A. Negative for phenylalanine deaminase: Cannot break down phenylalanine.
B. Lactose fermenting bacteria are typically acid and gas producers.
C. Yellow reaction in phenylalanine deaminase test indicates phenylalanine breakdown.
D. After incubating SIM motility agar, add reagents to detect metabolic activities.
A) This test is used to determine if an organism can break down phenylalanine. A negative result indicates that the organism cannot break down this amino acid. This information can be helpful in identifying the organism and understanding its metabolic capabilities.
B) Lactose fermenting bacteria are able to metabolize lactose, producing acid and gas. This can be detected using various types of media, such as MacConkey agar or EMB agar. This information can be useful in identifying the organism and understanding its metabolic capabilities.
C) In the phenylalanine deaminase test, a yellow color indicates that the organism can break down phenylalanine, producing the compound phenylpyruvic acid. This information can be helpful in identifying the organism and understanding its metabolic capabilities.
D) After incubating SIM motility agar, various reagents can be added to detect different types of metabolic activities, such as indole production or hydrogen sulfide production. This information can be useful in identifying the organism and understanding its metabolic capabilities.
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Experiment 2:
Compare the circumference of the balloon before and after freezing. What is the percent increase in this measurement?
Answer:
17%
Explanation:
Answer:
17%
Explanation:
If you see an ant digging an anthill, chances are it's:
a. A worker
b. A drone
c. A larva
d. A queen
Answer: A
Explanation:because the queen sits and because i got it right
Which of the following is not a premise of Cell Theory?
l. All cells arise from other cells.
ll. All living cells require water for survival.
lll. All living things are only composed of cells.
Choose 1 answer:
a. I only
b. ll and lll
c. ll only
d. lll only
All cellsarisefromothercells a I only
PLEASE HELP, WILL MARK BRAINLEST
The picture below shows a model of the solar system.
Picture shows the sun in the center and six circular orbits around it. The first orbit around the sun has the planet Mercury, the second orbit has planet Venus, the third orbit has planet Earth, the fourth orbit has planet Mars, the fifth orbit has planet Jupiter, and the sixth orbit has planet Saturn.
Which of these is most likely a use of this model?
make the concepts about solar system more understandable
show the exact distances between objects in the solar system
reproduce every characteristic of the solar system accurately
prove that most theories about the solar system have loopholes
Answer:
A
Explanation:
It is likely used as a representation of the solar system to help visual learners understand better.
Answer:
A
Explanation:
In the body, red blood cells have a much shorter lifetime than cheek cells.
Use ideas about the different structure of these cells to suggest why.
HELPPP ASAPPPP!!!! Plsssss
Answer:
Waxing gibbous
Answer:
waxing gibbous
Explanation:
1 DNA unzips exposing nitrogen bases.
2 RNA nucleotides pair up with their corresponding DNA bases, copying the code.
3 mRNA carries the newly copied code out of the nucleus and to the ribosome.
4 tRNA brings the appropriate amino acids to the ribosome depending on the code.
5 A series of amino acids make up the newly formed proteins.
6 The proteins get to work!
Which of the above steps is Transcription?
Which of the above steps is Translation?
(Please answer ASAP)
Thanks for answering, I appreciate you for the help you have provided me! Enjoy your day/night.
2. A food web explains why there are more _____. It is because more energy is available to _____. A. Decomposers than consumers / consumers b. Producers than decomposers / consumers c. Consumers than producers / producers d. Producers than consumers / producers
Answer:
D
Explanation:
A food web explains why there are more producers than consumers. It is because more energy is available to producers.
The food web is a structural representation of the feeding relationship that exists among the living organisms in a particular environment.
A typical food web groups living organisms as producers, consumers, or decomposers. Producers are those that fix sunlight energy into chemical energy, a process known as photosynthesis while consumers are those that either feed on producers or other living organisms in the environment. The decomposers return both producers and consumers back to the earth and help nutrients circulate in the environment.
In a typical food web, producers are usually more than consumers because more energy is usually available at this level. Less and less energy becomes available as we move up the ladder in each food chain that makes up the food web.
The correct option is D.
Radiant energy is the source of electromagnetic waves, which include x-rays, infrared and ultraviolet waves among others. The diagram below shows the electromagnetic spectrum. Which wave has the greatest frequency?
