a __ is an instrument used in the photosynthesis lab which contains a prism and through the eyepiece displays the total visible spectrum when a light source is passed through the light slit.
An instrument that is used in the photosynthesis lab to perform a given experiment is a spectrum.
What do you mean by Photosynthesis?Photosynthesis may be defined as the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
A spectrum is an instrument used in the photosynthesis lab which contains a prism and through the eyepiece displays the total visible spectrum when a light source is passed through the light slit.
Therefore, an instrument that is used in the photosynthesis lab to perform a given experiment is a spectrum.
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Help Pls. I will give brainliest.
A group of land plants performs photosynthesis, has specialized tissues and a cuticle, but does not have seeds.
Which hazard of living on land would this group of plants likely struggle with the most?
water loss through leaves
young plant death due to lack of water
transporting water
using the Sun’s energy to make food
Answer:
water loss through plants
Explanation:
Answer:
B. young plant death due to lack of water
Explanation
A new prototype cup has been designed to keep liquids such as hot coffee or cold drink near their original temperature for long periods of time which statement describes the function of the newly designed cup ?
The statement which describes the function of the newly designed cup is
to minimize thermal energy transfer.
What is Thermal energy?Thermal energy is the energy which is measured as a result of its heat
content. This is usually as a result of the increase in temperature of the
substance involved.
The new prototype designed to keep liquids such as hot coffee or cold
drink near their original temperature for long periods of time will be
achieved by minimizing thermal energy transfer.
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Select the correct answer from
each drop-down menu.
The Spanish Civil War is also known as
Soviet Union and Mexico supported the
because many countries indirectly participated in the war. Countries such as the soviet union and mexico supported the blank,
while countries such as Germany and Italy supported the blank.
The Spanish Civil War is also known as The Crusade (Spanish: La Cruzada)
Soviet Union and Mexico supported the Cold War.
Countries like the Soviet Union and Mexico supported the Allies,
while countries like Germany and Italy supported Nazism.
Who were the Allies of the Nazis?
The Axis countries (Germany, Italy and Japan) and the Allies (France, England, USA and, later, USSR) constituted the alliances formed in the Second War. World War II was a conflict of global proportions that took place between 1939 and 1945.
With this information, we can conclude that the Spanish Civil War resulted from a confrontation between fascist and communist nationalist forces, which began to vie for power in the country.
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Analyzing data in graphs or charts allows you to?
Explanation:
It will allow you to make account of the organisms you have collected and also make it easy to identify all you records
Answer:
It will allow you to make account of the organisms you have collected and also make it easy to identify all you records
Explanation:
1) Examination of the throat swab specimen reveals distinct gram-positive club-shaped bacilli. The laboratory technician immediately contacts the medical team and begins the process of submitting specimens for PCR testing to the CDC. The suspected pathogen is ________.
The suspected pathogen is Corynebacterium diphtheriae.According to the given scenario, the examination of the throat swab specimen reveals distinct gram-positive club-shaped bacilli. .It is a respiratory infection that causes sore throat, mild fever, and swollen lymph nodes. To confirm the diagnosis, the laboratory performs a toxigenicity test that detects the toxin produced by C. diphtheriae.
The laboratory technician immediately contacts the medical team and begins the process of submitting specimens for PCR testing to the CDC.The disease can spread from person to person through respiratory droplets when an infected person coughs or sneezes. Steps of Laboratory Diagnosis of Corynebacterium Diphtheriae The laboratory diagnosis of diphtheria is based on the clinical signs and laboratory identification of C. diphtheriae.
The diagnosis can be made through the following laboratory tests:Gram staining: C. diphtheriae is a gram-positive bacillus that appears club-shaped with rounded ends. The Gram-stained smear of throat swab material reveals many polymorphonuclear cells and bacterial cells that often appear in clusters or palisades culture from a throat swab. The bacterium is generally nonmotile and noncapsulated.Toxigenicity test: The detection of toxin produced by C. diphtheriae is one of the most critical diagnostic tests for the bacterium. The toxin test includes the Elek test and PCR techniques.
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Which amino acid residue disrupts the alpha helix because its side chain contains a unique ring structure that restricts bond rotations?
The amino acid residue that disrupts the alpha helix because of its unique ring structure is Proline. Proline is an imino acid that contains a unique ring structure in its side chain, which restricts bond rotations and makes it different from other amino acids.
