Answers
Answer:
there would a decrease in prey(food r ror r k
Explanation:
Related Questions
Can someone help with this ?
Answers
Answer:
Explanation:
Similarities: Both are moving particles between different levels of concentration.
Differences: Diffusion, however, is the transport from a high to low concentration and requires no energy, while Active Transport is the movement from low to high concentration and requires energy to do so.
Amylase is an enzyme found in saliva that breaks down starch . The enzyme is currently functioning at its optimal pH of 7 and optimal temperature of 32 degrees * C Which of the following could result in an increase in the reaction rate?
Choose 1 answer : А)Decreasing enzyme concentration B)Placing the reactants in an environment at 10 degrees * C C)Providing an environment with a pH of 9 D)Increasing substrate concentration
Answers
Answer: D- Increasing substrate concentration.
Explanation: Increasing substrate concentration could increase the rate of the reaction, as there would be more substrate to bind with the enzyme. Hope this helps have a great day :) btw i got it right on khan academy.
The option that could result in an increase in the reaction rate would be increasing substrate concentration.
For enzyme-catalyzed reactions, the substrates are the reactants of the reaction.
Generally for reactions, an increase in the concentration of reactants will increase the rate at which products are formed.
Thus, irrespective of the presence or otherwise of the amylase enzyme, increasing the substrate concentration would increase the rate of reaction.
Since the optimal pH and temperature remain 7 and 32 degrees Celsius respectively, changing these factors will only reduce the rate of reaction. Decreasing the concentration of the enzyme would also reduce the rate at which products are formed.
More on enzyme-catalyzed reactions can be found here: https://brainly.com/question/6658074?referrer=searchResults
HElPP MEE PLEEAAASEEEE :( ill mark u brainliest- thankyou so muuch
Answers
Answer:
it's the first one with the rock
Explanation:
I dont need brainliest don't worry.
What genetic condition results in the trait indicated by the blue color being
expressed in the individuals shown here?
Answers
Answer:
ressessive
Explanation:
because it is what present by its phenotype
Blue color being expressed in the individuals shown here is recessive trait.
What is recessive trait?In terms of genetics, the term "recessive" describes the connection between an observed trait and the two inherited forms of a gene associated with that feature.
Each gene has two alleles that an individual inherits from each parent. When a characteristic is recessive, both of the (recessive) alleles of the gene that causes the trait must be present for the trait to manifest. When there is only one copy of an allele, it has no effect at all.
This is in contrast to a dominant trait, which can only be expressed when one of the two alleles is present.
Therefore, Blue color being expressed in the individuals shown here is recessive trait.
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Use the image of the periodic table to answer the following: Which of the
following shows the correct Lewis structure for the element
Answers
Answer:
Wish I could be of help but I like your peppa pig sticker :)
Answer:
its b and the next one is c
Explanation:
The first step in mitosis is:
1.chromosomes pull away from each other
2.the nucleus of the cell forms
3.a cell splits apart
4. second set of chromosomes is produced
Answers
Answer:
(4) a second set of chromosomes is produced
Explanation:
Answer:
It is D. a second set of chromosomes is produced
Explanation:
Hope this helped have an amazing day!
When studying animal behavior, the distribution of organisms within a choice chamber can be studied to identify animal preferences. 20 Isopods are placed in a 2-choice choice chamber. A cotton ball dampened with distilled water is placed in Chamber A; A dry cotton ball is placed in Chamber B. After 15 minutes 2 Isopods are located in Chamber B, and 18 isopods are found in Chamber A. Perform the chi-squared test to determine if the distribution of isopods is significant or due to random chance.a. chi-squared is 1.20, no it is not significant.
b. chi-squared is 8.42, no its not significant.c. chi-squared = 12.8, yes it is significant.d. chi-squared is 18.59, yes it is significant.
Answers
Answer:
The correct option is c. chi-squared = 12.8, yes it is significant.