Answer:
gamma
Explanation:
In the electromagnetic spectrum, gamma rays are the electromagnetic waves which have greatest frequency.
What is electromagnetic spectrum?The electromagnetic spectrum consists of electromagnetic radiation which consists of waves made up of electromagnetic field which are capable of propogating through space and carry the radiant electromagnetic energy.
The radiation are composed of electromagnetic waves which are synchronized oscillations of electric and magnetic fields . They are created due to change which is periodic in electric as well as magnetic fields.
In vacuum ,all the electromagnetic waves travel at the same speed that is with the speed of air.The waves are arranged in decreasing order of energies in the electromagnetic spectrum.There are seven types of electromagnetic waves.
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What usually happens to a population of organisms when the region's carrying capacity has been reached?
Answer:
the population starts to slowly decline
Explanation:
The population will decline drastically because there is not enough resources to sustain the population or increase the population.
Complete a Punnett square for the cross-pollination of a female (TT) and a male (Tt). Write in the correct answers to complete the square.
first row: T, T
first column: T, t
row 2, column 2: TT
row 2, column 3: TT
row 3, column 2: Tt
row 3, column 3: Tt
it doesn't matter whether you put the female (TT) in the first row or the male (Tt) in the first row. you can interchange those positions.
i hope this helps! have a great day :)
what is site of gaseous exchange in an insect
Answer:
what are the answers? if I knew the answers I could tell ya
PLEASE HELP WILL MARK THE BEST!!!!
Answer:
#3#5#7
Explanation:
hopes this helps
Which factor is needed for both thunderstorms and hurricanes to form?
Answer:
C. rising moist air
Explanation:
for the storm to start/process it needs the moist air in order for both hurricanes and thunderstorms to happen, because the rotation with the moistness creates the storms.
Hope this helps
Answer:
rising, moist air
Explanation:
because it is i got it right on my test
How are adaptations passed to offspring?
Group of answer choices
Adaptations skip generations in organisms. Even if one organism "learns" an adaptation, it will be their "grandchild" organism that gets it.
Adaptations are mostly random, as they are genetic. They are written in the DNA. Changes in genes are random. If a mutation happens and the offspring of two parents has a mutation, sometimes that mutation will help it live.
The parents develop during their lifetime, so their DNA changes, and when they mate, the adaptation and then pass it on to offspring
Parents purposely CHOOSE which adaptations they give to their offspring, because they can choose which half of their genes are going to go into that organism, and predict how it will mix with it's mates genes. it is planned out to ensure species survival. This is especially true in flowering plants.
In evolutionary theory, adaptation is the biological mechanism by which organisms adjust to new environments or to changes in their current environment. The idea of natural selection is that traits that can be passed down allow organisms to adapt to the environment better than other organisms of the same species.
Therefore, the answer is :
Adaptations are mostly random, as they are genetic. They are written in the DNA. Changes in genes are random. If a mutation happens and the offspring of two parents has a mutation, sometimes that mutation will help it live.
What describes the conversion of ADP to ATP?
A)an input of energy as both phosphate groups detach
B)a release of energy as one phosphate group detached
C) a release of energy as a third phosphate group is attached
D) an input of energy to attach a third phosphate group
Answer:
D
Explanation:
The option that describes the conversion of ADP to ATP is D) an input of energy to attach a third phosphate group.
What is ADP?ADP (adenosine diphosphate) is a molecule that is made up of adenosine and two phosphate groups. ATP (adenosine triphosphate) is a molecule that is made up of adenosine and three phosphate groups. The conversion of ADP to ATP is an energy-intensive process that requires an input of energy.
The third phosphate group is attached to ADP by a process called phosphorylation. Phosphorylation is an energy-requiring reaction that uses ATP as a source of energy.
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1. What are 5 sources of natural gas used today.
WILL GIVE BRIANLIEST
What evidence supports the law of conservation of energy?
Light energy is converted to chemical energy during photosynthesis.
Oxygen is made from the breakdown of carbon dioxide during photosynthesis.
Energy is absorbed by chlorophyll during photosynthesis.
The sun gives off light energy that is absorbed by plants.
Answer:
Light energy is converted to chemical energy during photosynthesis.
