salt water freezes slower than fresh water
2. Calculate the rate of population increase for the whales and the seals from the data in table 2, trial 1. What does this rate represent?
Hint: From the point of zero change on the graph to the highest population achieved is a change in time of 100 months. (Refer to the science skills practice in the lesson for the correct formula for the rate of population change.)
Answer:
There are no tables but it should be a bell curve. as a population of whales rise the population of seals will decrease, eventually creating a plateau in the whale population. shortly after the plateau in the whale population the whale population will begin to decline ( as food becomes less available) causing the seal population will begin to rise and restabilize. this pattern should continue cyclically creating a wave function on a graph!
Explanation:
I need help! Pls help!!!
(iii) Enzymes P, Q and R (choose any one)
P - pepsin / protease
Q - amylase / carbohydrase
R - lipase / trypsin / protease / amylase
(c) There are many ways in which different types of enzymes are using in preparing baby foods such as the amylase breaks down the starch and the starch breaks down to maltose or glucose. The protease breaks down protein and the protein breaks down into amino acids. The lipase breaks down fats and then the fats break down to gylcerol.
Hope it's help you.If it is right
when would a recessive trait be seen in an organism? A. When there is one dominant and one recessive gene for the trait present in the offspring. B. When there are two dominant genes for the trait present in the offspirng. C. When there are two recessive genes for the trait present in the offspring D. Never
John wants to test how temperature affects the mass of sugar that can be
dissolved in water. Which of the following factors must be the same between
the control group and the experimental group?
A. The temperature of the water
B. The mass of the sugar
C. The volume of the water
D. The time of day
SUBMIT
Answer:
c
Explanation:
the volume or temperature ️ of water
Devise an experiment to test the effect of pH on the activity of biological washing powder
Answer:
boil a water on a container deep your face inside it and you know the temperature ️ of water
When is a hypothesis considered scientific?
A hypothesis is considered scientific if it has something that can be supported or refuted through carefully crafted experimentation or observation
Which of the following are parts of the cardiovascular system? |a) Blood O b) Heart c) Lungs O d) Blood vessels
Which of the following are parts of the cardiovascular system?
a) Blood
b) Heart
d) Blood vessels
Choose: a); b); d)
Answer:
[tex]except(c \: ) \\ al l \: are \: ur \: option \\ thank \: you[/tex]
Biology Question
If the frequency of an autosomal dominant allele is 0.6 . Calculate the frequency of recessive phenotype in a population of 6000
Answer:
First thing is that word “autonomous” given in the question is actually “ autosomal”.
Now let's start solution:
Frequency of dominant allele “A” is denoted by p.
Here p = 0.6
Frequency of recessive allele “a” is denoted by q.
According to Hardy - Weinberg equilibrium
p + q = 1
Hence q = 1 - p = 1 - 0.6 = 0.4
Now in question what is asked is about frequency of recessive phenotype (aa).
According to Hardy - Wienberg equilibrium frequency of recessive phenotype is q2 (q square).
Frequency of recessive phenotype is = q2 = 0.4 x 0.4 = 0.16
Now Number of recessive phenotype in a population of 10000 is
= frequency of recessive phenotype x total population
= q2 x 10000
= 0.16 x 10000
= 1600
I answer you other question.
I apologize. it's mistakenly
Cells can vary enormously in size. The frog egg is 1 mm and the mycobacterium is 100 nm in diameter. Thus the largest cell is _____ times bigger in diameter than the smallest cell.
Answer:
choices?
Explanation:
please let me know when the choices are up
Which statement describes a political consequence of sustainable land use?
O Building a park instead of more housing may be unpopular with residents.
O When commortands are protected, land degradation slowly disappears.
O If common land use is restricted, it can slow down the economy
O If there is less land pollution, disease spread will decrease
The sustainable use of land means using the spare land in such an activity which supports the society and benefits the environment.
In such a situation if a land is found spare then a park should be constructed on it.
This will create an recreational activity spot for the society and they will be able to spend their leisure time with fun.
Also there will be less pollution and harm to environment will be lowered by greenery and trees in the park.
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The statement that describes a political consequence of the sustainable land use is that the building of a park rather than more housing may be unpopular with residents.
Sustainable Land Use simply refers to the fair use of land, water and other environmental resources and their distribution in such a way that human needs can be secured and future generations will not be left out.
A consequence of the sustainable land use is that when the government feels building park is vital, the residents may not be in support and can prefer the construction of more houses.
Therefore, the correct option is A.
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Which of the following choices is an example of an independent system
A: a human who needs food and water to survive
B: a plant that needs sunlight to make energy
C:a factory that recycles plastic bottles into reusable tote bags.
D:None of these choices are correct.
