Answers
Answer:
7) a. Absorbed: black surfaces absorb light, like in a playground.
b. Transmitted: when light falls on transparent objects, it is transmitted, goes straight through the object, like the clear glass of a window
c. Reflected: when light falls on a smooth, shiny object, it bounces off in one particular direction, like looking at the smooth surface of a lake
Related Questions
The sequence of DNA ACTGGGCGTAAG part of a gene. How many CODONS can be found in the segment
Answers
Explanation:
First, think about which base pairs arise in complementary strands of DNA:
DNA → DNA
adenine → thymine (A → T)
thymine → adenine (T → A)
cytosine → guanine (C → G)
guanine → cytosine (G → C)
However, mRNA does not consist of the same four bases as DNA. While DNA has the ATCG nitrogenous bases, RNA replaces thymine with uracil, making its bases AUCG.
So, that means that whenever DNA has adenine, instead of pairing this with thymine, RNA will use uracil instead.
DNA → RNA
adenine → uracil (A → U)
thymine → adenine (T → A)
cytosine → guanine (C → G)
guanine → cytosine (G → C)
Giving us the corresponding sequence:
describe the roles of membranes in an amoeba?
Answers
Answer: cell membrane - the thin layer of protein and fat that surrounds the amoeba; it allows some substances to pass into the cell, and blocks other substances.
Explanation:
Answer:
The plasma membrane of a cell is a network of lipids and proteins that forms the boundary between a cell's contents and the outside of the cell.
Explanation:
(Psychology)
An adult vervent monkey sees a Jaguar approaching. He cries out loudly, warning all the other vervent monkeys in the area of danger.
Why is this behavior considered altruistic?
A) The monkey will gain social praise for its behavior.
B) The monkey is putting itself at risk for other individuals.
C) The monkey understands that the Jaguar is not a threat.
D) The monkey does not believe others can help spread a warning.
Answers
Answer:
The monkey is putting itself at risk for other individuals.
Explanation:
The behavior of the monkey is altruistic because the monkey is putting itself at risk for the safety other individuals.
What is an altruistic behavior?An altruistic behavior is one in which the individual put a the benefits of others above his own benefit.
An altruistuc behavior is an example of selflessness.
The monkey is exhibiting altruistic behavior by putting itself in danger in order to warn others about the jaguar.
Therefore, the behavior of the monkey is altruistic because the monkey is putting itself at risk for other individuals.
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HELP ME PLEASE
What object is shown in this image?
a nebula
a red giant
a supernova
a neutron star
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Answer:
d I think
Explanation:
Answer:
nebula
Explanation:
I believe it's a nebula
What the answer there are no options
Answers
Question in image below
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Answer:
AA
Explanation:
This means the same and AA is the same
Answer:
Aa
Explanation:
g In the mid-1800s, overhunting of Northern Elephant Seals reduced their population size to fewer than 40 individuals. However, the population has since rebounded to over 100,000 animals. The population went through a _________, which makes it more susceptible to ___________.
Answers
Answer:
In the mid-1800s, over-hunting of Northern Elephant Seals reduced their population size to fewer than 40 individuals. However, the population has since rebounded to over 100,000 animals. The population went through a _bottle neck event (genetic drift)_, which makes it more susceptible to _developing a genetic disease_.
Explanation:
Genetic drift is the random change that occurs in the allelic frequency of a population through generations. The magnitude of this change is inversely related to the size of the original population. These changes produced by genetic drift accumulate in time. Eventually, some alleles get lost, while some others might set. Genetic drift affects a population and reduces its size dramatically due to a disaster or pressure-bottleneck effect- or because of a population split -founder effect- . The bottleneck effect most likely affects smaller populations.
In the exposed example, extensive hunting acted as a pressure that reduced the number of Northern elephant seals to fewer than 100. This population experienced one or many generations of small size since these animals were affected by hunting. As the survivors did not have the whole genetic pool of the original population, the population size might have recovered to a current population size of 100,000 individuals, but the genetic pool might have not. When the small population increases in size, it will have a genetically different composition from the original one. In these situations, there is a reduced genetic variability, with a possibility of developing a peculiar allelic component. If the survivors in the population carried or developed a mutation, probably this mutation passed from generation to generation. It will involve more individuals each time and increase the probability of developing a genetic disease.
