Radiation from the Sun heats the land during the day. A circular current of warm air rises from the land and moves out to sea, where it cools. This process of moving air is best described as ___________.
A.
radiation and conduction
B.
convection
C.
conduction
D.
radiation
Answers
Answer:
D
Explanation:
Related Questions
can anybody help me out??
Answers
What are ways to determine if a neuromotor exercise is too advanced for an individual?
a. The individual is unable to maintain proper posture during the activity.
b. Body segments are not in alignment.
c. Balance is lost.
d. All of these.
Answers
Maintaining proper posture, proper alignment of body segments, and balance are all essential components of neuromotor exercises.
If an individual is unable to maintain these components, it indicates that the exercise is too advanced for them. These signs could indicate that the individual is not ready for the exercise, lacks the necessary strength or coordination, or may need to perform simpler exercises to build up to more advanced movements. It is important to identify these signs to prevent injury or setbacks in the individual's progress.
The ways to determine if a neuromotor exercise is too advanced for an individual include all of the options mentioned, which are:
a. The individual is unable to maintain proper posture during the activity.
b. Body segments are not in alignment.
c. Balance is lost.
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Salivary amylase is an enzyme found in the mouth. It breaks down starch into sugars. Which of these best explains why salivary amylase does not break down proteins?.
Answers
The best option that explains that why salivary amylase does not break down proteins is that proteins do not have the right substrate for the enzymes.
In the field of biology, we can describe enzymes as biological catalysts that are used to speed up a reaction. Each enzyme is specific for a reaction because the active site of an enzyme is specific for a particular reactant.
As salivary amylase is an enzyme that is specific for breaking down starch because its active site is specific for the starch reactants, hence the amylase enzyme will not work for proteins. The protein reactants will not fit into the active site of the salivary amylase enzyme.
Although a part of your question is missing, you might be referring to this question:
Salivary amylase is an enzyme found in the mouth. It breaks down starch into sugars. Which of these best explains why salivary amylase does not break down proteins?
a) The enzyme is the wrong substrate for proteins
b) proteins do not have the right substrate for the enzymes.
c) Proteins do not have the proper active site for the enzyme to work on them.
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can u guys help me plzz i need help so badly
Write an example of a four-member food chain from the food web above.
Identify an organism in this food web that is:
a producer:
only a primary consumer:
a top carnivore:
an omnivore:
Answers
Answer:
Bladderwort > Grass carp > Great blue > American Alligator
for the food chain ^^
an omnivore: raccoon
only a primary consumer: grass carp
a producer: butterfly orchid
QUESTION 1 Exercise 11.10. Butterflies. Alice, Bob, and Charlotte are looking for butterflies. They look in three separate parts of a field, so that their probabilities of success do not affect each other. • Alice finds 1 butterfly with probability 17%, and otherwise does not find one • Bob finds 1 butterfly with probability 25%, and otherwise does not find one • Charlotte finds 1 butterfly with probability 45%, and otherwise does not find one Let X be the number of butterflies that they find altogether. Write X as the sum of three indicator random variables, X1, X2, X3 that indicate whether Alice, Bob, Charlotte (respectively) found a butterfly. Then X= X1+X2 +X3. Find the expected value of X by finding the expected value of the sum of the indicator random variables. Your answer will have two decimal places. **This is a straight forward expected value of a sum of random variables, nothing fancy here! QUESTION 2 Exercise 11.16. Flipping coins. Flip a coin until the second head comes up. Let X be the number of flips needed to get the second head. What is the E(X). The first step is to find the expected value of getting the first head. Is this like Example 11.10, sampling without replacement, OR like Example 11.11, sampling with replacement? O A. Example 11.10, sampling without replacement O B. Example 11.11, sampling with replacement QUESTION 3 Exercise 11.16. Flipping coins. Flip a coin until the second head comes up. Let X be the number of flips needed to get the second head. What is the E(X). The first step is to find the expected value of getting the first head. What is the expected value of getting the first head? This will be an integer answer. QUESTION 4 Exercise 11.16. Flipping coins. Flip a coin until the second head comes up. Let X be the number of flips needed to get the second head. What is the E(X). The next step is to find the expected value of getting the second head. Because this is identical to finding the expected number of rolls for the first head (independent events), we just multiply the first head's expected value by 2. This will be an integer answer. QUESTION 5 Exercise 11.17 (a). Waiting for favorite song. Michael puts his iTunes on shuffle mode where songs are not allowed to be replayed. He has 2,781 songs saved on iTunes, and exactly one of these is his favorite. How many songs is he expected to have to listen to until his very favorite song comes up? Is this like Example 11.10, sampling without replacement, OR like Example 11.11, sampling with replacement? A. Example 11.11, sampling with replacement B. Example 11.10, sampling without replacement
Answers
In Exercise 11.10, the expected value of the number of butterflies found by Alice, Bob, and Charlotte is obtained by finding the expected value of the sum of three indicator random variables.
