As a bacterium approaches a food source, one would expect.
Answers
As a bacterium approaches a food source, one would expect runs to become more frequent. The correct option is b.
What is a bacterium?A bacterium is just a microbe, or a very small living creature having cell walls but no specific nucleus, in biology. It describes the form of a bacterium when viewed under a microscope. Bacteria definitions.
The movement of one's body toward or away from a stimulus. Runs should grow more frequently as bacteria approaches a food source. Flagella should rotate more frequently clockwise.
Therefore, the correct option is b. runs to become more frequent.
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The question is incomplete. Your most probably complete question is given below:
a. flagella to stop spinning.
b. runs to become more frequent.
c. flagella to rotate clockwise more frequently.
d. tumbles to become more frequent.
Related Questions
Plant domestication occurred in north america by 10,000 years ago and included important cereal grains such as wheat, barley, and oats
a. True
b. False
Answers
The given statement is false that Plant domestication occurred in north america by 10,000 years ago and included important cereal grains such as wheat, barley, and oats.
The process of modifying wild plants and animals for human use is known as domestication. Between the Tigris and Euphrates rivers in Mesopotamia, people first tamed plants some 10,000 years ago (which includes the modern countries of Iran, Iraq, Turkey, and Syria).
In Mesopotamia, wheat, barley, lentils, and many kinds of peas were among the first domesticated plants. The development of agriculture and more durable civilizations began with the domestication of plants, which was a significant turning point for human history. It was no longer necessary for humans to go in search of game and plants to harvest for food.
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A group of chemicals that have local effects instead of being released into the blood are known as:
Answers
The group of chemicals that have local effects instead of being released into the blood are known as "paracrine" substances.
Paracrine signaling involves the release of signaling molecules, called paracrine factors or autacoids, which act on nearby cells to elicit a response.
Examples of paracrine substances include histamine, prostaglandins, and cytokines.
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A child has brown hair and brown eyes. His father
has brown hair and blue eyes. His mother has red
hair and brown eyes. The best explanation for the
child having brown hair and brown eyes is that
a. A gene mutation occurred that resulted in
brown hair and brown eyes
b. Gene expression must change in each
generation so evolution can occur
C. The child received genetic information from
each parent
d. Cells from his mother's eyes were present in
the fertilized egg
Answers
Answer:
A
Explanation:
The answer is A. sometimes that stuff happens
Answer:
a
Explanation:
I think because it might happen
which of the following do meiosis and mitosis have in common
Answers
Answer:
The first one:
A. Meiosis and Mitosis have something in common in a sense that they are considered to be reduction divisions as the processes result in additional cells.
What is converted into chemical energy during photosynthesis?
a.soil
b.nitrogen oxide
c.radiant energy
d.all of these
Answers
Photosynthesis in plants converts solar energy into chemical energy using electrons and protons from water. ... In the energy-transduction reactions, solar energy is converted into chemical energy in the form of two energy-transporting molecules, ATP and NADPH.
Can someone please help me answer these questions?
1. Name and describe each of the 3 major processes in the water cycle.
2. Describe the properties of ocean water.
3. Describe the 2 types of ocean currents.
4. Name the 2 types of freshwater and describe how they can be stored.
Answers
Answer:
evaporation, condensation, and precipitation. Evaporation is the process of a liquid's surface changing to a gas. In the water cycle, liquid water (in the ocean, lakes, or rivers) evaporates and becomes water vapor. condensation water which collects as droplets on a cold surface when humid air is in contact with it. Precipitation is water released from clouds in the form of rain, freezing rain, sleet, snow, or hail. It is the primary connection in the water cycle that provides for the delivery of atmospheric water to the Earth. Most precipitation falls as rain. properties of ocean water.Ocean waters are salty and contain minerals and dissolved gases. They also have a high heat capacity and vary in density depending on temperature and salinity. The two basic types of currents – surface and deep-water currents – help define the character and flow of ocean waters across the planet.On the landscape, freshwater is stored in rivers, lakes, reservoirs, and creeks and streams. Most of the water people use everyday comes from these sources of water on the land surface. Lakes are valuable natural resources, both for human and non-human life.
It corresponds to the formula of an acid oxide and a basic oxide:
Select one:
A. P2O3 y BaO
B. Mag y N2O5
C. FeO Y SO3
D. HNO y CaO
Answers
Answer:
P2O3 y BaO
Explanation:
The oxides of the main group metals are basic in nature. They form alkaline solutions when dissolved in water. Similarly, the oxides of main group non metals form acidic solutions when dissolved in water.
P2O5 is an oxide of a main group nonmetallic element in group 15. We expect this oxide to be acidic and form acids when dissolved in water as expected from the chemistry of the group.
Also, BaO is an oxide of barium, a group two main group metal. Hence we expect this oxide to be basic in nature and form alkaline solutions.