Explanation:
nevermind.............
why do you think using a person's own cell to make a new organ or tissue for them will increase the chance that their body will accept the transplant?
Answer:
In my personal opinion, I think this is possible because your body already knows the cell. It is already familiar with it.
Explanation:
Science cells pls help
Answer:
sou brasileira bem não posso ajudar ok
2. RNA polymerase is a type of enzyme. Enzymes help chemical reactions occur quickly. Click the Release enzyme button, and describe what happens.
Answer:
The nucleotides are split
Explanation:
With the release of enzyme, enzyme take part in the chemical reaction without utilizing in it.
When the enzyme release by any glands in the body, it attached to the substrate and speed up the chemical reaction without using in it. Once the chemical reaction ended, the enzyme which attached the substrate earlier detached and then attached other substrate in order to speed up the chemical reaction.
Without enzyme, chemical reaction occurs but at a very slower rate so we can conclude that with the release of enzyme, enzyme take part in the chemical reaction without utilizing in it.
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1. Look at the five structures shown here. How do you think they are related to each other?
Answer:
They are all related to cells
Explanation:
;^; can you list the answers
DNA is a structure made up of two coiled polynucleotide chains with nitrogenous bases present in chromosomes. These chromosomes are present in the nucleus of the cell. These cells together form an organism.
What are Cells?Cell is define as the smallest unit which can live on its own and that makes up all living organisms and the tissues of the body. A cell has three main parts:
1. The cell membrane
2.The nucleus
3. The cytoplasm.
A nucleus is defined as the membrane-enclosed organelle within a cell that contains chromosomes. It is an array of pores, or pores, in the nuclear membrane that allow the selective passage of certain molecules, such as proteins and nucleic acids, into and out of the nucleus.
Chromosomes are define as the threadlike structures made of protein and a single molecule of DNA which serve to carry the genomic information from cell to cell. These DNA (Deoxyribonucleic acid) is a polymer which is composed of two polynucleotide chains that coil around each other to form a double helix consisting of nitrogenous bases.
Thus, DNA is a structure made up of two coiled polynucleotide chains with nitrogenous bases present in chromosomes. These chromosomes are present in the nucleus of the cell. These cells together form an organism.
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Which scenario would most likely result in cooperative hunting? Finches eat grass seeds, but grass seeds are not found in an area during winter months. A shark eats a certain kind of fish, and the fish swim together when the shark comes close. Wolves eat rabbits, and the number of rabbits in an area is low. Lions eat zebra, and there are a lot of zebra and lions living in an area.
Grace and Carlos are going for a walk the temperature is -15°C with wins at 10 to 12 mph what should I wear
What activities can increase the amount of atmospheric CO2?
Answer:bush burning
Explanation:
Since CO2 is a byproduct of combustion, it is released in a large quantity during bush burning
DNA relays information in the _______ of its nitrogenous bases.
1.Length
2.Size
3.Order
4.Composition
Answer:
3
Explanation:
DNA RELAYS INFORMATION IN THE ORDER OF ITS NITROGEN BASES
BRAINLIEST Explain the difference between a scientific law and a scientific theory.
Answer:
A theory is a group of related hypotheses that can be accepted as true based on repeated investigations with similar results. A law is a scientific concept that explains what patterns of behavior will be seen through repeated investigations
Explanation:
sample response on edge
A scientist is studying a worm. It is three millimeters long and pointed at each end. The worm is unsegmented and has only male reproductive structures.
Which kind of worm is the scientist most likely studying?
a tapeworm
a flatworm
a roundworm
an earthworm
Answer:
i think the answer is c roundworms
Explanation:
i know im right becausee i made a 90% with this being right
Answer:
a roundworm
Explanation:
I got the answer right on quiz .
2. The theory that shows that the Sun is in the center of the solar system is called
a. Geocentric Theory
b. Scientific Theory
C. Egocentric Theory
d. Heliocentric Theory
The Colorado River provides water and electricity for over 40 million people. But so much water is withdrawn from this river for agriculture/livestock and drinking water, that very little of it reaches the sea. Due to drought and overuse, it currently is drying up. This will be a major problem because crops and livestock in the USA depend on this water. What percent of the nation's crops and livestock rely on the river's water?
Answer:
About 80%
Explanation: