Answer:
The reaction catalyzed by an enzyme is very specific. Most enzymes are proteins with unique three-dimensional configurations based on their amino acid sequence. The specificity of an enzyme can be attributed to the compatibility between the shape of the enzyme's active site and the shape of the substrate
Answer:
enzymes have a 3D shape to basically fit, like a puzzle and if it doesnt fit there is no activity
Explanation:
PLEASE HELP THIS CAN HELP MY GRADE IN THIS CLASS SO MUCH
Answer:
what are the answer choices
Which type of heat transfer causes a person sitting by the fire to feel warm?
a, absorption
b, conduction
c, convection
d, radiation
Match these items.
1. flower parts
hyphae
2. cone parts
pistil and stamen
3. fungi parts
mitosis
4. fern parts
scales
5. vegetative reproduction
leaf and spore case
6. cell division
without seeds
1. flower parts- Pistil and Stamen
2. cone parts- Scale
3. fungi parts- Hyphae
4. fern parts- Leaf and Spore Case
5. vegetative reproduction-Without Seeds
6. cell division- Mitosis
3. The Kinetic Theory describes the ____
all matter
of particles in
all matter
What does it take to become a king?
Answer:
Alternatively, an individual may become monarch by right of conquest, acclamation or a combination of means. A monarch usually reigns for life or until abdication. If a young child is crowned the monarch, a regent is often appointed to govern until the monarch reaches the requisite adult age to rule.
Explanation:
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Why is it important to Understand human sexuality?
Explanation:
Sexuality implies that maybe people should understand the anatomy and learn the vocabulary about the various areas of the body. This really is essential because it's their body. Although it's essential, because then people can express their feelings with a physician if they've had a serious health issue, so that he or she will fully comprehend their problem.
Scientists can find new discoveries that change their current understanding of scientific knowledge. (3 points) True False
Answer:
true
Explanation:
Answer:
True
Explanation:
Which of the following shows levels of organization in living things, from smallest to largest?
A)organ - cell - organ system - tissue
B)organ system - tissue - cell - organ
C)cell - tissue - organ - organ system
D)organ system - organ - tissue - cell
Answer:
C. cell- tissue- organ- organ- system
What is the name of the molecule that contains three phosphates and is
the primary energy currency of cells?
Answer: ATP
Explanation: ATP is the name of the molecule that contains three phosphates and is the primary energy currency of cells.
Plants release oxygen into the
atmosphere by...
A. Splitting apart water molecules
B. Splitting apart carbon dioxide
C. Attaching water together
D. Attaching oxygen together
Answer:
A
Explanation:
Plants use water in the process of photosynthesis, (to make food) but they don't need all of it. They use carbon dioxide, the stuff people and animals breath out, and release oxygen for us to breath, then we breath out carbon dioxide again and the process happens again.
Fun fact: Did you know that rain forests make their own weather? Plants not only release oxygen into the air, but tiny droplets of water. (water vapor, and this part of the water cycle is called transpiration) Those droplets condense and form clouds. That's why it rains every day in tropical forests. Cool huh?
1. A volcanic eruption levels the land in the surrounding area,
covering everything with ash and killing almost all living things. This is
classified as a
limiting factor.
2. As the population of elks in a forest increases, the decreasing
availability of their food source, aspen and willow leaves, acts as a
limiting factor.
3. Part of a forest is clear-cut to make room for new buildings and
roads as part of a housing development. This decreases the available
habitat for all species, making it a
limiting factor.
The limiting factors for these scenarios are density dependant or density-independent.
The growth or decrease of a population depends on factors that can or cannot be related to the number of inhabitants that the population has.
Density dependant limiting factors: the growth rate of a population changes due to the increase in a population's density, that is to say, the number of inhabitants, has a direct impact on the growth or decrease of this population.
Density Independent limiting factors: the growth rate of a population changes due to factors that are not related to the population itself. In other words, they are external factors, such as a volcanic eruption, that affect the rate.
In conclusion, a volcanic eruption covering everything in ash and killing almost all living things is a density-independent limiting factor. The increase in the population of elks and the decrease in their food source is a density dependant limiting factor, which makes elks compete for food. Lastly, part of a forest being clear cut to make room for buildings, and decreasing the available habitat for species is a density-independent limiting factor.
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The evolution of a species is dependent on changes in the genome of the species. Identify two mechanisms of genetic change, and explain how each affects genetic variation.
Answer:
Mutation, fertilization, meiosis are different mechanisms by which changes can occur in the genome.
Explanation:
There are several process which is responsible for causing change in the genome of the species which results in the evolution of that species. Some of these processes are:
1. Mutation: In mutation, some nucleotide sequences get change and this change can occur due to frameshift, addition, deletion or any other process. This change in nucleotide can be seen in phenotype and helps in the evolution of the species.
2. Fertilization: During fertilization mixing of the genome of two individual takes place which results in producing a genetically distinct offspring which contains variation. So as the offspring is genetically different it can contain new alleles that can help the individual to survive in the changing environment.
Two mechanisms or vehicles through which genetic change occurs are;
Mutation and Gene flowMutation occurs when there is a mistake in the DNA sequence of an organism. When an egg and a sperm bearing the faulty DNA sequence mate, a mutated organism is formed.
A standing genetic variation is formed through mutation because of the differences in the organisms of a population.
Phenotypes that indicate the physical appearance of organisms change during mutation.
Gene flow is another channel for genetic change. It occurs when two populations with different allele frequencies unite in the same environment and then assume similar allele frequencies.
When mating occurs, the allele frequencies of these populations can assume similarity.
