torres interacts positively with his students. Which statement describes the BEST evidence to support this?
Answer:
The answer is D He listens to their ideas and asks for their opinion.
Explanation:
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Answer: 5. glycolysis, the tricarboxylic acid cycle, and oxidative phosphorylation
6. If oxygen is not present, some organisms can undergo fermentation to continually produce ATP. Glycolysis, which is the first step in all types of cellular respiration is anaerobic and does not require oxygen.
7. Glycolysis is the process in which one glucose molecule is broken down to form two molecules of pyruvic acid
Explanation:
A group of organs that work together forms an organ?
Answer: A group of organs that work together forms an organ system.
Explanation:
A cork has a volume of 6 cm3 and a mass of 3 g. What is the density of the cork?
Answer:
0.5 g/cubic centimeter
Explanation:
density=mass/volume
You would divide your mass (3 g) by your volume (6 cubic centimeters)
How do organisms use flagella to cause movement?
Answer:
Flageller motion cells causes water currents necessary for respiration and circulation in sponges and coelenterates. Most of the bacteria move by means if flagella.
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Cells like muscle cells and neurons (brain cells) depend on having a lot of
mitochondria in order to create and use a lot of cellular energy.
True
False
What happens immediatley after pyruvate is brought into the mitochondrion
A. 36 ATP molecules form
B. glucose molecules form
C. FADH2 molecules form
D. acetyl CoA forms
Answer:
Acetyl coenzyme are formed
Answer:
Acetyl CoA forms
I hope this helps on your unit 4 test
Explanation:
if your friend was considering a genetic modification to have a child and asked for your advice?
Answer:
Explanation:
I would honestly say go for it!
Which of the following statements is true of chemical bonds?
Both ionic and covalent bonds involve electrons in the innermost shell.
Covalent bonds share electrons between two atoms.
An atom involved in an ionic bond has an equal number of electrons and protons.
Salts are covalently bonded.
The atoms in a molecule of water (H2O) are bonded together with ionic bonds.
The true statement of chemical bonds is covalent bonds share electrons between two atoms.
A covalent bond is a type of interaction that involves one or more pairs of electrons (e-) being shared between two atoms.In a covalent bond, shared electrons are jointly attracted by both atomic nuclei.A double covalent bond occurs when four electrons are shared between two atoms, whereas a triple covalent bond involves the sharing of six electrons.An ionic bond is when one atom gives its electron to another atom, e.g., during the formation of sodium fluoride.In conclusion, covalent bonds share electrons between two atoms.
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what is the function of the start codon aug?
The function of the start codon AUG is that it tells the ribosomal subunit to start translating mRNA. Thus, the correct option for this question is C.
What do you mean by Codons?Codons may be defined as the sequence of three DNA or RNA nucleotides that significantly corresponds with a particular amino acid in order to start or stop a signal during protein synthesis.
The codon AUG codes for methionine and serves as an initiation site for protein synthesis. It is the site of the mRNA coding region where the process of translating proteins systematically initiates. Each codon specifically codes for only one particular amino acid.
Therefore, the function of the start codon AUG is that it tells the ribosomal subunit to start translating mRNA. Thus, the correct option for this question is C.
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If Y = -2 bars and Ys = +2 bars, then Wp =
Answer:
?
Explanation:
2. What type of enzyme adds phosphate to ADP making ATP?
A. Kinase
B. Mutase
C. Isomerase
D. Dehydrogenase
Answer:
kinases, mutases, and dehydrogenases, cleaving enzymes, isomerases or enolases
Which statement best explains the relationship between producer and consumers in terms of energy?
A. Consumer produce glucose that producer's use for energy
B. Consumers convert carbon dioxide into energy
C. Consumers provide energy for producer to undergo aerobic respiration
D. Consumers convert glucose from producers into ATP
Answer:
C
Explanation:
Consumers can't convert glucose, they don't take in carbon dioxide, and they can't produce Glucose, therefore it has to be C
The best explaining statement is that consumers convert the glucose from producers into ATP. So the correct option is D.
What is aerobic respiration?The conversion of fuel, such as fats and carbohydrates, into chemical energy, is known as aerobic respiration. Anaerobic respiration, in contrast, doesn't require oxygen.
