Answer:
Evaporation is the process by which water changes from a liquid to a gas or vapor, in other words evaporation is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase.
the brain is located in the ______ cavity?
Answer:
cranial Cavity
Explanation:
The brain occupies the cranial cavity, which is lined by the meninges and which contains cerebrovascular fluid to cushion blows.
Select the correct answer.
Why is the Circum-Pacific belt shown on this map called the Ring of Fire?
OF
Aleutian trench
Mt. Garibaldi
Mt St. Helens
RUNG
Kunie trench
Japan trench
izu Ogasawara trench
Ryukyu trench
Philippine
Mt Piatubod trench
Marianas trench
y Mayon
Challenger Deep
Krakatoa
Bougainville trench
FIRE
Middle America
trench
Equator
Java (Sunda)
trench
Tonga trench
Peru-Chile trench
Kermadec trench
ОА.
ОВ.
C.
A fire burns continuously there.
It is prone to earthquakes and volcanoes.
The entire region has a high risk of wildfires.
The best fireworks happen there.
These regions are on the equator and receive direct sunlight.
OD
O E.
Answer:
B
Explanation:
The Ring of Fire, also referred to as the Circum-Pacific Belt, is a path along the Pacific Ocean characterized by active volcanoes and frequent earthquakes.
what is the role mRNA in expressing specialized strutures?
Answer:
An mRNA is translated into a protein sequence. ... Each mRNA contains, at least, one coding region that is related to a protein sequence of the genetic code. Each nucleotide triplet called codon of the coding region represents one amino acid. Only one strand of a DNA duplex is transcribed into a messenger RNA molecule
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Explanation:
Following Dietary Guidelines
According to the Dietary Guidelines for Americans, which foods should you increase and decrease within your diet?
Sort each food into the appropriate category
Foods to Increase
Foods to Decrease
bacon
salty snacks
salmon
wheat bread
vegetables
sugary drinks
Pls help. I’ll give you brainiest
Answer:
Foods to Increase:
- salmon
- wheat bread
- vegetables
Foods to Decrease:
- bacon
- salty snacks
- sugary drinks
Explanation:
I don't really know how to explain the answers, hope that helped anyway : )
Which happens during the second trimester?
A. Blood pumps through the heart.
B. The stomach produces digestive fluids.
C. The lips begin to develop.
D. Teeth begin to form.
Answer:
The lips begin to form. I know that during the second trimester ears and eyes begin to develop, so I assume that lips would also begin to develop too.
In pregnancy, during the second-trimester blood pumps through the heart. The correct option is A.
What is trimester?A pregnancy is divided according to the weeks namely trimesters, these are first trimester, second trimester, and third trimester.
A trimester usually occurs between 12 and 14 weeks and a full-term pregnancy occurs at around 40 weeks.
In pregnancy, during the second-trimester blood pumps through the heart.
Thus, the correct option is A.
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Which reactant in the photosynthesis equation is used directly to make
sugar?
O A. Water
O B. Chlorophyll
O C. Light energy
O D. Carbon dioxide
Answer: the answer is carbon dioxide
Explanation:
Respiration is a process where many chemical bonds inside the body break and release energy. This energy is used to perform various activities
such as moving muscles. Explain the energy transformation in this process.
ОА
Chemical energy from broken bonds is transformed into mechanical energy for muscles.
ОВ.
Mechanical energy from broken bonds is transformed into chemical energy for muscles.
OC. Mechanical energy from broken bonds is transformed into electrical energy for muscles.
OD Heat energy from broken bonds is transformed into electrical energy for muscles.
Reset
Next
Answer:
OA
Explanation:
Chemical energy refers to the energy that is released with reactions involving chemicals. Cellular respiration takes glucose(a five carbon sugar) and breaks it down using glycolysis, then makes ATP(adenisine-triphosphate)(an essential chemical to the energy of life) using the krebs cycle and the electron transport train. This is all to get a surplus ATP, which is a useable CHEMICAL ENERGY source. This energy can be diverted to any system in the body, including the muscular system. Then, the muscles are used MECHANICALLY(look at the types of muscle levers in anatomy) to acheive work, thanks to the CHEMICAL ENERGY produced in cellular respiration. Thus, the answer in OA.
Which molecular formula corresponds to this model of a chemical compound? (black = carbon; red = oxygen; white =hydrogen)
Cz(OH)4
C2H204
C₂H4O2
C4H₂O2
Which of these molecules does not enter the cellular respiration
pathway?
O glycerol
O fatty acids
amino acids
O glucose
O all of these
Answer:
fatty acid
Explanation:
it has double bonding of carboxylic acid
Which is a factor that determines whether a molecule can cross a cell membrane?