Why are ecological forecasting projects important?
bonus;
• What are helping interactions? Provide an example.
• What are harmful interactions? Provide an example.
Answers
Answer:
Ecological forecasting projects are important because they can help us determine what can/will happen to our environments in the future.
Helpful interactions would be not polluting.
Harmful interactions would be polluting.
Hope this helps, please let me know if you were looking for a different answer.
What are genes (DNA) and why are they important in cell specialization?
Answers
Genes, composed of DNA, are the fundamental units of heredity that contain the instructions for the development, functioning, and characteristics of living organisms. They are vital in cell specialization as they regulate the expression of specific traits and determine the unique features and functions of specialized cells within an organism.
Genes, which are segments of DNA, carry the information needed for the synthesis of proteins and other molecules essential for cellular processes. Through a process called gene expression, genes are activated or deactivated in different cells to produce specific proteins that drive cell specialization. During development, different sets of genes are turned on or off in various cell types, allowing them to acquire distinct structures, functions, and behaviors.
Cell specialization, also known as cellular differentiation, is the process by which unspecialized cells become specialized to perform specific functions in the body. The expression of different genes in specialized cells enables them to acquire unique characteristics and perform specialized tasks. For example, genes involved in muscle development and contraction are activated in muscle cells, while genes related to neurotransmitters and electrical signaling are expressed in neurons.
Overall, genes play a critical role in cell specialization by providing the blueprint for the development and function of specialized cells. They dictate the expression of specific traits and control the intricate processes that allow cells to assume distinct roles within an organism's body.
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scientists found fossils of 2 animals belonging to same species but occupy different regions. how is that possible?
a) animals migrated
b) they all roamed what was once one big continent
c) someone spread the fossils
d) a natural disaster forced them to seperate
Answers
The possibility that explains the presence of fossils of the same species in different regions is that the animals migrated. The correct answer is A.
Migration is a common phenomenon observed in various animal species. Animals move from one region to another in search of food, suitable habitats, or favorable environmental conditions.
This movement allows them to adapt to different environments and exploit available resources. As animals migrate, they can leave behind fossils in the regions they previously inhabited.
When animals belonging to the same species migrate to different regions, their populations become geographically separated.
Over time, the separated populations may undergo different evolutionary pressures, leading to the development of distinct traits and adaptations.
These changes can eventually result in the formation of different subspecies or even new species. Fossil evidence of the same species found in different regions supports the idea that migration played a role in the dispersal and distribution of these animals.
Therefore, the presence of fossils of the same species in different regions is indicative of past migration events and the subsequent divergence of populations. Therefore, the correct answer is A.
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Do you think percent daily value (% DV) is a useful tool, even for people who don't consume a 2,000 calorie diet? Explain
your response
Answers
Answer:
Yes because it gives off a sense of how high a particular food is, or the oppostite, how low it is for a specific nutrient.
Explanation:
This is the sample answer but reworded so no one gets striked for cheating. the answer above is the sample answer.
Hope this helps :3
Yes, the percent daily value (% DV) is a useful tool, even for people who don't consume a 2,000-calorie diet.
What is the percent daily value?The percent daily value may be defined as the value which is usually calculated by dividing the amount in a serving by the total recommended daily amount.
It indicates the value of each nutrient in a serving of the food specifically. It gives an idea to the person how more he/she is already taken in terms of calories or may be short with respect to daily recommendation limits.
Therefore, it is well described above.
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Which two organs do not have glands at all? Name it.
Answers
Answer:
A gland is an organ which produces and releases substances that perform a specific function in the body. There are two types of gland. Endocrine glands are ductless glands and release the substances that they make (hormones) directly into the bloodstream.
So technically there are no such things as organs without glands
the enzyme reverse transcriptase can make a dna copy of an rna strand. therefore, this enzyme is a(n)?
Answers
RNA viruses called retroviruses have the reverse transcriptase enzyme inside of them.
RNA can be transformed into DNA by reverse transcriptase, which can then be incorporated into the chromosome of the host cell. An enzyme found in the genetic material of retroviruses called reverse transcriptase, also known as RNA-directed DNA polymerase, is responsible for facilitating the transcription of retrovirus RNA (ribonucleic acid) into DNA (deoxyribonucleic acid). The hybrid's RNA strand is then degraded by reverse transcriptase, also known as RNase H. Then, double-stranded DNA is created using the single-stranded DNA as a template (cDNA). Many different creatures, including viruses, bacteria, mammals, and plants, have been shown to have reverse transcriptases. As a result, complementary DNA is created when an RNA template is used to create DNA through reverse transcription.
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a common bird species in north america often lay 4 eggs at a time. clutches of more eggs tend to lead to malnourished offspring, while fewer eggs may result in no viable offspring at all. this is an example of what type of selection.