In Exercise 11.16, the expected value of the number of flips needed to get the second head in a coin flipping experiment is determined. These exercises involve different scenarios of sampling with and without replacement.
In Exercise 11.10, the expected value of X, the total number of butterflies found, is found by calculating the expected value of each indicator random variable (X1, X2, X3) representing whether Alice, Bob, and Charlotte found a butterfly, respectively.
The expected value of each indicator variable can be obtained by multiplying the probability of success (finding a butterfly) by 1 and the probability of failure (not finding a butterfly) by 0. Then, the expected value of X is calculated as the sum of the expected values of the indicator variables.
In Exercise 11.16, the expected value of X, the number of flips needed to get the second head, is determined. To find this value, we first need to find the expected value of getting the first head. This scenario is similar to Example 11.11, which involves sampling with replacement.
Each coin flip is an independent event, and the probability of getting a head is constant at 0.5.
Therefore, the expected value of getting the first head is 1/p, where p is the probability of success (0.5 in this case).
In Exercise 11.17 (a), the scenario of waiting for a favorite song in Michael's iTunes playlist involves sampling without replacement. Each song played is not replayed, and there is only one favorite song among the total number of songs.
Therefore, this scenario is similar to Example 11.10, sampling without replacement.
To find the expected number of songs Michael needs to listen to until his favorite song comes up, the formula for sampling without replacement is used, which is the reciprocal of the probability of selecting the favorite song at each step.
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will give brainliest
Order the planets from nearest to farthest from the Sun.
Venus
Mars
Mercury
Uranus
Neptune
Jupiter
Earth
Saturn
Answers
Saturn
Earth
Jupiter
Neptune
Answer:
mercury
venus
earth
mars
jupiter
saturn
uranus
neptune
Explanation:
pls tell me if wrong
The cross between AaBb X aabb yielded the following results:
a. AB 12.6%
b. ab 11.9%
c. Ab 37.4%
d. aB 38.1%
Answers
Option 1) .AB//ab is the genotype of the heterozygous individual in P1 Parent AaBb x aabb. An organism's genotype is made up of all of its genetic components.
So heterozygous parent is AaBb and second parent is homozygous recessive aabb.
b. Map distance between A and B gene = total number of recombinat / total number of individual x 100
AB and ab are parental whereas Ab and aB are recombinant.
Map distance between A and B gene = ( Ab + aB )/(AB +ab +Ab +aB) x 100
= (37.4+38.1)/(12.6+11.9+37.4+38.1) x 100
= 75.5/ 100x 100= 75.5 map unit
so these genes are not linked
An organism's genotype is made up of all of its genetic components. The term "genotype" can also be used to describe the alleles or genetic variations that a person possesses in a certain gene or genetic region.
The ploidy, or number of copies of each chromosome, found in that species, determines how many alleles a person can have for a given gene. Due to the presence of two complete sets of chromosomes in diploid animals like humans, each person has two alleles for each gene.
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Full Question : The Cross Between AaBb X Aabb Yielded The Following Results: AB 12.6% Ab 11.9% Ab 37.4% AB 38.1% What Is The Genotype Of The Heterozygous Individual In P1? These Are The Answer Choices: AB//Ab Ab//Ab AA//Bb Aa//BB Ab//AB Question 2: What Is The Map Distance Between The Two Loci?
The cross between AaBb X aabb yielded the following results:
AB 12.6%ab 11.9%Ab 37.4%aB 38.1%What is the genotype of the heterozygous individual in P1? these are the answer choices:
AB//ab
Ab//Ab
AA//bb
aa//BB
Ab//aB
The diagram represents a dihybrid cross between two pea plants that are heterozygous for both seed color and seed shape.