Which trophic level would have the highest population of organisms? WHY?
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Answer: Decomposers,
Explanation: Because technically, they devour everything dead, and this is a very good question.
p.s. I'm new-
Are mules an example of speciation? Why or why not?
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Answer:
Hybrids are the offspring of two species. A mule is the hybrid offspring of a female horse and male donkey. Because mules are sterile, they are not classified as a distinct species. The biological species concept connects the idea of a species to the process of evolution.
HELP ME PLZZZZZZZZZZZZ Clark decides to measure the volume of a rock he found outside. He fills a graduated cylinder with water to 30mL. Places the rock into the water and the water level rises to 37mL. What is the volume of the rock?
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Answer:
The correct answer is - 7 cc or ml.
Explanation:
Given:
The volume of water in a graduated cylinder = 30 mL
The volume of rock = ?
Final volume = 37 ml
Formula:
If an object is placed in water, then the amount of water that is displaced or increased by submerging the object is equal to the volume of the object.
Vi + Vo = Vf
Vi = initial volume
Vo = volume of object
Vf = final volume
Solution:
Placing the values in formula -
30 + Vo = 37
Vo = 37 - 30
Vo = 7 ml or cc.
4. Which of the following are common to all of the
chemical cycles? Select all correct answers.
a. reservoirs and processes
b.an atmospheric component
c. photosynthesis and respiration
d. living things as a reservoir
e. the sun as a source of energy
f.can be affected by human activities
Answers
d. living things as a reservoir
e. the sun as a source of energy
f. can be affected by human activities
Common elements to all of the chemical cyclesLiving things as a reservoir, the sun as a source of energy and human activities are the common elements present to all of the chemical cycles. These factors causes direct impact on the chemical cycle so we can conclude that option d, e and f are the correct statements.
Learn more about chemicals here: https://brainly.com/question/1222323
Question on the image below
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EASY! Please I need help, I will give brainliest.
Answers
The student's results are shown in Fig. 5.2.
ASSIGNMENT - 2021
100
90
80
70
60
time for colour
change
50
7 minutes
40
30
20
10
0+
0
20
40
60
80
100
120
distance from lamp /cm
Fig. 5.2
Describe and explain how the rate of photosynthesis is affected by light intensity
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Answer:
it is changed because the more light that a plant revives is the more energy they havewhich type of fingerprint is shown below? (attachment)
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Explanation:
this is whorl fingerprint
Use your final answer in teguency to compute and solve the peod of waved. Use the back
page of module for your solution in FREQUENCY and write your answers below for your
computation of PERIOD OF WAVE. Use the formula given,
......1
T= -
......f
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Answer:
ওয়েভের পড গণনা এবং সমাধান করতে টেলিগ্রাসে আপনার চূড়ান্ত উত্তরটি ব্যবহার করুন। পিছনে ব্যবহার করুন
মডিউল পৃষ্ঠা
How does a wind turbine produce electricity?
A. It releases kinetic energy to the wind.
B .It releases potential energy to the wind.
C. It converts the wind’s kinetic energy to mechanical energy.
D. It converts the wind’s potential energy to mechanical energy.
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Answer: D
Explanation: Wind turbines generate energy by moving. (Kinetic energy is movement.) Wind turbines, in more detail, are pushed by the wind which causes a transfer of kinetic energy which is then converted by the turbine into electrical energy.
Helpppp!!!
Which of the following options lists all the animals that make up the group "archosaurs" (does not leave any archosaurs out) and only includes animals that are archosaurs?
a. crocodilians, lizards, and dinosaurs
b. dinosaurs and crocodilians
c. birds and dinosaurs
d. birds, dinosaurs, and lizards
Answers
Answer:
a
Explanation:
crocodilians, lizards and dinosaurs
“Scientist have long understood how nutrients move from the oceans surface to its depths. As phytoplankton die, they sink and collect on the ocean floor. But if nutrients are continually sinking to the depths of the ocean, how are surface waters replenished with nutrients? Scientist discovered that in certain regions of the ocean, the nutrients-rich deep water was upwelling, or rising to the surface”
which phrase from the paragraph helps you to understand that ocean health involves steady restoration
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Answer:
"As phytoplankton die,they sink and collect on the ocean floor"......."scientist discover that in certain regions of the ocean the nutrients deep water was rising to the surface"
Explanation:
this shows steady restoration of ocean nutrients
As seen that the death of planktons lead to uprise in oceanic nutrients .the cycle just keeps going on and on
its quite self explanatory
______ support mango trees out of the water.
a. tap roots
b. prop roots
c. sand dunes
d. tide supports
Answers
Answer:
B: Prop Roots
Explanation:
Got it right on Edge
The table above shows the nutritional information in a bottle of pop. Drinking 16 oz of this beverage would provide which of the following?