The amino acid residue that disrupts the alpha helix because of its unique ring structure is Proline. Proline is an imino acid that contains a unique ring structure in its side chain, which restricts bond rotations and makes it different from other amino acids. This unique structure is the reason why proline is often referred to as the "helix breaker" because it can cause a kink in the alpha helix structure. When proline is present in a sequence of amino acids that would otherwise form an alpha helix, it disrupts the hydrogen bonding pattern that stabilizes the helix, resulting in a break in the helix structure. This structural disruption occurs because proline's unique ring structure forces the backbone of the amino acid residue to bend, which in turn causes a change in the orientation of the peptide bond. In conclusion, the unique ring structure of proline's side chain restricts bond rotations, making it a helix breaker amino acid residue.
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In the United States, the following ethnic and racial groups are more likely to have lactose malabsorption: a. African Americans; b. American Indians; c. Asian Americans
In the United States, African Americans, American Indians, and Asian Americans are more likely to have lactose malabsorption.
Lactose malabsorption, also known as lactose intolerance, is the inability to fully digest lactose, the sugar found in milk and dairy products. It occurs when the body lacks or produces insufficient amounts of lactase, the enzyme responsible for breaking down lactose.
While lactose intolerance can affect individuals from any ethnic or racial background, certain populations have a higher prevalence. Studies have shown that African Americans, American Indians, and Asian Americans are more likely to have lactose malabsorption compared to other groups. This increased prevalence can be attributed to genetic factors and variations in the production of lactase among different populations.
It is important to note that lactose malabsorption does not necessarily mean complete avoidance of dairy products. Many individuals with lactose intolerance can still consume small amounts of lactose or use lactase supplements to aid digestion. Dietary modifications and lactose-reduced products are also available to accommodate individuals with lactose intolerance while maintaining a balanced diet.
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How do scientists find the epicenter of an earthquake?
Scientists use triangulation to find the epicenter of an earthquake. When seismic data is collected from at least three different locations, it can be used to determine the epicenter by where it intersects.
Which IS an example of why the process of photosynthesis is important to life on Earth?
Answer:
Explanation:
Photosynthesis is important to living organisms because it is the number one source of oxygen in the atmosphere. Green plants and trees use photosynthesis to make food from sunlight, carbon dioxide and water in the atmosphere.
What is molting????????
A dragonfly in its radical final moult, metamorphosing from an aquatic nymph to a winged adult.
In biology, moulting (British English), or molting (American English), also known as sloughing, shedding, or in many invertebrates, ecdysis, is the manner in which an animal routinely casts off a part of its body (often, but not always, an outer layer or covering), either at specific times of the year, or at specific points in its life cycle.
Moulting can involve shedding the epidermis (skin), pelage (hair, feathers, fur, wool), or other external layer. In some groups, other body parts may be shed, for example, wings in some insects or the entire exoskeleton in arthropods.
describe what would needed to target a cytosolic protein (fully translated) to the exoplasmic face of the plasma membrane
Targeting a cytosolic protein to the exoplasmic face of the plasma membrane involves a complex process that requires several steps, including protein modification, recognition, transport, and anchoring.
To target a cytosolic protein to the exoplasmic face of the plasma membrane, several steps are required. First, the protein needs to have a specific signal sequence that can direct it to the plasma membrane. This signal sequence is often a short peptide that is recognized by a receptor on the membrane.Once the protein has been targeted to the membrane, it needs to be inserted into the lipid bilayer. This process requires the protein to have a hydrophobic transmembrane domain that can anchor it to the membrane.
Finally, the protein needs to be properly oriented with its functional domains facing the extracellular side of the membrane. This can be achieved through interactions with membrane proteins or lipid molecules that can help to flip the protein into the correct orientation.Overall, targeting a cytosolic protein to the exoplasmic face of the plasma membrane requires a combination of specific targeting signals, hydrophobic domains, and interactions with membrane components to achieve proper orientation.
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Which group is more closely related to mammals: frogs/toads/salamanders or lizards/snakes? Why?
lizards/snakes are more closely related to mammals.
Snakes and lizards are closely related and belong to the same order named Squamata.
Two important characteristics that connects the squamates. The firstly they shed their skin periodically. Other squamates, such as snakes, shed their skin in one piece. Squamates like lizards, shed their skin in patches.
Squamata or scaled reptiles is the most divergent group of reptiles, consisting of lizards and snakes and characterized a flexible jaw structure also having scales rather than shells over skin. Squamates can live in diverse habitats, like dry conditions in the desert to the wet and warm rainforests. Many lizards and snakes, live above ground on land.
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A particular organism has the following characteristics:
• It is single-celled.