Answer:
B
Explanation:
Answer:
a palnt that need sunlight to make energy
provide the labels of the angiosperm flower shown below
Explanation:
1.peduncle
2.ovary
3.sepal
4.petal
7.stigma
12.receptacle
13.style
8.ovule with enbryo sac
Most of the plant matter in ___ is sphagnum moss.
Answer:
the answer is peat
Explanation:
i did the test Hope dis help
Answer:
pease
Explanation:
I did some research
Gene X always produces the same mRNA (one splice form) and the same protein in all cells in which it is expressed. The same amounts of gene X mRNA and protein are present in brain, kidney, and heart cells. However, the activity associated with the protein is present only in the heart. Which of the following are possible explanations?
a. A splicing factor necessary for removing all of the primary transcript's introns is present only in the heart.
b. A splicing factor necessary for removing all of the primary transcript's introns is present only in the brain and kidney.
c. Protein X is phosphorylated only in the heart.
d. Protein X is phosphorylated only in the brain and kidney.
There are two explanations for this phenomenon: phosphorylation of the protein X in the heart activates its function (Option C) or phosphorylation of the protein X in the kidney and the brain deactivates its function (Option D). Therefore, both Option C and Option D are correct.
Phosphorylation is a posttranslational protein modification that is capable of activating or deactivating protein function.
Phosphorylation alters the three-dimensional structure of a protein, thereby modifying its function (i.e., activate or deactivate the target protein).
Phosphorylation occurs at specific amino acids (e.g., serine and threonine residues) of the target protein.
Moreover, mRNA splicing (RNA processing) occurs before the protein state, it is a transcriptional process. This process consists in removing the non-coding regions or 'introns' from pre-mRNA and subsequent joining protein-coding regions or 'exons' to enable the translation of the mRNA into a protein.
In consequence, in this case, it is possible that 1-phosphorylation of the protein X in the heart activates its function, or 2-phosphorylation of the protein X in the kidney and the brain deactivates its function. Therefore, both Option C and Option D are correct.
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what challenges do scientists face when classifying a new fossil?
Answer:
You have to clean the fossils and figure out how old they are and what kind of fossils they are.
Explanation:
Answer:
They are often broken and not complete
Explanation:
Due to aging they are often broken and not complete which could make it difficult if you do not have the entire thing. It's also difficult because there are slight differences between organisms.
What are micronutrients and why do we need them?
Explanation:
Micronutrients are one of the major groups of nutrients your body needs. They include vitamins and minerals. Vitamins are necessary for energy production, immune function, blood clotting and other functions. Meanwhile, minerals play an important role in growth, bone health, fluid balance and several other processes.
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What is meant by a neutral symbiotic
relationship?
A. At least one organism is harmed.
B. At least one organism gains.
C. At least one organism is unaffected.
I think answer is option B.
Find out the chemical names and formula e for the following common house hold substances - a) common salt b) baking soda c) washing soda d.) vinegar
You classified organisms based on anatomical structure and development. Scientists also use DNA to classify organisms. Considering the basic process of evolution, why do you think it’s important to also consider DNA and gene patterns during the classification of organisms?
Answer:
By studying genetics and DNA, we can get the best idea of how species are related to each other, and therefore how to classify them. The genetic code of a species is not fixed, however. It changes over time! This is why we also need to factor in evolution.
It is important to also consider DNA and gene patterns during the classification of organisms because,
Through genetics and DNA study, we can get the idea of how species are related to each other and how to classify them. The genetic code of a species is not fixed. So, it need in evolution.How organism classified ?The organism classified on the basis of shared characteristics.The classification of living organism includes seven levels, kingdom, phylum, classes, order, families, genus and species.What is evolution?It is witness in the living species and change in heritable traits of biological population over successive generation.The process of development of complex organism from simpler one with time is called an evolution.learn about gene,
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The Cell-mediated response is a chain reaction of antigens and Interleukins that results in:
A. The swelling of fluid and clotting elements to a damaged area.
B. The differentiation of helper T cells into cytotoxic T cells to destroy pathogens.
C. The production of macrophages to use phagocytosis on pathogens.
D. The differentiation of effector B cells into plasma cells to make antibodies.
The Cell-mediated response results in the production of macrophages to use phagocytosis on pathogens. The correct option is C.
Cell mediated immune response occurs when an invading antigen causes the release of cytokines (Interleukins), differentiation of T cells and production of macrophages.
Macrophages are produced through the differenciation of monocytes. They are further activated during an infection through the macrophage-activating cytokine (Interleukins).
Phagocytosis is the process used by immune cells such as macrophages which involves ingesting and eliminating pathogenic microorganisms.
