Answers
Answer:
12.5 m/s
Explanation:
Total distance traveled = 500m
Time car was moving = 40s
Avg speed in m/s = 500/40 = 12.5 m/s
Hope this helps!
Related Questions
The deciphering of the genetic code was made possible by which two advancements in technology?.
Answers
The two advancements in technology that made the deciphering of the genetic code possible are given below:
The capability to form proteins from RNA in cell-free systems. The capability to form RNA molecules with a specified sequence. What do you mean by Genetic code?Genetic code may be defined as the arrangement of nucleotides in deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) that distinguishes the amino acid sequence of proteins.
Proteins are synthesized by RNA molecules by the process of translation in the cytoplasm of the cell. On the other hand, RNA molecules get synthesized by the process of transcription in the nucleus of the cell itself.
Therefore, it is well described.
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When you ice skate, the heat generated by the blade of the skate rubbing against the ice causes some of the ice right under the blade to melt. This water acts like a lubricant under the skate that allows the skate to slide.What causes the ice to melt under the blade?
Answers
What material is too important to ever leave the nucleus? A. DNA B. Protein. C. Ribosomes D. Chromosomes
Answers
A. DNA is too important to ever leave the nucleus.
DNA material is too important to ever leave the nucleus. Hence the correct option is A.
DNA (Deoxyribonucleic Acid) is a crucial molecule found within the nucleus of cells. It carries genetic information and instructions necessary for the growth, development, functioning, and reproduction of living organisms. The information encoded in DNA determines an organism's traits, characteristics, and overall biological processes.
DNA's essential role in inheritance and cellular activities makes it too important to ever leave the nucleus. While other cellular components like proteins, ribosomes, and chromosomes are important, DNA is the primary genetic material that must remain securely stored within the nucleus.
Hence the correct option is A.
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_____ are chemical mechanisms that start a reaction.
Centrioles
Vacuoles
Activators
Inhibitors
Answers
Activators are chemical mechanisms that start a reaction.
what happened around 2.5 billion years ago that lead to a tremendous increase in the amount of oxygen in earths atmosphere?
Answers
Answer:
The Great Oxidation Event.
Explanation:
i hope this helps
The elements neon and argon are not reactive. Which hypothesis BEST explains this?
They are not stable atoms.
They are not readily available on Earth.
They tend to give up all of their valence electons easily.
They have the maximum possible number of electrons in their outermost shell.
Answers
Answer:
They have the maximum possible number of electrons in their outermost shell.
Explanation:
There are only a few elements that are less reactive than noble gases. The reason for this is that they are filled with electrons, which are referred to as valence electrons.
Essentially, the more electrons on the outermost shells, the less reactive.
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1. Identify the different types of mediated and online communication channels. Discuss the advantages and disadvantages of each.
Answers
Mediated communication channels include telephone, letters, audio/video cassettes, radio, televisions, etc. while online communication channels websites, social media, E-mail, etc.
What do you mean by Mediated communication?Mediated communication may be defined as any circumstances where a technological medium is presented in face-to-face interaction.
Advantages of Mediated communication channels:
People can swap, store, edit, broadcast, and copy any written documents.Information can pass out to maximum people in a very short period of time. It requires less maintenance and cost.Disadvantages of Mediated communication channels:
It lacks true human contact.Sometimes false or fraudulent pieces of information spread that cause severe harm to people and their psychology. There may be an absence of any regulation or prevention of mishappening.Advantages of Online communication channels:
Cost-effective and supporting during unfavorable times. It promotes globalization.It has long-term productivity and efficiency.Disadvantages of Online communication channels:
It steals your privacy. It lacks a sense of humor, therefore, there's a big risk of misunderstanding.It lacks physical contact which must be more effective in any means.Therefore, it is well described above.
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describe the damage which you can see and effects of the damage on crops by insects pest .
Answers
Insects can become pests in the crops when they cause damage to crop plants. The signs of damage vary, typically depending on the way that the insect feeds on the plant. Damage from insects with chewing mouthparts typically appears on leaves or stems as ragged edges, holes, or other missing tissue
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In men, the primary source of androgens is the ____, while the ____ is/are where the remaining androgens are produced.
Answers
The primary source of androgens is the Testes.
The Adrenal gland is/are where the remaining androgens are produced.
The Adrenal Gland The Adrenal glands produces the androgens The Androgens are hormones that regulates the development and maintenance of male reproductive characteristics.The main source of the androgens is the testes.Learn more on Adrenal glands here :https://brainly.com/question/23487477
Which of the following best describes prokaryotes and eukaryotes?