•It does not have a nucleus or membrane-bound organelles.
•It is autotrophic, meaning that it makes its own food.
•It is able to replicate without a host cell.
Which of the following types of organisms is the type described above?
Answer:
Prokaryotic cells
Explanation:
Which supplies your body with energy?
A. nutrients
B. vitamins
C. blood
D. water
Answer:
A
Explanation:
Hopefully this helps
Which of these is NOT a lipid?
a) RNA
b) phospholipid
c) steroids
d) cholesterol
e) wax
Polysaccharides is not a lipid
Lipids are the hydrocarbon-containing molecules that serve as the foundation for the structure as well as function of the living cells. Lipids are the fatty acid polymers with a long, non-polar hydrocarbon chain and a small polar area containing oxygen. Lipids perform a variety of roles, including energy storage, signalling, and functioning as structural components of the cell membranes. Lipids find use in the cosmetic as well as food industries, and in nanotechnology.
Polysaccharides are the most common form of the carbohydrate contained in a food. They are the polymeric long-chain carbohydrates which is made up of monosaccharide units linked together by glycosidic linkages. some of the examples are: Starch, glycogen, cellulose, and chitin.
--The given question is incorrect, the correct question is
"Which of these is not a lipid
a) Steroid b) Fat c) Polysaccharide d) Wax"
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a eukaryotic cell has the following characteristics except for ______
A. Prominent nucleus
B. Mitochondrion
C. Cell wall and cell mebarane
D. Single circular chromosome
Answer:
D.singular circular chromosome
Explanation:
a eukaryotic cell has a nucleus whilst prokaryotic doesn't, whcih means the DNa is not housed and is built in a single circular strand. eukayotes have chromasomes or strands of dna
Which of the following are viruses unable to infect?
Answer:
non living things
Hope this helps :) !!!
Identify the parts of the Sun labeled A, B, C, D, and E.
Label A
Label B
Label C
Label D
Label E
Answer:
Label A
✔ Nucleus
Label B
✔ Lysosome
Label C
✔ Ribosomes
Label D
✔ Centrioles
Explanation:
What Kind of organisms do lakes support
Answer: Amphibians and water animals.
Explanation:
Answer:
Other organisms that use lakes and ponds for some activities include birds such as ducks, mammals such as beavers, and reptiles such as snakes. Larger lakes can support as many as four or five different trophic levels, or groups of organisms that get energy in
in 2002, an experiment containing s. cerevisiae was flown aboard nasa mission sts-112 with the goal of identifying gene expression changes related to microgravity. the yeast samples were grown in small cylindrical glass tubes placed in a tightly closed, temperature-controlled container. to initiate growth, media containing glucose and other basic nutrients were auto-injected into a chamber containing dormant yeast. after a pre-determined growth period, a fixative was auto-injected into the chamber to stop growth and protect the contents until the cells could be isolated back on earth.before the mission, while determining the appropriate experimental growth period, what unexpected problem did the researchers encounter when they first tested out the equipment in the laboratory by growing yeast under simulated microgravity conditions for a few hours?
The researchers encountered unexpected leakage of the fixative from the chamber during the simulated microgravity conditions, potentially affecting the integrity of the yeast samples.
The researchers came into an unanticipated problem of fixative leaking from the chamber during the simulated microgravity circumstances when testing the equipment in the lab before missions. This raised questions since it may jeopardise the yeast samples' integrity and impact how precisely changes in gene expression caused by microgravity are detected.
The fixative's efficacy in preserving sample integrity throughout the experiment was called into question by the leakage because it was designed to limit growth and safeguard the contents until the cells could be examined back on Earth.
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can elephants die from sand in their eyes
Answer:
look it up, also i dont think they do
Explanation:
i needed points...sorry :<
Which chromosomal change is represented?
deletion
translocation
inversion
insertion
The type of chromosomal change which is represented in the diagram given is deletion. The correct option is A.
What is deletion?In genomics, a deletion is a type of mutation that involves the removal of one or more nucleotides from a segment of DNA.
A deletion can result in the loss of any number of nucleotides, ranging from a single nucleotide to an entire chromosome.
Because an insertion or deletion causes a frame-shift that alters the reading of subsequent codons.
This alters the entire amino acid sequence that follows the mutation, insertions and deletions are usually more harmful than a substitution that only changes one amino acid.
Thus, the correct option is A.
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Your question seems incomplete, the missing image is attached below:
what fingerprint pattern is this
Answer:
Thumb print pattern
Explanation:
It is such a big and wide spaced pattern you would almost be certain of a thumb print pattern
George has a cramp in the posterior part of his leg. Where is the cramp?