Cell-mediated response dosent result to differenciation of helper T cells into cytotoxic T cells rather it leads to the activation of cytotoxic T cells. Therefore B is wrong.
Cell-mediated response dosen't lead to the production of antibodies therefore option D is wrong.
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How will you evaluate the information that you retrieve from the library, by giving specific examples in one of your subject specialization
Answer:
You might think the answers to the questions “what is a library?” and “what is the Internet?” are pretty obvious. But actually, it is easy to get them confused, and there are a number of research resources that are a bit of both: library materials available over the Internet or Internet resources available in the library.
Understanding the differences between the library and the Internet and knowing where your research comes from is crucial in the process of research writing because research that is available from libraries (either in print of electronic form) is generally considered more reliable and credible than research available only over the Internet. Most of the publications in libraries (particularly in academic libraries) have gone through some sort of review process. They have been read and examined by editors, other writers, critics, experts in the field, and librarians.
In contrast, anyone with appropriate access to the Internet can put up a Web page about almost anything without anyone else being involved in the process: no editors, other writers, critics, experts, or anyone else review the credibility or reliability of the evidence.
However, the line between what counts as library research and what counts as Internet research is becoming blurred. Plenty of reliable and credible Internet-based research resources are available: online academic and popular journals, Web-based versions of online newspapers, the homepages of experts in a particular field, and so forth.
Let’s begin with the basics of understanding the differences between libraries and the Internet.
Libraries are buildings that house and catalog books, magazines, journals, microfilm, maps, government documents, and other resources. It would be surprising if you attended a community college, college, or university that did not have a library, and it would be equally surprising if your school’s library wasn’t a prominent and important building on campus.
As you might expect, libraries at community colleges, colleges, and universities tend to specialize in scholarly materials, while public libraries tend to specialize in non-scholarly materials. You are more likely to find People magazine or the latest best-selling novels in a public library and a journal like College English and scholarly books in a college library.
Many universities have different libraries based on distinctions like who tends to use them (“graduate” or “undergraduate” libraries) or based on specific subject matter collected within that particular library (education, social work, law, or medicine). Almost all college and university libraries also have collections of “special items,” which include items like rare books, maps, and government documents.
Almost all universities, colleges, and community colleges in the United States provide students and faculty with access to the Internet so they can use email and the World Wide Web, or even so they can publish Web pages. Millions of people both in and out of school have access to the Internet through “Internet Service Providers,” which are companies both large and small that provide customers access to the ‘net for a monthly fee.
why do you need to know the different body cavities when learning the organization of the human body and its related systems
Answer:
You can grasp how everything works together to keep you healthy, developing, and strong by studying the many systems that function inside the body. The central nervous system is made up mostly of your brain and spinal cord.
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If you kill someone while driving under the influence, you can
Answer:
you can go to jail. in most cases you will go to jail
Explanation:
how are traits which are not beneficial to a living organism removed from its gene pool
Answer:
recessive traits is the answer
Aalge are called autotrophs why give reason
The catalyst which hasten the rate of a metabolic conversion are
1) lipid
2) polysaccharide
3) protein
4) fatty acid
[tex]\huge\blue{ANSWER}:—[/tex]
Proteins is the correct option
hope it helps you!Explanation:
3) protein
The catalyst which hasten the rate of a metabolic conversion are proteins
What type of map is shown in the image?
A. Resource
B. Physical
C. Road
D. Political
Physical is map is shown in the image?
The term voltage describes the:
-electrical potential difference between two points.
-likelihood that an electrochemical gradient will develop.
-process of molecules moving from an area of high concentration to low
concentration.
-way in which osmosis determines water movement.
Answer:
electrical potential difference between two points.
Explanation
Voltage refers to the electrical potential difference between two distinct points. It doesn’t describe the way in which osmosis determines water movement (osmotic pressure), nor does it describe the process of molecules moving from an area of high concentration to low concentration (diffusion), or the likelihood that an electrochemical gradient will develop.
The term voltage describes the electrical potential difference between two points. Option A is correct.
Voltage is a measure of the amount of energy that is available to move electrons from one point to another. It is measured in volts (V). The higher the voltage, the more energy is available to move electrons.
The electrical potential difference between two points is created by the difference in the number of electrons at those two points. If there are more electrons at one point than at another, there will be a voltage difference between the two points. This voltage difference will cause electrons to flow from the point with more electrons to the point with fewer electrons. Option A is correct.
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Why the ii genotype is so much more common than the other genotypes?
Answer:
last option
bro this mutation is very Rare
During inhalation, air
travels from____
atmospheric
pressure to_____
intrapulmonary
pressure.
A. High; Low
B. Low; High
C. Not enough information to determine
Answer:
during inhalation, air travels from high atmospheric pressure to low intra pulmonary pressure