What is the phenotypic ratio of the offspring?
- 1:1:1:1:2:2:2:2:4
-1:3:3:9
-1:4
-4:12
Answers
Answer:4:12
Explanation:
This question already provides you with the punnet square, genotypes resulting from the cross, and phenotypes resulting from the cross. Simply count the number of green phenotypes (the green circles), and compare them to the number of yellow phenotypes (yellow circles), and you get 4 green for every 12 yellow.
species that occur in the same location and are phenotypically different are called species.
Answers
Sympatric speciation are the kind of species that occur in the same location and are phenotypically different.
Here gene flow is occuring and there is no physical barrier between the two but if populations become separated, gene flow between them ceases.
speciation occurs even through the 2 groups are leaving in the same location which is unlike the allopatric speciation.
when they exist differently, they cannot interbreed and exist as 2 different species with many different characters.
we can say that from the ancestral species, a new variety of species arises with no geographical isolation
in sympatric speciation, we can see speciation phenomenon most commonly occurs through polyploid.
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What is the other side of the following DNA strand: ACCTGGTAACGT
Answers
Answer:
TACGGCA
Explanation:
We want to find the complementary strand of
ATGCCGT
.
Remember that
A
is adenine,
G
is guanine,
C
is cytosine, and
T
is thymine.
Adenine always bonds with thymine, and guanine only bonds with cytosine. In
RNA
however, uracil
(
U
)
is substituted for thymine instead.
So, in translation, adenine turns into thymine, and guanine turns into cytosine, and vice-versa.
So, the complementary side would read
TACGGCA
.
The desmosome-like structures that attach adjacent cardiac muscle cells are called
A) fasciae adherens.
B) gap junctions.
C) intercalated disks.
D) T tubules.
Answers
The desmosome-like structures that attach adjacent cardiac muscle cells are called intercalated disks. The correct option is C.
These structures play a critical role in maintaining the mechanical and electrical connections between individual cardiac muscle cells, allowing for synchronized contraction of the heart muscle. Intercalated disks contain both desmosomes, which anchor adjacent cells together, and gap junctions, which facilitate the passage of electrical signals between cells. In addition, intercalated disks also contain fasciae adherens, which provide additional mechanical strength to the connection between cells.
Overall, the intercalated disks are a crucial component of the specialized tissue architecture that allows the heart to function effectively as a coordinated pumping organ.
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suppose a mutation induces expression of the b-class gene in all four floral whorls. assuming a-class and c-class genes are expressed normally, what is the expected structure of the flower from the outside to the inside?
Answers
If a mutation induces expression of the B-class gene in all four floral whorls while A-class and C-class genes are expressed normally, the expected structure of the flower from the outside to the inside would be: petals (whorl 1), petals (whorl 2), stamens (whorl 3), and carpels (whorl 4).
The floral organ identity is determined by the ABC model, where A-class genes control sepals, A+B-class genes control petals, B+C-class genes control stamens, and C-class genes control carpels.
In this case, the mutation causes the B-class gene to be expressed in all whorls, which would alter the typical flower structure.
Hence, The mutated B-class gene expression in all four whorls would result in a flower with petals in the first two whorls, stamens in the third whorl, and carpels in the fourth whorl, assuming normal A-class and C-class gene expression.
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what is the next number of the sequence?
0.99, 9.9, 99, 990, ____
Answers
I believe the next number is 9900
Reason: To get the next number in the sequence, move the decimal point
0.99 —> 9.9
9.9 —> 99.
99. —> 990.
990. —> 9900.
Sorry if wrong
martí-centelles, v., pandey, m.d., burguete, m.i., and luis, s.v. (2015). macrocyclisation reactions
Answers
The paper by Martí-Centelles et al. (2015) is a review of macrocyclization reactions, which are chemical reactions that form cyclic molecules.
The authors discuss the different types of macrocyclization reactions, the factors that influence their efficiency, and the applications of macrocyclic compounds.
The paper begins by providing a brief overview of macrocyclic compounds. Macrocyclic compounds are cyclic molecules that contain a large number of atoms. They can be found in nature, such as in the antibiotic vancomycin, or they can be synthesized in the laboratory. Macrocyclic compounds have a variety of properties that make them useful in a wide range of applications, including drug delivery, catalysis, and molecular recognition.