Answers
A bird species laying 4 eggs at a time is an example of stabilizing selection. This type of selection helps ensure that the fittest individuals are those with the most advantageous traits, which helps ensure the survival and evolution of the species in the long-term.
Stabilizing selection is a type of natural selection that favors the intermediate values of a trait, as opposed to the extreme values. In the case of a common bird species in North America, this means that laying 4 eggs at a time is the best option for the species, as any more or less may be detrimental to their offspring.
When a bird species lays too few or too many eggs, the offspring may not receive enough resources or may be overwhelmed with resources, respectively. This can lead to malnourished offspring, which are less likely to survive and reproduce. Therefore, the bird species has a selective advantage when it lays 4 eggs at a time, as it provides the optimal resources for their offspring to survive and reproduce.
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Which of these is likely to be true about a scientific theory? (5 points)
а
It can never be changed or replaced.
b
It is supported by exactly one true hypothesis.
C
It is accepted by a large scientific community.
d
It is a random guess about how something happened.
Answers
Answer:
I TOOK THE TEST ITS B!!!
have a great FRIDAY!!
Explanation:
Use the word bank below to fill in the blanks:
CHIEF, PARIETAL, RUGAE, VITAMIN D, CHYME, PHARYNX, STOMACH,
OMENTUM, GASTRIN, CARDIAC SPHINCTER, POSTERIOR, PERITONEUM,
TRACHEA, OBLIQUE, PYLORIC, VITAMIN B12, ANTERIOR, ORAL
1. The esophagus extends from the ___ (organ) to the ____ (organ).
2. A muscular sphincter called the ____ prevents the backflow of stomach acid into the esophagus.
3. The esophagus lies ____to the trachea.
4. The stomach contains folds in its lining called ____. As the stomach fills with food, they flatten and the stomach expands. This process is known as receptive relaxation.
5. The stomach mixes particles of food with gastric juice to create a semifluid mixture called ____.
6. The ____ sphincter controls the opening between the stomach and duodenum.
7. The ____ cells secrete hydrochloric acid as well as intrinsic factor, which is necessary for the absorption of ____.
8. ____ cells secrete digestive enzymes, such as pepsinogen and gastric lipase.
9. Mesentery is a double fold of ____ that holds the intestines loosely in place.
10. The hormone ____is produced by the stomach due to distension caused by ingested food. It enhances stomach secretion and motility in addition to opening of the ileocecal valve in the small intestine and causing mass movements in the large intestine.
Answers
The esophagus is a muscular tube that connects the throat (pharynx) to the stomach. Its main function is to transport food and liquids from the mouth to the stomach, using rhythmic contractions of its muscles called peristalsis. The esophagus is about 10 inches long and runs behind the trachea (windpipe) and in front of the spine.
At the lower end of the esophagus, there is a muscular ring called the lower esophageal sphincter that opens to allow food and liquids to enter the stomach and then closes to prevent stomach contents from flowing back up into the esophagus.
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europa is one of veunses moons and europa is a moon i want to know if it has moon phases like earths moon.
Answers
Yes, Europa, like Earth's moon, has phases
What are the phases of Europa?The phases of Europa, which is a moon of Jupiter (not Venus), occur because Europa orbits around Jupiter while Jupiter orbits around the Sun.
As Europa moves in its orbit around Jupiter, the amount of sunlight reflecting off its surface that is visible from Earth changes, causing the moon to appear to go through phases. However, because Europa is relatively small and has a low surface reflectivity, its phases are not as noticeable as the phases of the Moon.
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what is part of all organic compounds
Answer:
A. Water
B. Carbon
C. Nitrogen
D. Phosphorus
Answers
Answer:
B.
Explanation:
Carbon is in all organic matter.
for a sociology course: what skills from this course would you use to produce an annotated bibliography for your course research project?
Answers
An annotated bibliography refers to a list of citations to books, articles, and documents. It is essential for you to understand some skills from a sociology course that you can use to produce an annotated bibliography for your course research project.
Here are the skills:Ability to researchThe first skill that you can utilize from sociology is research. As you research, you can identify the required information to create an annotated bibliography. Sociology teaches students the importance of research as it is vital in collecting data, information, and facts that you will need to support your research project. This knowledge is useful because it equips you with the tools you need to find the right sources that provide your research paper's valuable information.
Ability to organizeThe second skill is the ability to organize. Sociology teaches students how to organize their thoughts, ideas, and concepts, which is essential in creating an annotated bibliography. This skill will enable you to organize your bibliography in a specific format. Sociologists need to organize their work well to give it meaning and direction.Ability to evaluateLastly, sociology teaches students how to evaluate sources.