Explanation:
Available data:
20 Isopods are placed in a 2-choice choice chamber. Different conditions were applied15 minutes later: 18 isopods are found in Chamber A and 2 Isopods are located in Chamber B.H₀= Individuals will be equally distributed
H₁ = Individuals will not be equally distributed.
Chi square= ∑ ((O-E)²/E)∑ is the sum of the terms
O are the Observed individuals: 2 in chamber B, and 18 in chamber A.
E are the Expected individuals: 10 in each chamber
X² = ∑ ((O-E)²/E) = ((2 - 10)²/10) + ((18 - 10)²/10) = 6.4 + 6.4 = 12.8
X² = 12.8
Freedom degrees = K – 1 = 2 - 1 = 1(K = Independent variables = dry cotton and wet cotton)
Significance level, 5% = 0.05 Table value/Critical value = 3.8412.8 > 3.84 meaning that the difference between the observed individuals and the expected individuals in each chamber is statistically significant. Not probably to occur by random chances.
There is enough evidence to reject the null hypothesis. The distribution of isopods is statistically significant.We wish to test if a certain vaccine developed for a
disease is effective or not. What is the best way to do
this?
A
Vaccinate 100 animals
and expose all 100 to the
disease.
B
Vaccinate 100 animals
and expose 50 of them to
the disease.
C
Vaccinate 50 animals, do
not vaccinate 50 other
animals, and expose all
100 to the disease.
D
Vaccinate 50 animals, do
not vaccinate 50 other
animals, and expose the
vaccinated animals to the
disease.
Answers
Answer:
The best way to test the effectiveness of a vaccine against a disease is vaccinate 50 animals, do not vaccinate 50 other animals, and expose all 100 to the disease (option C).
Explanation:
When testing a vaccine for effectiveness, the option is to administer the vaccine to half of the population exposed to a disease, since effectiveness should measure the performance of the vaccine within a community.
If there are 100 animals exposed to a disease, the fact that the 50 vaccinated animals do not get sick is an excellent test of how the vaccine works and what its effectiveness is.
The other 50 animals, not vaccinated, would act as a control group exposed to the same disease and sharing a certain space.
The other options are not correct because:
A. Vaccinating the 100 exposed animals does not provide an unvaccinated control group to compare the effects of the vaccine.
B. Vaccinating all 100 animals and exposing only 50 to the disease does not make sense, since it would not be possible to measure effectiveness in vaccinated animals that are not exposed.
D. Vaccinating 50 animals and not vaccinating the other 50 to expose only the vaccinated animals to the disease does not make sense since the conditions of the test group and the control group should be the same.
In Darwin's Theory of Evolution, he describes how offspring descend with
modification from their parents. All of the following illustrate this concept EXCEPT
Answers
Answer:
C.Darwin used this term to describe change in organisms over time, or evolutionary change.
Explanation:its called look it up and click on the quizlet flashcards link and it will give you all the answers on the whole quiz or assignment and it will just look like you are looking at studying flashcards.
what are the reactants of enzyme-catalyzed reactions called?
Answers
Answer:
substrates.
Explanation:
Substrates bind to a part of an enzyme called the active site and remain bound to the enzyme until the reaction is complete, when the products are released. Temperature, pH, and regulatory molecules can affect the activity of enzymes.
What are 6 signs you're bottling up your emotions?
(Social Psychology and personality Science)
Answers
1. You rarely yell or cry, but you can have an anger outburst over small issues.
2. You avoid and distract yourself whenever you start to feel uneasy.
3. You feel like you’re a different person around others than you are by yourself.
4. You often feel uncomfortable around highly emotional people who express anger, sadness, or other emotions visibly.
5. You feel distanced from others, experiencing life from a third-person perspective.
6. You avoid confrontation and you never address the causes of your emotions.
The two types of reproduction are....
Answers
Answer:
Sexual & Asexual
Explanation:
Hope this helped!
Answer:
asexual and sexual.