The next section of the paper discusses the different types of macrocyclization reactions. The authors focus on three main types of reactions: ring-closing metathesis, ring-closing olefination, and ring-closing aldol condensation. They discuss the advantages and disadvantages of each type of reaction, as well as the factors that influence their efficiency.
The final section of the paper discusses the applications of macrocyclic compounds. The authors discuss how macrocyclic compounds are used in drug delivery, catalysis, and molecular recognition. They also discuss some of the challenges that need to be addressed in order to further develop the use of macrocyclic compounds.
The paper by Martí-Centelles et al. (2015) is a comprehensive review of macrocyclization reactions. It provides a valuable overview of the different types of reactions, the factors that influence their efficiency, and the applications of macrocyclic compounds. The paper is a valuable resource for researchers who are interested in working with macrocyclic compounds.
Here are some of the key findings of the paper:
Macrocyclization reactions are a versatile way to synthesize cyclic molecules.There are a variety of different types of macrocyclization reactions, each with its own advantages and disadvantages.The efficiency of a macrocyclization reaction can be influenced by a number of factors, including the structure of the starting materials, the reaction conditions, and the presence of catalysts.Macrocyclic compounds have a variety of potential applications, including drug delivery, catalysis, and molecular recognition.The paper by Martí-Centelles et al. (2015) is a valuable resource for researchers who are interested in working with macrocyclic compounds. It provides a comprehensive overview of the different types of reactions, the factors that influence their efficiency, and the applications of macrocyclic compounds.
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what the parts of Earth's biosphere
Answers
Answer:
lithosphere, atmosphere and hydrosphere.
Explanation:
Answer:
the hydrosphere
the atmosphere
the lithosphere
Explanation:
The hydrosphere is all waters on the Earth's surface, such as lakes and seas, and sometimes including water over the Earth's surface, such as clouds.
The atmosphere is the Earth's layer of gases, commonly known as air, that is retained by Earth's gravity.
The lithosphere is the rigid part of the earth, consisting of the crust and upper mantle.
Name the living element of xylem.
PLZ ANSWER MY QUESTION IF U KNOW
Answers
Answer:
The xylem tracheary elements consist of cells known as tracheids and vessel members, both of which are typically narrow, hollow, and elongated. Tracheids are less specialized than the vessel members and are the only type of water-conducting cells in most gymnosperms and seedless vascular plants.
which statement about fermentation could be correct?
Answers
Answer:
Fermentation is the process in which a carbohydrate source is converted in the absence of oxygen
the sector is engaged in providing services to individual consumers and businesses
Answers
I think it's helpful for you.
Pls mark it as brainlist. Please
A parent with Type A blood and a parent with Type O blood have a child. Which of the following is a possible genotype of their offspring?
Answers
Which of the following would be a form of pollution directly caused by cars on the highway?
O waste dumped into area streams
O fire on a local river from an oil slick
O atmospheric pollution falling from the sky
O overuse of production causing groundwater shortage
Answers
Answer: c
Explanation:
all you need is in the photo
ASAP
Answers
Answer:
translation; mRNA --> protein.
It includes three steps: initiation, elongation, and termination.
Explanation:
After the mRNA is processed, it carries the instructions to a ribosome in the cytoplasm. Translation occurs at the ribosome, which consists of rRNA and proteins
in the life cycle for the intestinal trematodes fasciolopsis/fasciola and heterophyes, which stage infects snails?
Answers
Fasciola parasite is a parasite that can infect snails.
Fascioliasis is a zoonotic disease transmitted through water and also through food consumption caused by two parasites of the Trematoda class, the Fasciola genus, namely Fasciola hepatica and Fasciola gigantica. Fascioliasis is more common in livestock and other animals than in humans because humans are incidental hosts and become infected by ingesting watercress or contaminated water.
Cercariae develop from germ cells in the media and then escape from the snail through exit pores. Cercariae are initially free-swimming and then settle in vegetation and each encyst becomes a metacercaria which has a life span of 2–3 months.
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Please help with completing this chart it dues tmr PLS
Answers
Cirrhosis of the liver can be caused by infection with the hepatitis B virus (HBV). It can also result from excessive consumption of alcohol. This means that HBV, with regard to cirrhosis, is:
Answers
HBV is a significant risk factor for cirrhosis of the liver, alongside excessive alcohol consumption.