Answer:
if a molecule is too large it cannot pass. also it depends on the concentration of a specific substance inside the cell. similarly, if a molecule is polar it cannot penetrate the phospholipid bilayer.
there are proteins that work as channels and pumps that allow these molecules to pass
Explanation:
The polarity of the molecule determines whether a molecule can cross a cell membrane. The correct option is D.
What is polarity?The asymmetric establishment of several cellular components, such as the plasma membrane, cytoskeleton, or organelles, is alluded to as cell polarity.
The polarity of the molecule determines whether a molecule can cross a cell membrane as the cell membrane is composed of phospholipids which are polar in nature.
Thus, the correct option is D.
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The missing options of the question are:
Speed.Texture.Mass.Polarity.if the climate is hot what will happen to the water cycle, and if the climate is cold what will happen to the water cycle?
Answer:
Climate change intensifies this cycle because as air temperatures increase, more water evaporates into the air. Warmer air can hold more water vapor,
So, higher temperatures means more evaporation while low temperatures means less evaporation.
The chemical groups into which hormones can be divided include
What must occur in order for a matter to change states? A: Heat must be added or removed B: A chemical change must occur C: Other substances must be added D: The temperature must change
Answer:a chemical change must occur to change states
Explanation:
Chemical changes are irreversible, physical changes however dont affect the structure of the molecule of whatever it is
Answer:
Hey!
Your answer is A: Heat must be added or removed
Explanation:
For example...
To change water from a liquid to a solid, you have to change its molecular composition and change the bondages between the Hydrogen and Oxygen molecules...
This is only done when you add heat / remove through Vaporization / Condensation!
To change a substance's state is a REVERSIBLE process meaning you have to add or remove energy (heat) to change its state!
which structure is found in the cytoplasm of a prokaryotic cell but is not found in the cytoplasm of a eukaryotic cell
Answer: DNA
is found in the cytoplasm of a prokaryotic cell. Not found in the cytoplasm of a eukaryotic cell.
Complete the following sentences about heme by moving the terms to the correct targets Some terms will not be used.
1. The prosthetic group of hemoglobin and myoglobin is_______.
2. The organic ring component of heme is_______
3. Under normal conditions, the central atom of heme is________.
4. In________the central iron atom is displaced 0.4 A out of the plane of the porphyrin ring system.
5. The central iron atom has_______bonds:________to nitrogen atoms in the porphyrin, one to a_______residue and one to oxygen.
A. Oxyhemoglobin
B. Six
C. Four
D. Three
E. Histidine
F. Heme
G. Serine
H. Fe2+
I. Deoxyhemoglobin
J. Cysteine
K. Fe3+
L. Porphyrin
Answer:
1. The prosthetic group of hemoglobin and myoglobin is heme.
2.The organic ring component of heme is porphyrin ring.
3. Under normal conditions, the central atom of heme is Iron (Fe2+).
4. In deoxyhaemoglobin the central iron atom is displaced 0.4 A out of the plane of the porphyrin ring system.
5.The central iron atom has six bonds: four to nitrogen atoms in the porphyrin, one to a histidine residue and one to oxygen.
Explanation:
1. The heme is the prosthetic group common to both the hemoglobin and myoglobin. It is made up of a central iron ring.
2. The porphyrin ring is the organic component of the heme that surrounds the iron ring. Its based on a tetrapyrole ring called porphin commonly found in other biomolecules such as cytochrome and chlorophyll in plants
3. Iron (Fe2+) is central to the heme structure. It has the ability to bind to an oxygen molecule at a time. This gives the protein- hemoglobin the ability to bind to 4 oxygen molecules at a time.
4. Deoxyhaemoglobin is simply a reduced form of hemoglobin which has lost oxygen molecule in red blood cells. It is purple blue in colour.
5. In the middle of the porphyrin ring, the iron binds to 4 nitrogen atoms. 2 free binding sites are available on either side of the plane heme structure with histidine surounding the heme molecule.
Skin from (a) dorsum left wrist and (b) left forearm, ulnar, near elbow. Clinical Diagnosis: Bowen disease versus basal cell carcinoma versus dermatitis Microscopic Description: (a) There is a mild hyperkeratosis and moderate epidermal hyperplasia with full-thickness atypia of squamous keratinocytes. Squamatization of the basal cell layer exists. A lymphocytic inflammatory infiltrate is present in the papillary dermis. Solar elastosis is present. (b) Nests, strands, and columns of atypical neoplastic basaloid keratinocytes grow down from the epidermis into the underlying dermal. Fibroplasia is present. Solar elastosis is noted.