Explanation:
trust me on this one
3. Choose the answer that describes biological weathering.
A. acid in water acting on limestone
B. stone and boulders moved by water
C. salt crystallization forming tafoni
D. lichen growing on rocks
Answers
Answer:
should be B
Explanation:
Answer:
c
Explanation:
Lichen growing on rocks and types of bacteria produce chemicals that weather minerals 3 to 4 times faster than normal.
which type of mutation changes the order of the genes but not the number of genes in a chromosome
Answers
Answer:
Inversion Mutation
Explanation:
Inversion is a chromosome rearrangement in which a segment of a chromosome is reversed end to end, so it does not change the chromosome. (sorry if its confusing)
Will mark Brainliest. When the environment changes, nature selects favorable _______. Over time, these ___________ in a population.
Answers
Answer:
first line adaption
second line build-up
Which of the following is NOT a product of glycolysis?
ATP
glucose
pyruvic acid
Answers
Answer: glucose
Have a blessed day!!! :)
3. M. Garcia noticed pain on the left side of his chest under his arm The pain was stronger the
next day and his wife noticed patches of a red bumpy rash in the area of the pain. By the time
he saw his doctor that afternoon blisters and additional red patches had emerged. The doctor
asked about childhood illnesses and confirmed that Mr. Garcia had had chickenpox.
What is the possible diagnosis?!
H
Answers
Answer:
The possible diagnosis of M. Garcia with chest pain radiating to the left arm and the presence of red patches and vesicles is Herpes zoster.
Explanation:
Herpes Zoster is a disease produced by the varicella-zoster virus, and has a history of having had chickenpox in childhood or youth.
The varicella virus remains dormant in the body for several years, and can reappear, presenting as a localized and painful rash that can produce a neuritis in the affected territory.
The clinical symptoms of the M. Garcia —pain in the thorax irradiated to the left arm, red patches and vesicle-blisters— associated to the antecedent of chickenpox make think of a diagnosis of Herpes Zoster.
I need helpppp please
Answers
Answer: Animals move when their brains send signals through nerve cells telling the muscle cells to contract. The action of pulling and relaxing of muscles allows animals to move. ... The cells all rely on the same process to get their energy: cellular respiration, a process that releases energy by combining glucose and oxygen.
hope this helps... stay safe and have a great day...
Explain how reproduction take place in mustard plant
Answers
Answer:
It is a winter plant that inseminates very quickly at high temperatures.
Explanation:
Mustard is an annual plant. Its root is spindle-shaped, well developed, and the stem is erect, branched, small, 50-90 cm high. The lower leaves are larger with a stalk, and the upper ones are smaller sitting. Mustard blooms in late May and early June.
The fruit ripens in the second half of July. The flowers are yellow, fragrant, very honey-bearing with a lot of pollen powder, and are collected in clustered inflorescences. They are pollinated by insects.
The fruit of the mustard is a cylindrical shell, hairy, 2-5 cm long, and about 5 mm wide. The growing season of mustard is 110-130 days.
Will give brainest!!!!
Which of the following is a good example of the way manipulation motive affects motivation?
a) Your dad wants to be the one to 'control' the TV remote control.
b) You paint your bedroom a different color.
c) We do a good deed for someone else.
d) The new mother rocks her baby.
Answers
Answer:
I am pretty sure it is A
I hope this is the right answer.....
Photosynthesis stores energy.
Please select the best answer from the choices provided
True
False
Answers
Answer:
True
Explanation:
it not only stores energy but it feeds the plant
I think that would be true.
which of the following adaptations is most closely related to what the animal eats
a. a poison frogs bright colored
b. the venomous bite of a slow loris
c. a house cats fur
d. a strong jaw bone of a giant panda
Answers
Answer:
D
Explanation:
‼️BRAINLIEST‼️ what is the difference between mitosis and meiosis?
Answers
Answer: Cells divide and reproduce in two ways, mitosis and meiosis. Mitosis results in two identical daughter cells, whereas meiosis results in four sex cells.
sorry if this isn't what you are looking for... Stay safe and have a great day!!! :D
which of the following is a description of a resource that belongs to a country with a high carrying capacity a. water comes directly from bodies of water
b. food is not alwasy available c. homes are small and house many people d. food is brought in from other places
Answers
Answer:
food is brought in from other places
Explanation:
The description of resources that fits a country with a high carrying capacity would be water coming directly from bodies of water.