All cells employ respiration to convert fuel into energy that can drive cellular functions. Adenosine triphosphate (ATP), a byproduct of respiration, is a molecule that utilizes the energy contained in its phosphate bonds to drive chemical processes. It is frequently referred to as the cell's "money."
Anaerobic respiration is less effective than aerobic respiration and takes significantly longer to create ATP. This is so because the chemical processes that produce ATP make great use of oxygen as an electron acceptor.
Therefore the correct option is D.
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what weaknesses exist in your trophic pyramid diagram? What processes or organisms
aren't shown?
Answer: It is a pyramid shape because the trophic pyramid, is a graphical representation designed to show the biomass or bio productivity at each trophic level in a given ecosystem.
The bottom of the pyramid is made up of plants and other organisms that perform photosynthesis. Photosynthesis transforms energy from the Sun into usable energy for living things. An ecosystem needs to have more of these organisms than any other organism because they provide energy for the entire ecosystem.
Answer:
The trophic pyramid doesn’t show that chemical energy becomes heat energy for the organisms. It also doesn’t show decomposers, which work to break down dead organisms in the ecosystem.
Explanation:
What type of natural selection selects for both the extremes of
a phenotype in a population?
a
Directional selection
b Stabilizing selection
C Disruptive selection
Answer:
Disruptive selection
Explanation:
Answer:
Disruptive Selection
Explanation:
describes changes in population genetics in which extreme values for a trait are favored over intermediate values.
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Answer:
the ans of first number
do lysosomes contain chromosomes ?
Answer:
No
Explanation:
they contain Enzymes which breakdown waste.
Which of the following statement inaccurately describes biodiversity
Answer:
what are the options?
Explanation:
$ rcrcrcec
The statements which inaccurately describes biodiversity in an ecosystem are statements 2,4 and 5.
Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.
Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.
Currently, approximately 1.9 million species have already been identified and named, and it is believed that around 8.7 million may nowadays exist.Thus , the incorrect statements are 2,4 and 5.
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Your question is incomplete, but most probably your full question was,which of the following statements inaccurately describes Biodiversity?
1.Biodiversity is the total number and relative abundance of species the variability of their genes and different ecosystems 2. the biodiversity of our plant has been estimated to be around 8.7 million species . 3.The impact of human activities on biodiversity loss is one of the most significant bio ethical issue that we face today .4. so far, approximately 6 million species have been identified end named .5. so far approximately 6 million species have been identified and named.
Suppose a human blood cell containing a 0.9 percent solute concentration were put into a container of 30 percent solute solution. Would the blood cell get bigger or smaller? Why? In your explanation, you must tell me which area has the hypotonic solution (inside the blood cell or outside the blood cell), which area has the hypertonic solution (inside the blood cell or outside the blood cell), and which direction the water would be moving (into the cell or out of the cell).
Answer:
smaller
Explanation:
the cytoplasm of the cell has lower concentration than the surrounding solution
water molecules diffuse out of the cell, they shrink and loose shape a process known as crenation
Answer:
smaller i belive
Explanation:
Which of the following statments is true about all cells?
A. They only grown in long strands
B. They are round and hollow
C. They reproduce by dividing
D. They only function when jonied with other cells
Answer: C
Explanation: Cells reproduce and divide through a process called mitosis
Shredder
Scraper/Grazer
Filter Feeder
Invertebrate Predator
Vertebrate Predator
IIIII
:: Filter water to consume phytoplankton (microalgae) :: Consume leaves and algae and fungi on the leaf surface
:: Consume algae on rocks :: Prey on vertebrates and invertebrates :: Prey on small invertebrates
Match the organism to its proper feeding behavior
Explanation:
The first organism is a Filter Feeder, which filters water to consume phytoplankton (microalgae).
The second organism is a Scraper/Grazer, which consumes leaves and algae and fungi on the leaf surface.
The third organism is a Shredder, which consumes algae on rocks.
The fourth organism is an Invertebrate Predator, which preys on small invertebrates.
The fifth organism is a Vertebrate Predator, which preys on vertebrates and invertebrates.