Answers
Answer:
Prokaryotes - smaller, usually bacteria, unicellular, NO membranes
Eukaryotes - HAS membranes, complex organelles, plant/animal cells
Explanation:
Hope this helps!
Eukaryotes has been known as the creatures which are made up of the cells with membrane-bound organelles and the nucleus that contains DNA in the manner of chromosomes. Thus, option B is correct.
What are eukaryotes and prokaryotes?Prokaryotes and eukaryotes are the two classes into which all living things may be divided based on the basic makeup of their cells. Prokaryotes - smaller, usually bacteria, unicellular, NO membranes and Eukaryotes has the membranes, and the complex organelles, plant or animal cells.
Prokaryotes are the creatures that consisting of the cells that don't have the cell nuclei or any organelles that are enclosed in the membranes. It follows that prokaryotes' DNA is not contained within a nucleus.
Eukaryotic organisms can have several cells or only one cell. Eukaryotes make up all animal life. Protists, fungi, and plants are examples of additional eukaryotes.
Therefore, Prokaryotes do not have a nucleus, eukaryotes have a nucleus.
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The complete question will be
Which of the following best describes prokaryotes and eukaryotes?
O Prokaryotes have a nucleus and eukaryotes do not.
O Prokaryotes do not have a nucleus, eukaryotes have a nucleus.
Both have membrane-bound structures
Prokaryotes have membrane-bound structures and eukaryotes have free floating organelles
Which of these glands produce a hormone that maintains the balance of calcium and phosphorus in the blood?.
Answers
Answer:
It is called Parathyroid hormone
Parathyroid hormone, also called parathormone or parathyrin, is a peptide hormone secreted by the parathyroid glands that regulates the serum calcium concentration through its effects on bone, kidney, and intestine.
Explanation: Parathyroid hormone, also called parathormone or parathyrin, is a peptide hormone secreted by the parathyroid glands that regulates the serum calcium concentration through its effects on bone, kidney, and intestine.
Which of these anthropoid groups consists of primates who are mostly tree dwellers and whose forelimbs and hind limbs are about equal in length?.
Answers
Answer:
this was sooooo long ago i forgot how to do this
Explanation:
True or false plant cells use cellular respiration to get chemical energy from food. IXL LAST QUESTION HELP NOW
Answers
Answer: In mitochondria, through the process of cellular respiration breaks down sugar into energy that plant cells can use to live.
Explanation: true
what does water do for the plant during germination
Answers
Answer:
Water is required for germination. Mature seeds are often extremely dry and need to take in significant amounts of...
Oxygen is required by the germinating seed for metabolism. Oxygen is used in aerobic respiration, the main source of the...
Temperature affects cellular metabolic and growth rates. Seeds from different species and even seeds from the same plant.
Explanation:
You go for a run on Mount Elden. As you work to summit the peak, you notice your respiratory rate has increased drastically to supply your body with oxygen, and similarly, you know that your bronchioles have dilated. What caused this effect
Answers
Answer:
The reduction in oxygen as you advance upwards
What would the population density of whitetail deer in an area be if you had 60 deer living in a 30 acre area.
Answers
Describe what corn, dogs, and genes have in common
Answers
Sand dunes along the coast are formed of bare sand. Eventually, grasses take root on the dunes. Over
time, larger plants such as shrubs and trees are able to grow at the edge of the sand dune ecosystem.
This gradual change in plant communities of a sand dune ecosystem can result in -
A- reduced symbiotic relationship between producers and bacteria
B- reduced energy absorption by consumers
C- greater erosion rates
D- greater species diversity
Answers
The gradual change in plant communities of a sand dune ecosystem is an example of ecological succesion and can result in greater species diversity.
What is ecological succession?Ecological succession refers to the gradual changes that occurs in a habitat such that with time new species replace previous species or new species take over an envrionment that had no living organisms initially until a stable community of organisms is established.
There are two types of ecological succession;
primary succession secondary successionSuccession results in greater species diversity.
An example of succession is when species of organisms begin to live one previously care area such as in sand dunes.
Therefore, the gradual change in plant communities of a sand dune ecosystem can result in greater species diversity.
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Explain how placing cloned cells in nutrient broth to multiply relates to your overall goal of purifying the fluorescent protein
Answers
Placing cloned cells in nutrient broth to multiply relates to your overall goal because this favors the bacteria by providing an environment in which it can grow.