The given question is incomplete as it lacks the major part of the question, however the correct question is as follows:
MD Specimen: Skin from (a) dorsum left wrist and (b) left forearm, ulnar area, near elbow.
Clinical Diagnosis: Bowen disease versus basal cell carcinoma versus dermatitis.
Microscopic Description: (a) There is mild hyperkeratosis and moderate epidermal hyperplasia with full-thickness atypia of squamous keratinocytes. Squamatization of the basal cell layer exists. A lymphocytic inflammatory infiltrate is present in the papillary dermis. Solar elastosis is present. (b) Nests, strands, and columns of atypical neoplastic basaloid keratinocytes grow down from the epidermis into the underlying dermis. Fibroplasia is present. Solar elastosis is noted. Pathologic Diagnosis: (a) Bowen disease of left wrist; (b) nodular and infiltrating basal cell carcinoma of left forearm, near elbow. Samantha Roberts, MD sr:bg
Answer these Questions:
1. In the specimen section, what does "skin on dorsum left wrist" mean?
2. What types of cells made up the inflammatory infiltrate?
3. What was the pathologist's diagnosis for the left forearm (look at pathologic diagnosis)?
4. Provide a brief description of Bowen disease, the pathologist's diagnosis for the left wrist.
Answer:
1. The skin on the dorsum left wrist implies the outside of the wrist only inverse to the palm.
2. Lymphocytes made up the incendiary penetrate.
3. Nodular and penetrating basal cell carcinoma of left lower arm , close to elbow.
4. Bowen ailment is a skin illness that happens because of development of anomalous cells in the epidermis layer of the skin. Since the irregular cells keep themselves to the epidermis just and don't spread away from it, so it's anything but a sort of cancer. But there are odds of disease being caused later. Red expanding patches are seen on the skin which on occasion bleed. They are caused because of high paces of sun introduction, by Human papillomavirus, or because of immunosupression. Treatment incorporates applying creams, for example, 5-FU to murder strange cells, cryotherapy, laser treatment and radiotherapy too.
(a) Describe the possible genotypes of the heart cells of an individual if meiosis in this
individual results in two sperm cells carrying the f allele and two sperm cells carrying the
F allele.
Answer:
The possible genotype is Ff
Explanation:
The possible genotype of the heart cells of such individual would be Ff.
Meiosis usually results in the formation of daughter cells with haploid number of chromosomes from parent cells with diploid number of chromosomes. The chromosomes in the parent cells are usually halved in the daughter cells.
The cells of the heart will have diploid number of chromosomes because they are vegetative cells while the sperm cells will usually have haploid number of chromosomes because they are sex cells.
Consequently, the heart cells of an individual will contain twice the chromosome number present in the sperm cells of such individual.
Hence, if meiosis results in the formation of sperm cells with F and f genotypes in an individual, it simply means that any diploid cell in that individual will have the Ff genotype.
The possible genotype is Ff
The following information should be considered:
Meiosis normally arise when the daughter cells are created along with haploid number of chromosomes from parent cells with diploid number of chromosomes. The chromosomes in the parent cells are normally halved in the daughter cells. The heart cells should have diploid number of chromosomes since they are vegetative cells while on the other hand the sperm cells will normally have haploid number of chromosomes. Due to this, the heart cells of an individual will comprise of twice the chromosome number that are present in the sperm cells of such individual.
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is it actually rare to step on an ant? this sounds dumb but I’m curious.
Answer: No
Explanation:
i mean it depends if you live near an ant colony or colonies.
reaaallly need help!!
Explanation:
this is very easy I will try and send this picture
Phosphorus is a critical constituent of cellular fluids because of its role: a.as a sodium ion transporter in body cells b.in the synthesis of amino acids c.in the synthesis of phospholipids to transport fats through the blood d.in binding with calcium in the muscle tissues e.as a buffer in maintaining the optimum body pH
Answer:
e is correct
Explanation :
Phosphorus is critical because this element is required for enzymatic activities that take place during glycolysis, in the metabolism of glutamine to form ammonia (ammoniagenesis) and also in oxidative phosphorylation, where the cells produce energy from the generation of ATP from ADP.
In serum (blood plasma), the inorganic phosphate is combined with oxygen (O2) to form diverse types of phosphates (PO4) molecules that play key functions in muscle activity, nervous system development, and bone growth.
Serum phosphate is a critical buffer that maintains the acid‐base balance in the urine. The serum phosphate level in an adult must be in the range of 2.5 to 4.5 mg/dl, being higher levels indicative of hyperphosphatemia. This inorganic phosphate has important functions during the ATP synthesis, cyclic AMP, post-translational modification (i.e., protein phosphorylation), and also as an intracellular buffer.
write down two differences between axon and dendrites.