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In general, which type of scientific knowledge or understanding is least well supported?
O fact
O hypothesis
O theory
Olaw
What piece of equipment is used to measure mass?
Answer:
triple beam balance
Explanation:
Hope this helped <3
Process by which bacteria converts nitrates into nitrogen gas
Which dye could the technician use to determine whether the cells are prokaryotic or eukaryotic?
Eosin
Nile blue
Acridine Orange
Osmium Tetroxide
Answer:
nile blue should be the correct answer
6. Which of the following are the control variables?
A. Both number of fish and temperature B. Both temperature and light
I
C. Both light and behavior of fish
D. Both number of fish and behavior of fish
Answer:
Option (A)
Explanation:
As temprature can be regulated as well as the number of fish can be changed
Why does temperature not change during phase change?
Answer:
during phase change, the energy supplied is used only to separate the molecules,no part of it is used to increase the kinetic energy of the molecules. So its temperature will not rise, since kinetic energy of molecules remains the same.
cell type making up most of your body tissue
Answer:
Connective tissue. Connective tissue is the most abundant tissue type in the body. In general, connective tissue consists of cells and an extracellular matrix. The extracellular matrix is made up of a ground substance and protein fibers.
7. If you look closely at an image of a clear-cut forest, you can see that clear-cutting does more than just remove trees from an ecosystem. What other effects will clear-cutting have on this ecosystem? Select all answers.
a. runoff will affect the stream ecosystem
b. Erosion will remove nutrient-rich topsoil.
c. Nutrients continue to cycle into the soil.
d. Some animal populations will move away .
Answer:
d
Explanation:
d is the answer ........................................Answer:
j7hy56gt
Explanation:
100 points
Due Oct 12, 11:59 PM
Extension Draw a diagram and write a paragraph which explains how humans have produced a desired characteristic in
a cow through selective breeding. Use an example in your answer. Also, explain the advantage of your desired
characteristic.
Write down some of the limitations of selective breeding
Answer:
If this is supposed to be an essay, do some reaseach...
Explanation:
Cold air is more ________________, so it sinks
a. expanded (Will Give Brainiest!)
b. hot
c. dense
d. volume
Answer:
Dense, it falls because it is more dense then warmer air
Explanation:
Chose ALL the choices that are true about exponential growth: a Rapid (fast) period of growth b Has carrying capacity c "S" curve d "J" curve e Takes place when there are lots of resources ex: food, space f Takes place when there are limited resources ex: food, space
Answer:
a, d, and e
Explanation:
The exponential growth is a period characterized by rapid growth as a result of the availability of unlimited resources for the use of the population. Once the population spends a short period getting acclimatized to their environment, a period of rapid growth follows that is devoid of any limitation and thus, the growth curve forms a 'J' shape. This type of growth has no carrying capacity that limits its growth and may not be possible in real life where resources are limited.
The correct options are a, d, and e.
How are amino acids joined together to form a protein?
Answer:
Hey mate.....
Explanation:
This is ur answer......
To make a protein you will need 20 amino acids.....
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Where do cells get the oxygen, water, and nutrients they
need to function?
Why does the us have limited government
Answer:
The U.S. Constitution achieved limited government through a separation of powers: "horizontal" separation of powers distributed power among branches of government (the legislature, the executive, and the judiciary, each of which provide a check on the powers of the other); "vertical" separation of powers (federalism) ...
Why do trophic Levels from
pyramid shape
The image above shows the trophic (food) levels of the energy pyramid and the amount of biomass energy lost at each level traveling upward, resulting in the pyramid shape. Each level is the same height and the available energy is represented by the width of each level.
Alice wants to find out whether her pet gecko finds its prey based on vision. She thinks that her gecko will more easily see the colored crickets. She follows these steps:
get 10 similar crickets from the pet store
tag 5 of the crickets by putting a tiny dab of bright coloring on their backs
release all 10 crickets into the terrarium with the gecko at the same time
after several hours, record the number of tagged and non-tagged crickets still alive in the terrarium
After several hours, Alice notes that only 4 non-tagged crickets were still alive in the terrarium. No tagged crickets were observed. She concludes that her gecko uses mostly its vision to capture and eat its prey.
What is another possible explanation for these results?
She relays more on her vision than her other senses so you could assume she has good eye sight or something.
What takes place when you inhale?
Explanation:
When you breathe in, or inhale, your diaphragm contracts and moves downward. This increases the space in your chest cavity, and your lungs expand into it. The muscles between your ribs also help enlarge the chest cavity. They contract to pull your rib cage both upward and outward when you inhale
Answer:
When you breathe in, or inhale, your diaphragm contracts and moves downward. This increases the space in your chest cavity, and your lungs expand into it. The muscles between your ribs also help enlarge the chest cavity. They contract to pull your rib cage both upward and outward when you inhale
Explanation:
Why / how does hydrogen bonding help ice cubes float?
Answer:
First, we must understand:
What is Hydrogen Bonding?
Hydrogen Bonding is the interaction between Hydrogen atoms, with their molecules, due to the fact that their (Hydrogen atoms and bonds) are weak that even the other types of bonds are stronger.
(The other bonds are: covalent and ionic bonds)
(Hydrogen bonds are weaker than the average bonds listed above)
If you are to take how and why hydrogen bonds effect/affect ice cubes, we would have to look at how ice cube are formed. If you know, ice cubes can be created due to low temperatures (cold temperatures) making water into a solid. When ice cubes form into a sold, the spacing of the molecules become further apart, creating the density of the overall ice cube lighter than it was allowing it (ice cubes) to float.