A. Ankle
B. Calf
C. Knee
D. Heel
The posterior part of the leg where George must have experiences the cramp is the calf.
The calf which is the back portion or the posterior part of the lower leg in human anatomy. The two largest muscles in the calf compartment are known together as the calf muscle and they attach to the heel through the Achilles tendon. A few other smaller muscles attach to the knee as well as the ankle through long tendons to the toes.
A leg cramp is basically an episode of sudden pain in the muscles present in the leg which is caused by an involuntary contracting or the shortening of the leg muscle. Most commonly, leg cramps occur in the calf muscles and less commonly they also occur in the feet and thighs.
Hence, the correct option is B. Calf
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13. What is the relationship between the strength of earthquakes and earthquake
frequency?
Which of the following best explains why a cell's plasma membrane is composed of two layers of phospholipids rather than just a single layer?
Answer: The hydrophilic tails are directed inward and the hydrophobic heads are directed outwards.
Explanation:
A phospholipid is made up of two ends a hydrophilic or water-loving end that is phosphate head and a hydrophobic tail that is made up of fatty acid tail. The arrangement of phospholipid in a bilayer structure allows the entry of oxygen, carbon dioxide, and lipids to pass through them via concentration gradient via simple diffusion.
Lipids are amphipathic molecules that compose the membrane. Membrane lipidic bilayers allow only the hydrophilic heads to interact with water inside and outside the cell, while hydrophobic tails remain in the interlayer space, away from water.
----------------------------------------------
Two lipidic layers compose the cell membrane. There are also proteins and glucans incrusted in between.
Since lipids are amphipathic molecules with hydrophilic heads -negatively charged phosphate group- and hydrophobic tails, they need to form two opposite layers.
Lipids are arranged with their hydrophilic polar heads facing the exterior and the interior of the cells in contact with water. Meanwhile, their hydrophobic tails are against each other, constituting the internal part of the membrane.
Membranes are fluid, meaning that lipids and proteins composing them can move laterally, transversally, or rotationally.
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TRUE OR FALSE
Once water seeps down under the ground, it stays there
forever.
Answer:
i Feel like its false but it could be true
Explanation:
As you know or dont, Water at very shallow depths might be just a few hours old; at moderate depth, it may be 100 years old; and at great depth or after having flowed long distances from places of entry, water may be several thousands of years old. As water seeps into the ground, some of it clings to particles of soil or to roots of plants just below the land surface. This moisture provides plants with the water they need to grow. Water not used by plants moves deeper into the ground. The water then fills the empty spaces and cracks above that layer
The muscular rhythmic contractions that occur throughout the gi tract are called __________________.
Answer:
peristalsis
Explanation:
wave like muscle contractions
I would greatly appreciate it if you could give this answer a brainliest answer crown!
During the first phase of glycolysis:
During the initial stages of the energy-releasing phase of glycolysis, two molecules of G3P are oxidized, and a phosphate group is attached to the resulting oxidized molecules. Hence, option (d) is the correct answer.
During the initial stages of the energy-releasing phase of glycolysis, two molecules of glyceraldehyde 3-phosphate (G3P) undergo specific transformations. Glycolysis is a metabolic pathway that breaks down glucose into pyruvate, generating ATP and NADH in the process.
(b) In this step, two molecules of G3P are oxidized, meaning they lose electrons. This oxidation reaction leads to the formation of two molecules of 1,3-bisphosphoglycerate (1,3-BPG). During this process, NAD+ (nicotinamide adenine dinucleotide) is reduced to NADH, as it accepts the electrons released from the oxidation of G3P.
(c) After the oxidation step, a phosphate group (Pi) is added to the unstable 1,3-BPG molecules, resulting in the formation of two molecules of 3-phosphoglycerate (3-PG). This addition of a phosphate group occurs through the action of the enzyme phosphoglycerate kinase, and it plays a crucial role in the subsequent steps of glycolysis.
In conclusion, during the initial stages of the energy-releasing phase of glycolysis, two molecules of G3P are oxidized, and a phosphate group is attached to the resulting oxidized molecules.
Hence, option (d) is the correct answer.
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Correct Question:
During the first steps of the energy-releasing portion of glycolysis:
(a) Two molecules of G3P are reduced.
(b) Two molecules of G3P are oxidized.
(c) A phosphate group is attached to unstable oxidized G3P molecules.
(d) Both B and C