Answer:
Axon takes information or impulse away from the cell body, whereas Dendrites bring information or impulse to the cell body of the neuron. Axons are long and single per cell and dendrites are short and multiple Axons don't have any ribosomes and Dendrites do.
What is the role of the pancreas
Answer:
It converts food you consume into body fuel for our cells.
Answer:
It produces digestive enzymes
Explanation:
Just took the quiz
Select all that apply. Which of the following are vertebrates? earthworms grasshopper lancelets octopus crab amphibians tunicates starfish
Answer: amphibians
Explanation:
earthworms, grasshopper, lancelets, octopus, crab, tunicates, starfish are all invertebrates.
lancelets(cephalochordata) and tunicates(urochordata) are chordates but do not have a backbone.
Hii!! The correct answer is amphibians. (:
Explain the link between climate change and population growth
Answer:
when there are changes in climatic condition for example if the sun becomes to harsh ,unbearable and unfavorable this might cause certain population to migrate from their habitat to a more suiting one
Difference between striated muscle, smooth muscle and cardiac muscle.
Answer:
Cardiac and skeletal muscle are both striated in appearance, while smooth muscle is not. Both cardiac and smooth muscle are involuntary while skeletal muscle is voluntary. ... While skeletal muscles are arranged in regular, parallel bundles, cardiac muscle connects at branching, irregular angles, called intercalated discs. interenet lol
Explanation:
Answer:
Striated muscles are the muscles that allow your body to move. Smooth muscles are the ones in the digestive system that allow food to move along the gut. I'm not sure about the Cardiac muscle.. I think it's something to do with the heart.
Explanation:
Hope this helps :) Please comment if it helped..
While doing research on deep-sea vents, you discover a very simple new life form. After some initial analysis, you find that this life form contains small fragments of DNA, small complementary RNA fragments, and proteins. Fortuitously, you collected two strains, one that is purple and one that is yellow. You wish to discover which of those three molecules could be the genetic material. You heat-kill some of the purple life form and subject three different homogenized samples to different enzymes: DNase, RNase, or protease. Which treated sample(s) will transform yellow into purple IF RNA is the genetic material
Answer:
The one treated with DNase and protease
Explanation:
The samples that will transform yellow into purple if RNA is the genetic material are the ones treated with DNase and protease respectively.
The treatment of the heat-killed sample of the purple life with DNase will ensure that the DNA in the sample becomes degraded while treatment with protease will ensure that protein is degraded, leaving only the RNA. Thus, the RNA can be taken up by the yellow life form and become transformed into purple if indeed RNA is the genetic material.
The sample treated with RNase cannot transform the yellow life into purple because the RNase catalyzes the degradation of RNA into smaller components.
Evolution is change in a population over time and includes the gene pools of that population. How does biogeographic isolation allow for the change of gene pools over time
OPTIONS:
A) biogeographic isolation affects the random changes that take place within gene pools
B) biogeographic isolation affects the changes in gene pools that result from which organisms are breeding
C) biogeographic isolation determines who will win competition for mates
D) biogeographic isolation determines the time that populations will breed
Answer:
A) biogeographic isolation affects the random changes that take place within gene pools
Explanation:
Organisms can become splitted and isolated from each other by biogeographical factors, thereby preventing the isolated population of species from interbreeding with each other. When this occurs, the isolated population, over time, evolve separately and later become distinct from each other leading to a change in the original gene pool.
Biogeographical factors uch as habitat isolation can cause a change in the original gene of a species population which have now become isolated geographically, and thus, evolve separately.
How is global climate change is impacting our ecosystems ( in your own words not from google )
Answer:
Climate change impacts where species live and how they interact, also including the timing of biological events. Climate change can immense the capacity of ecosystems to extreme events and disturbance, such as wildfires, floods, and droughts.
Explanation:
what is the purpose of RNA
RNA, in one form or another, touches nearly everything in a cell. RNA carries out a broad range of functions, from translating genetic information into the molecular machines and structures of the cell to regulating the activity of genes during development, cellular differentiation, and changing environments.
Answer:
RNA is to carry info of amino acid sequence from the genes to where proteins are assembled on ribosomes in the cytoplasm
how can digestive enzymes assist in breaking macromolecules down into smaller subunit?
Answer:
Chemical digestion
Mechanical digestion can only break up the food particles into smaller pieces. A chemical digestion process called enzymatic hydrolysis can break the bonds holding the molecular 'building blocks' within the food together. For example, proteins are broken down into their 'building block' amino acids.
Explanation:
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