What is fluorescent protein?Generally, it part of a structurally homologous family of proteins that have the distinctive trait of being self-contained.
In conclusion, This favors the bacteria by providing an environment where growth, in order to encourage the production of more proteins for the study is possible.
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What is the purpose using lime water in release of carbon dioxide experiment
Answers
Limewater can be used to detect carbon dioxide. If carbon dioxide is bubbled through limewater then it turns from clear to cloudy/milky in color. This is why limewater used in a simple respirometer can show that more carbon dioxide is present in exhaled air compared to inhaled air.
what is considered to be incomplete dominance?
Answers
Electricity can be transformed into heat , light , sound energy as well as energy in motion . Which energy transformation is most likely seen in the picture below
Answers
The energy transformation which is most likely seen in the picture is chemical to electrical to light energy.
What do you mean by Energy Transformation?Energy transformation may be defined as the process that converts energy from one type into another the other.
In this picture, a battery or a cell lights a bulb, first energy transformation takes place in the battery, and then in the bulb. Battery undergoes energy transformation from chemical to electrical, then bulb converts electrical into the light.
Therefore, the energy transformation which is most likely seen in the picture is chemical to electrical to light energy.
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Why are the supraorbital height and thumb indexes important measurements in
comparing primates
Answers
The supraorbital height is an important measurement in comparing primates because they give information related to the size of the skull above the eyes.
What do you mean by Primates?Primates may be defined as those organisms which generally have flexible hands and feet with opposite first digits, good eyesight, and, in the higher apes, a highly developed brain.
As primates have an internal system, it is required to measure their skull size, thumb length, etc. So, the above techniques are used for measurement and comparison.
Therefore, it is well described above.
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(06.03 MC)
Sickle cell anemia is known to run in a family. A pedigree chart for this family is shown below.
Parents
Offspring
What percentage of the offspring
are carriers of the disease but do not have it?
00%
O 25%
O 50%
© 100%
Answers
Based on the pedigree, the percentage of offspring who are carriers of sickle cell anemia is 50%.
What is sickle cell anemia?Sickle cell anemia is a disease of the red blood cells in which mutations in the haemoglobin results in inability of the red blood cells to carry oxygen efficiently to the cells.
Based on the pedigree chart, the carriers of sickle cell are those that are half shaded black.
Two out of four of the offspring are shaded this way.
Percentage = 2/4 × 100% = 50%.
Therefore, the percentage of offspring who are carriers is 50%.
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Which of the following is a nonrenewable resource? a. hydropower b. biomass c. geothermal power d. coal please select the best answer from the choices provided a b c d
Answers
Answer:
Coal
Explanation:
Coal is classified as a nonrenewable energy source because it takes millions of years to form.
3. Did trilobites and dinosaurs live at the same time?
Answers
Explanation:
No! After the dinosaurs died out, nearly 65 million years passed before people appeared on Earth.
Blood glucose begin to increase after a meal. As a result, glucagon levels must _________ while insulin levels must ________ in order to maintain metabolic homeostasis.
Answers
If glucose begin to increase after a meal, glucagon levels must decrease while insulin levels must increase in order to maintain metabolic homeostasis.
What is homeostasis?Homeostasis is the process by which a stable internal environment is maintained irrespective of the changes in external conditions.
The regulation of sugar level in the blood is one of the homeostatic responses. Insulin and glucagon are two hormones used to perform this task of blood sugar regulation.
Insulin is an hormone that reduces blood sugar level by stimulating the conversion of excess sugar to glycogen.Glucagon, on the other hand, increases blood sugar by converting glycogen back to sugar.Therefore, if glucose begin to increase after a meal, glucagon levels must decrease while insulin levels must increase in order to maintain metabolic homeostasis.
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Which process creates variation in genetic material?.
Answers
Answer:
the process of recombination
Explanation:
Meiosis is important because it ensures that all organisms produced via s3xual reproduction contain the correct number of chromosomes. Meiosis also produces genetic variation by way of the process of recombination
The sympathetic axons extend to which blood vessels of the kidney?.
Answers
Answer:
The hilus is the point of entry and exit of the renal arteries and veins, lymphatic vessels, nerves, and the enlarged upper extension of the ureters.
Anna runs 5 km in 20 minutes. What is her speed in kilometers per hour?
Answers
Answer:
15 km/h
Explanation:
5 km in 20 min
5km is 5000m and 20 min is 20×60 =1200s
5000÷1200= 25÷6 m/s
To convert m/s to km/h we multiple by 18/5
25÷6×18÷5
15 km/h.
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