Can some one help me on 4-5 I need the help plzzzzz
Answer:
What does the fox say?!?!?!?!?!?!?
Explanation:
NI NI NI NI NIN IN IN IN IN INININININININININNINI
Explain how a chemical reaction occurs using the following terms
Reactant
Product
Activation energy
Bond
Endothermic
Exothermic
Rate
A chemical reaction is a process where two or more reactants are converted to one or more products at a given rate, which requires a minimum amount of energy.
A reactant is a starting substance in a chemical reaction, whereas products are formed at the end of the reaction.The rate of reaction is the velocity of the chemical reaction.Activation energy refers to the minimum amount of energy required to activate reactants and thus start a chemical reaction. The chemical reactions store/release energy by destroying/building chemical bonds between atoms/molecules.Exothermic reactions release energy when the bonds are formed; whereas endothermic reactions consume energy.In conclusion, a chemical reaction is a process where two or more reactants are converted to one or more products at a given rate, which requires energy. These reactions can be exothermic processes or endothermic processes.
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PLEASE HELP ASAP WILL RANK BRAINLIEST!!!!
Answer:
C
Explanation:
The rise in the lines mean that the enzymes still work properly at different rates, but the peaks represent the temperatures and ph they work best at
Regarding population growth rates, the
faster a population grows the
the population's doubling time,
A. higher
B. more complex
C. lower
D. less complex
Answer:
more complex
I hope this answer is correct
Help quick
Which of the following processes describes how a volcano forms at oceanic oceanic and oceanic
continental plate
boundaries
Answer:
Continetnal Plate
Explanation:
I hope this helps :)
Answer:
Continetnal Plate
Explanation:
i hope this is correct
When food is being mechanically digested, it is being
(1) changed into another substance
(2) made smaller in size
(3) converted into energy
(4) excreted from the body
Answer:
(2) made smaller in size
Explanation:
Mechanical digestion involves physically breaking the food into smaller pieces.
Answer:
2
Explanation:
2 because it makes sense and we chew food to make it smaller to digest it easily
Which of the following are factors that limit enzyme activity?
denaturation
increase in substrate
optimal temperature
increase in number of enzymes
According to the research, increase in substrate and temperature are factors that limit enzyme activity.
What are enzymes?It is a protein that catalyzes the biochemical reactions of metabolism and acts on molecules known as substrates.
The way that the enzyme has to carry out its catalytic activity will be in the first place to bind with the substrate, this is limited by different factors such as the concentration of the substrate and the temperature.
Therefore, we can conclude that according to the research, increase in substrate and temperature are factors that limit enzyme activity.
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Sahara Desert
Which statements describe the Sahara Desert ecosystem? Select all that apply.
It has dry, thin soil.
It has a small amount of rain.
It has many different types of organisms.
Answer:
I would say all three describes the Sahara. Dry, thin soil sounds like sand, which is the soil in the Sahara Desert. This ecosystem definitely has a small amount of rain; that's what defines a desert. Along with that, the Sahara is also very diverse, inhabited by many organisms, from bugs, snakes, and other reptiles to rabbits, jackals, foxes, and even camels. Hope this helps!
The statements that best describe the Sahara Desert ecosystem are as follows:
It has dry, thin soil.It has a small amount of rain.Thus, the correct options for this question are A and B.
What is meany by an ecosystem?An ecosystem may be defined as the place or an area where individuals of different organisms live and interacts with each other for the purpose of food, space, resources, mating partner, etc.
In technical terms, the Sahara is not an ecosystem, it is a desert biome that contains multiple ecosystems. Organisms like Lizards, chameleons, skinks, and cobras are found among the rocks and dunes.
The lakes and pools of the Sahara also contain algae and brine shrimp and other crustaceans. The various snails that inhabit the desert are an important source of food for birds and animals.
Therefore, the correct options for this question are A and B.
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I can live on the land or water, and I have a lot of cells. I have to consume other organisms , what kingdom am I?
In humans which of these types of cells generally do not divide after they have developed?
- skin cells
- cells of the lining of the digestive tract
- cells in the bone marrow that generate blood cells
- muscle cells and nerve cells
Muscle cells and nerve cell
How does ATP carry energy?
help i’m confused ???
Answer:
anaphase for the first one be cause the chromosomes are being pulled away by centrioles.
metaphase for the second one because the chromosomes are in the middle and centrioles are attached to them, getting ready for anaphase.
telophase for the third one since the cells are separating.
prophase for the last one.
Sometimes new ideas in science come from traditional methods people used in the past. What did researchers learn from terra preta? How is bio-char different from the traditional Amazonian method of creating terra preta?
Answer:
What did researchers learn from terra preta?... Because terra preta is loaded with so-called bio-char -- similar to charcoal -- it also can pull substantial amounts of carbon out of the increasing levels of carbon dioxide in the Earth's atmosphere, helping to prevent global warming.
How is bio-char different from the traditional Amazonian method of creating terra preta? Terra preta owes its characteristic black color to its weathered charcoal content, and was made by adding a mixture of charcoal, bone, broken pottery, compost and manure to the low fertility Amazonian soil. ... Terra preta soils were created by farming communities between 450 BCE and 950 CE..
The BBC's Unnatural Histories presented evidence that the Amazon rainforest, rather than being a pristine wilderness, has been shaped by man for at least 11,000 years through practices such as forest gardening and terra preta.
Terra preta is a type of dark, fertile soil found in the Amazon rainforest that is believed to have been created by indigenous people thousands of years ago. Researchers have learned from terra preta that it contains a high level of carbon, along with nutrients such as nitrogen, phosphorus, and potassium.