An annotated bibliography requires you to select sources that provide valid and reliable information, and you must know how to assess the sources' credibility. Sociology teaches students how to evaluate and determine the validity of sources. This knowledge is beneficial when creating an annotated bibliography.
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Unlike birds and mammals, fish and reptiles grow their entire lives. What feature of their bone development is different from that of humans?
Answers
The feature of bone development of fish and reptiles which is different from that of humans is that structures such as jaw is formed from several bones being joined together while humans have only a single bone forming it.
What is a Bone?This is referred to as the living tissues which make up the skeleton and are important as they protect and provide structural integrity to the cells of the body.
The jaw of fish and reptiles are formed from several bones being joined together while humans have only a single bone forming this type of structure which is one of the differences.
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During meiosis, cells divide two times, rather than one time like mitosis. Why is having two rounds of division important for sexual reproduction?
Answers
A child who has a mental age of 9 and a chronological age of 10 will have an IQ of
Answers
How are field guide and dichotomous key alike and different???
Give several ways the are alike and several ways they are different.
Be sure to use good science language in your response.
Answers
Answer:Field guide: an illustrated book that provides descriptions of plants or animals found in nature. Dichotomous key: a device used to identify what group an organism or object is in. ... Organisms are MOST CLOSELY related. Members of a species are capable of breeding and producing offspring that can also reproduce.
Explanation:
What product(s) do plants produce during photosynthesis that is/are used by humans and other animals
Answers
Answer:
oxygen and sugar(glucose)
human consumes oxygen
animal that eats plants benefit from the sugar
The answer is glucose and oxygen.
What products of photosynthesis do humans and animals use?There's a product other than glucose that comes out of photosynthesis: oxygen. Animals breathe oxygen every minute of every day, and we breathe out carbon dioxide.
What products do plants produce during photosynthesis that are used by humans and other animals as reactants during cellular respiration?Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide.
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Increasing the number of coils in a solenoid or an electromagnet results in a ___
magnetic field.
Answers
Answer: Stronger Magnetic Field
Explanation:
The magnetic field in a solenoid is given by
\(B=\mu nI\)
where B=magnetic field
\(\mu=\)Permeability
n=no of turns per unit length
I=Current through solenoid
When No of turns increases, it increases the strength of the magnetic field.
Answer:
Hey I saw that you had the Geometry end of year review escape room I was wondering if you maybe had the answers and work for the rest of the pages?
Explanation:
Thank u
Carbonic anhydrase inhibitors cause less movement of carbonic acid toward carbon dioxide production and are used as a prophylactic treatment of altitude sickness. Altitude sickness occurs when a hiker ascends to altitudes where the density of oxygen is low. How does this decrease the symptoms of high altitude sickness?
A) The excess hydrogen ions are excreted in the urine and the resulting loss of acidity increases respiration rate.
B) The excess bicarbonate ions are excreted in the urine and the resulting loss of blood pressure increases respiration rate.
C) The excess bicarbonate ions are excreted in the urine and the resulting increase in blood acidity leads to an increase in ventilation.
D) The excess bicarbonate ions in the blood increase the affinity of hemoglobin for oxygen.
Answers
Answer:
The excess bicarbonate ions are excreted in the urine and the resulting increase in blood acidity leads to an increase in ventilation.
Explanation:
PLEASE HURRY ILL MARK YOU AS BRAINLIST!! The results of a dart game were precise but not accurate. The accepted value of the game was the center of the dartboard.
Which correctly describes the results?
A. All of the darts hit the center of the board.
B. Some of the darts hit the center of the board.
C. The darts hit the same general area of the board.
D. The darts hit very different areas of the board.
Answers
Look at DNA, a polymer, and nucleotide, a monomer, on the nucleic acid page. There are sugar molecules within these structures. How many sugar molecules are in DNA and the nucleotide?
Answers
Answer: 1 sugar molecule
Explanation:
The basic building block of DNA is called a NUCLEOTIDE. A nucleotide is made up of one sugar molecule, one phosphate molecule and one of the four bases.
Where are the instructions that ribosomes use to assemble proteins found?
A. In vacuoles
B. In chloroplasts
C. In the Golgi apparatus
D. In the nucleus
Answers
Answer:
d
Explanation:
ive had this question before
4. Different cell types may have very different appearances but the same genetic material. What accounts for these differences?
Answers
The differences in appearance between different cell types with the same genetic material are due to the differences in gene expression.
What is gene expression?
Gene expression is the process through which a gene's information is used to create a functioning gene product, allowing it to produce end products like proteins or non-coding RNA and ultimately have an impact on phenotypes.
All cells in an organism contain the same genetic material, which includes the DNA that encodes the instructions for building all the proteins and structures required for cellular function. However, not all of the genes in a given cell are active or expressed at the same time resulting in differences in the appearance and functions of cells.
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