When a person contracts HBV, the virus attacks the liver and can cause inflammation and damage to the liver cells. If this damage is not repaired, it can lead to the formation of scar tissue, which can eventually progress to cirrhosis. Similarly, excessive alcohol consumption can also cause inflammation and damage to liver cells, leading to the formation of scar tissue and ultimately, cirrhosis.
It's worth noting that not everyone who contracts HBV or drinks excessively will develop cirrhosis. The risk of cirrhosis depends on various factors, such as age, genetics, and overall health.
However, it's essential to take steps to protect your liver health, such as getting vaccinated against HBV and avoiding excessive alcohol consumption, to reduce the risk of developing cirrhosis. If you suspect that you may have HBV or are concerned about your liver health, it's crucial to speak to a healthcare professional.
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Which of the following results from a rupture of the flexor digitorum profundus tendon? a. Jersey finger b. Boutonniere deformity c. Mallet finger
Answers
The condition that results from a rupture of the flexor digitorum profundus tendon is a. Jersey finger.
The other two conditions you mentioned are related to different tendons or structures in the hand:
b. Boutonniere deformity occurs when there is damage to the central slip of the extensor tendon.
c. Mallet finger results from a rupture or avulsion of the extensor tendon at the distal interphalangeal joint.
Jersey finger is the result of a rupture of the flexor digitorum profundus tendon. It occurs when the tendon is torn or avulsed from its insertion point on the distal phalanx (the bone at the tip of the finger). This injury typically happens when the finger is forcefully extended while the person is gripping an object, such as an opponent's jersey in sports like American football.
Jersey finger is characterized by the inability to flex the affected finger at the distal interphalangeal joint (DIP joint). The person may experience pain, swelling, and bruising, as well as difficulty using the finger for gripping or grasping objects. The finger may appear straight or slightly extended at the DIP joint.
Treatment for Jersey's finger usually involves surgical repair to reattach the torn tendon to the bone. If left untreated, it can lead to long-term functional impairment and weakness in finger flexion. Rehabilitation exercises and physical therapy are important for recovery and restoring finger function after surgical intervention.
Therefore, the correct option is A.
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Microscopes helped scientists to observe all of the following characteristics EXCEPT:
A.
which organisms have a nucleus
B.
which organisms have a cell wall
C.
which organisms sexually reproduce
D.
which organisms are multicellular or unicellular
PLEASE HELP IM NOT THAT GOOD IN SCIENCE!!!
Answers
Answer:
Which organisms sexually reproduce
What is true for both endocytosis and exocytosis?
A) Both take substances into the cell.
B) Both release signaling molecules.
C) Both decrease the surface area of the cell membrane.
D) Both require energy.
Answers
Answer:
Both require energy.
Explanation:
Because they transport substances into and out of the cell by active transport that requires energy
Ferns, such as the one in the picture, can be found today. They are usually found
growing in warmer climates. However, fossils of ferns have been found in places with
cold climates where it often snows today. What can we conclude about the places
where the fossils of ferns have been found?
A. Ferns used to live in cold climates.
B. These places once had a warmer climate.
C. Someone tried to grow ferns in cold climates.
D. These places once had a colder climate.
Answers
Answer:
B. These places once had a warmer climate.
Explanation:
They're fossils meaning they're extremely old therefore the climate they once grew in was suitable for its needs until the climate changed causing them to die.
A teacher proposed that her class should consider using a jigsaw puzzle as a model of a scientific theory. The completed puzzle represents the theory and the connecting puzzle pieces represent the individual hypotheses that are connected in the theory. What is a limitation of a jigsaw puzzle as a model for scientific theory? Options: A) It does not represent the way that some hypotheses might be rejected. B) It gives the idea that established theories are not subject to change. C) It does not represent theories that do not involve any hypotheses. D) It gives the idea that information used to develop a theory is connected.
Answers
Explanation: Just helped someone answer this question.
Hope this helps ʕ•ᴥ•ʔ
Can an enzyme be recycled? Explain.
Answers
Answer:
Enzymes serve as catalysts to many biological processes, and so they are not used up in reactions and they may be recovered and reused. However, in a laboratory setting, reactions involving enzymes can leave the enzyme unrecoverable. This process makes the enzyme at once less reactive but more stable.