What is terra preta soil?Terra preta, or "black earth," is a type of dark, fertile soil found in the Amazon rainforest that is believed to have been created by indigenous people thousands of years ago. Scientists have studied terra preta to understand its unique properties and how it was created. Terra preta is a type of anthropogenic soil, which means that it was created by human activity rather than natural processes. It is believed that the indigenous people of the Amazon region created terra preta by adding biochar to soil along with other organic materials such as bones, shells, and manure.
Hence, researchers have learned from terra preta that it contains a high level of carbon along with nutrients such as nitrogen, phosphorus, and potassium.
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Explain how form and function are related in human cells. Include examples.
Compare and contrast epithelial and muscle tissues.
PLEASE HELP ME!
Answer:
The cell structure is formed according to their function.
Explanation:
Form and function are related to each other in human cells because the cells structure is formed according to its function. epithelial tissue are the group of cells that act as coverings of the body and controlling the movement of materials across their surface whereas muscle tissues are group of cells that are responsible for the movement of the body. Both tissues has different structure which allows it to perform different function.
explain why the circulatory system of a frog is less efficient at carrying oxygen to the tissue than the circulatory system of a human.
Answer:
because the frog is not really persons that the reasons why frog less the circulatory sysyem
Companies spend a significant amount of money creating prototypes in the product development phase of a product.
O True
O False
Answer:
False, I think (if it isn't false then sorry)
What happens if you ingest too much salt water? Why?
How might an animal species be different in various habitats
Answer:
they adapted to their climate
Explanation:
Answer:
hey adapted to their climate
Explanation:
Above
30 POINTS!!
Using radioactively labeled DNA probes in studies of heredity makes it
possible for a scientist to:
A. study the inheritance of traits that are not seen as a phenotype.
B. make many more copies of a target gene with PCR.
C. produce clones with DNA from two different species.
D. cause new mutations that will not add variation to a species.
Answer it’s right plzzzzzz
Answer:
B. make many more copies of a target gene with PCR.
Explanation:
;D good luck!
You find a rock sample with radioactive atoms present. 25% of the original radioactive atoms were present, how many half lives have passed
Answer:
Im literally taking a test that my teacher made and i have no idea what the answer is
Explanation:
Which process is necessary for cell division? *
Answer:
a eukaryotic cell undergoes a carefully coordinated nuclear division that results in the formation of two genetically identical daughter cells.
Explanation:
What might happen to a cell if it gets too large?
Mountain Ranges are located near ______________________________ boundaries.
AnsI was just doing this a few weeks ago I think i remembered saying it was convergent boundries and got it right!!Hope this helps yoo. :)
Explanation:
How does deforestation affect the natural world?
Answer:
The loss of trees and other vegetation can cause climate change, desertification, soil erosion, fewer crops, flooding, increased greenhouse gases in the atmosphere, and a whole lot of problems for indigenous people.
Answer:
Deforestation affects the natural world because you are getting rid of habitats that animals live in and it makes the animals forced to move to another environment. Other factors include animal endangerment and extinction, soil erosion and disruptions in the Earth’s carbon and climate cycles, if deforestation happens.
Explanation:
Hope that helps
Which of the following statements explains the importance of enzymes that check for and repair mistakes during DNA replication?
A
The enzymes replace the DNA with RNA
B
The enzymes speed up the rate of RNA synthesis.
C
The enzymes prevent many genetic mutations from being expressed
D
The enzymes remove many recessive gene copies from the nucleus.
Answer:
C!!
Explanation:
The statement explains the importance of enzymes that check for and repair mistakes during DNA replication is the enzymes prevent many genetic mutations from being expressed. Thus, the option C is correct.
What is RNA polymerase?RNA polymerase is an enzyme that aids in the transcription of DNA into RNA during transcript in the nucleus. The enzymes prevent many genetic mutations from being expressed.
Primase is an enzyme that synthesizes short RNA sequences called primers. These primers serve as a starting point for DNA synthesis during replication as the DNA polymerases cannot begin the synthesis of the new strand, they only extend it after primase begins it and primase produces RNA molecules, the enzyme can be said to be a type of RNA polymerase.
Therefore, The statement explains the importance of enzymes that check for and repair mistakes during DNA replication is the enzymes prevent many genetic mutations from being expressed. Thus, the option C is correct.
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2. How are the differences in animal cells related to their functions?
3. How are cells organized within an animal?
I will give extra points!!
please help meeee !
Answer: B - Thicker layer of blubber
Explanation: Seals are well adapted to cold polar environments with thick blubber layers that act both as a food reserve and insulation. Most seals also have a layer of fur, giving additional insulation on land.
Hope this helps :)
How can you help prevent muscle injuries
Which of the following functions at the same organizational level as the kidney in the human
excretory system?
Answer:
Its the Urinary bladder
Explanation:
A. skeleton
B. epithelial tissue
C. urinary bladder
D. a squamous cell
The correct answer as to which functions at the same organizational level as the kidney in the human excretory system would be the urinary bladder. The correct option would, thus, be C.
There are 4 progressive levels of organization as far as life is concerned. These are:
celltissuesorganssystemsThe cell is the basic unit, tissues are made of 2 or more cells, organs are made from multiple tissues, while systems are formed from numerous organs.
The kidney is at the organ level and so is the urinary bladder. Skeleton is a system made from different organs, epithelia tissues are tissues, while squamous cells exist at the cellular level.
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In the scenario above, Red hair (R) is dominant to blonde hair (r). If two parents are
heterozygous for red hair, what percentage of their offspring will have red hair and what
percentage will have blonde?