A.
30% of the total carbohydrates for a person on a 1,000 calorie diet
B.
15% of the total carbohydrates for a person on a 2,000 calorie diet
C.
15% of the total carbohydrates for a person on a 1,000 diet
D.
30% of the total carbohydrates for a person on a 2,000 calorie diet
Answers
Answer:
30% of the total carbohydrates for a person on a 2,000 calorie diet
Explanation:
Study Island
30% of the total carbohydrates for a person on a 2,000 calorie diet will provide if drinking 16 oz of this beverage.
How is 30% 15% in the given table?The table is based on 2000 calories, and one serving is 8 oz.
Thus the question is for two servings.
Which equals 30% carb of a 2k calorie diet.
What are carbohydrates?Carbohydrates are macronutrients that provide energy to our bodies in three ways.Carbohydrate-containing foods are converted into glucose or blood sugar by the digestive system during the digestion process.Thus, we can conclude that option D is the correct option, 30% of the total carbohydrates for a person on a 2,000 calorie diet.
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What’s the best course of action for the person shown below?
A. Start sweating
B. Start exercising
C.drink water
D.remove jacket
Answers
Answer:
c
Expclanation:
Which of the following is a negative consequence of air pollution on people?
A. More crop growth
B. More intense sunlight
C. Less acid rain
D. More lung disease
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3. The human body has devised an excellent method to keep the body pH under control. a. What principle underlies the constant pH of human blood, and how does the blood achieve this
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The normal blood pH for adult humans is 7.40, and this pH value is vigorously defended at normal body temperature
Acid base Homeostasis is the method by which body keeps a constant ph
pH is kept under check via different systems
1. Chemical system :bicarbonate buffer system(explained below )
Respiratory component :
2. Respiratory Component: The second line of dense is rapid consisting of the control the carbonic acid concentration in the ECF by changing the rate and depth of breathing by hyperventilation or hypoventilation. This blows off or retains carbon dioxide (and thus carbonic acid) in the blood plasma as required
3.Metabolic component : third line of defense is slow, best measured by the base excess,eand mostly depends on the renal system which can add or remove bicarbonate ions to or from the ECF.Bicarbonate ions are derived from metabolic carbon dioxide which is enzymatically converted to carbonic acid in the renal tubular cells.There, carbonic acid spontaneously dissociates into hydrogen ions and bicarbonate ions.When the pH in the ECF falls, hydrogen ions are excreted into urine, while bicarbonate ions are secreted into blood plasma, causing the plasma pH to rise.The converse happens if the pH in the ECF tends to rise: bicarbonate ions are then excreted into the urine and hydrogen ions into the blood plasma.
Buffers usually consist of a weak acid and its conjugate base; this enables them to readily absorb excess H+ or OH–, keeping the system’s pH within a narrow range.
Maintaining a constant blood pH is critical to a person’s well-being. The buffer that maintains the pH of human blood involves carbonic acid (H2CO3), bicarbonate ion (HCO3–), and carbon dioxide (CO2). When bicarbonate ions combine with free hydrogen ions and become carbonic acid, hydrogen ions are removed, moderating pH changes. Similarly, excess carbonic acid can be converted into carbon dioxide gas and exhaled through the lungs; this prevents too many free hydrogen ions from building up in the blood and dangerously reducing its pH; likewise, if too much OH– is introduced into the system, carbonic acid will combine with it to create bicarbonate, lowering the pH.
Example: Antacids, which combat excess stomach acid, are another example of buffers.
ECF =Extra cellular fluid
Melanie is asked to list the complementary base pairings of a DNA sample in her lab. What is the MOST appropriate response she can give?
ST, RJ, CO, DI, SE
RFLP and PCR
chromosomes and genes
AT, CG, CG, AT, CG
Answers
Answer:
AT, CG, CG, AT, CG
Explanation:
Hi, the answer is the last one, AT, CG, CG, AT, CG.