What is carrying capacity?It refers to the maximum number of individuals of a particular species that an environment can support based on the resources it has.
An environment with a high carrying capacity will be able to support a large population and cater to the resources the population needs.
Thus, water coming directly from bodies of water in an environment fits an environment that is able to cater to the needs of its population.
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Carbon is an important element for biological life because it-
is always attached to oxygen atoms.
can form varied, large, and intricate molecules.
is stable and does not easily go through changes.
is only found in plant species, such as trees.
Answers
Answer:
can form varied large and intricate molecules due to tetra valency and catanation chararter
WILL GIVE BRAINLIEST !! 10 POINTS
Which of the following statements best describes the major difference between prophase I of meiosis and prophase of mitosis?
A. In prophase I, tetrads of homologous chromosomes form and crossing over occurs.
B. In prophase, the nuclear membrane dissolves and spindle fibers attach to the chromosomes.
C. In prophase I, the chromatin condenses to form visible chromosomes. In prophase, the replicated chromosomes are linked together as sister chromatids.
Answers
Answer:
I believe the correct answer is A.
Explanation:
Answer:
the answer is A
Explanation:
In prophase I, tetrads of homologous chromosomes form and crossing over occurs" is the statement among the following statements that best describes the major difference between prophase I of meiosis and prophase of mitosis. The correct option among all the options that are given in the question is option "A".
Jamail and Sheila are arguing about the weather. Jamail thinks that St. Louis will be colder and
rainy in a couple of days. Sheila believes that St. Louis will be warmer and wet. Who is correct?
Write a short answer response in the box provided. Remember to use Claim, Evidence,
Reasoning strategy to answer the question.
PLEASE ANSWER!!! <3
Answers
All living organisms are made up of cells. Unicellular organisms are made up of only one cell. Multicellular organisms are made up of more than one cell.In which kingdoms are both unicellular and multicellular organisms found? A. Protist and Fungus only B. Bacteria and Archaea only C. Plant and Animal only D. Archaea and Protist only
Answers
Answer: protist and fungi
Explanation:
Answer:
tist and Fungus only
Explanation:
its so true tho XXXXXDDDDD
Answers
Answer:
Bruh ong lol
Explanation:
Answer:
hahahah lol
Explanation:
Describe how geologists use index fossils. List the characteristics that make an index fossil.
Answers
A useful index fossil must be distinctive or easily recognizable, abundant, and have a wide geographic distribution and a short range through time. Index fossils are the basis for defining boundaries in the geologic time scale and for the correlation of strata.
A good index fossil is one with four characteristics: it is distinctive, widespread, abundant, and limited in geologic time. Because most fossil-bearing rocks formed in the ocean, the major index fossils are marine organisms. That being said, certain land organisms are useful in young rocks and specific regions.
A index fossil can be recognized easily and abundant, and have a wide geographic distribution and a short range through time. Index fossils are the basis for defining boundaries in the geologic time scale and for the correlation of strata.This all are the benefits of maintaining index fossil.
What is fossil?If scientists excavate two fossils at the grand canyon, one of which found at a much deeper rock layer than other, so we assume that the fossil has been found in the deeper layer has been older and fossil which found in upper layer are newer.
A fossil fuel has been hydrogen- containing material found naturally in the earth's crust from the remain of the dead plants and animals that is extracted and burned as a fuel.
Fossil are the natural source of energy, it has been made from decomposition of the plants and animals. Fossil fuels are said to be found in the earth's crust and it contains carbon and hydrogen which could gives energy by burning.
Therefore, A index fossil can be recognized easily and abundant, and have a wide geographic distribution and a short range through time. Index fossils are the basis for defining boundaries in the geologic time scale and for the correlation of strata.This all are the benefits of maintaining index fossil.
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