When we read the question, it says base pairings of a DNA sample in her lab. The only base pairs in DNA is A, T, C, and G.
A is complementary to T, and C is complementary to G.
Therefore, you can eliminate the first three.
Hope this helps you!
which animal is the Tertiary consumer.
Answers
Tertiary consumers:
snakes, raccoons, foxes, fish. Quaternary consumers: wolves, sharks, coyotes, hawks, bobcats. Note: Many animals can occupy different trophic levels as their diet varies.
What did Gregor Mendel do to study different characteristics in his genetics experiments?
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Gregor Mendel, through his work on pea plants, discovered the fundamental laws of inheritance. He deduced that genes come in pairs and are inherited as distinct units, one from each parent. Mendel tracked the segregation of parental genes and their appearance in the offspring as dominant or recessive traits.
Explain why serine proteases do not catalyze hydrolysis if the amino acid at the hydrolysis site is a D-amino acid. Trypsin, for example, cleaves on the CC-side of L-ArgArg and L-LysLys, but not on the CC-side of D-ArgArg and D-LysLys.
Answers
Answer:
Explanation:
A protease is an enzyme that catalyzes the hydrolysis of the peptide bonds that tie polypeptide chains together, releasing individual amino acid subunits. The L and D nomenclature for amino acids defines the structure of the glyceraldehyde isomer through which the amino acid can be produced.
SEE BELOW FOR THE APPROPRIATE STRUCTURES.
We need to figure out why swine proteases hydrolyze L-amino acids but not D-amino acids in any way. we know that enzymatic catalysts act as polypeptides if you can recall. They must retain a very precise three-dimensional structure for a catalytic activity to occur. Substrates that do not quite match the required configuration at the active site will not be reacted to — this is a "lock and key" style.
The present exercise may be explained by the fact that the configuration and structure of D-amino acids prevent them from binding properly to the active site of the protease enzyme. Perhaps they're pointed in the wrong direction, or perhaps there happens to be missing electrical interaction that's needed to keep the substrate in position.
Nonetheless, L-amino acids, on the other hand, seem to have the right configurational aspects in the active site and are hydrolyzed.
Nuclear hormone receptors form a complex with their ligands, other proteins, and DNA control elements in order to regulate the expression of specific genes. These nuclear hormone receptors have four principal domains. Categorize each trait according to the appropriate nuclear hormone receptor domain with which it is associated.
Answers
Answer:
Explanation:
Nuclear receptors are a type of protein that functions as an intracellular steroid and thyroid hormone receptor. The interaction of these hormones in conjunction with nuclear receptors changes the pattern of gene expression, allowing certain genes to be transcribed while others are silenced.
As a consequence, unique mRNA translation products, proteins, and, in most cases, enzymes are generated. Nuclear receptors connect to DNA directly and control the expression of certain genes, regulating the organisms growth, homeostasis, and metabolism.
The following domains are found in a normal nuclear receptor:
The amino-terminal activation domain contains the transcriptional activation mechanism and is strongly variable in sequence (AF1). The recruiting of coregulators is the domains key feature.
⇒ Activation function 1 (AF1); Coregulator recruitment
DNA binding domain: It is amongst the most closely conserved centrally located domains, with two zinc fingers that attach to specific DNA sequences known as hormone reaction components (HRE).
⇒ nine conserved cysteine residues; zinc finger domain; center of the receptor.
The hiinge domain serves as a versatile connection between the DNA binding and ligand-binding domains. It has a nuclear localization signal in it. ⇒ Nuclear localization signal
Ligand binding domain: The sequence of the ligand-binding domain is moderately conserved throughout nuclear receptors. It denotes the carboxyl-terminal end of a ligand domain. It has hydrophobic steroid-binding pockets that draw the hormone and AF2 activation domains. It also attaches to proteins that serve as coactivators and corepressors.
⇒ binding of corepressor proteins; steroid-binding hydrophobic pocket; AF2 activation domain; binds coactivators; carboxyl-terminal end
Name a food that people eat that would make them a tertiary consumer
Answers
Answer:
By eating foods such as grain-fed chicken, a person would fill the role of secondary consumer, however, if that chicken is also able to eat insects the person is a tertiary consumer.
Explanation: