A Bacterial cell may have all of the following except a nuclear membrane. Thus, the correct option for this question is B.
What is Bacteria?Bacteria may be defined as a type of unicellular microorganism that significantly lacks a well-defined nucleus and other membrane-bound cell organelles.
The cell wall of bacteria is made up of peptidoglycan. It is an essential protective barrier for a bacterial cell that surrounds the cytoplasmic membrane as well. The Glycocalyx is the outermost layer of the three-layered cell envelope found in many bacterial species. It limits the access of certain molecules to the extracellular membrane.
The cytoplasmic membrane in the bacteria is composed of an approximately equal proportion of lipids and proteins. Phospholipids are the main lipid components.
Therefore, a nuclear membrane is significantly not present in bacterial cells. Thus, the correct option for this question is B.
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how is a well designed investigation developed
why do scientist ask why? and how does developments in scientific thinking influence how scientific study is carried out
in electrolysis, electrons move between two metal strips called
Which of the following is critical in developing a science question?
Developing a science question requires prioritizing testability and reliance on observable phenomena, ensuring meaningful contributions to scientific inquiry and knowledge generation. The correct answer is C. Ensuring it is testable and based on observable phenomena.
In developing a science question, the critical aspect lies in its ability to contribute to scientific inquiry and understanding. It should not merely conform to popular trends or aim for complexity to impress.
Instead, the question should prioritize testability and reliance on observable phenomena.
Firstly, a scientifically rigorous question must be testable. This means that it should be possible to design experiments or gather data that can provide evidence to support or refute hypotheses related to the question.
Testability ensures that the question leads to empirical investigation, which is fundamental to the scientific method.
Without the ability to test a question, it remains speculative and cannot contribute meaningfully to scientific knowledge.
Moreover, a science question should be based on observable phenomena.
This means that it should be grounded in real-world observations or measurable phenomena that can be studied systematically. By focusing on observable phenomena, scientists can gather empirical evidence to support their hypotheses and conclusions.
Observable phenomena provide the basis for constructing scientific models and theories that accurately describe and predict natural phenomena.
Contrary to the options presented, aligning with current popular trends or emphasizing complexity and technical jargon may detract from the scientific validity of a question.
Popular trends may be fleeting and not necessarily grounded in scientific inquiry, while complexity for the sake of impressiveness may obscure the clarity and coherence of the question.
Additionally, inundating a question with technical terms can alienate audiences and obscure the underlying concepts.
In summary, the critical aspect in developing a science question is ensuring it is testable and based on observable phenomena. This ensures that the question contributes meaningfully to scientific inquiry and facilitates the generation of reliable knowledge.
The correct answer is C. Ensuring it is testable and based on observable phenomena.
Complete Question
Which of the following is critical in developing a science question?
a) Ensuring it aligns with current popular trends
b) Making sure it is overly complex to impress others
c) Ensuring it is testable and based on observable phenomena
d) Including as many technical terms as possible for sophistication
What is the function of the organelle identified as #6 in the picture (it is mostly brown, folded over, and is in the lower right part of the cell)?
A) movement
B) houses the cells DNA
C) house the digestive enzyme
D) packages proteins for transport out of the cell
Number 6 in the picture is clearly Golgi apparatus. It is a membrane bound organelle with long cisternae like structure. After the protein synthesis occurs in rough Endoplasmic reticulum, they are further packed and transported by Golgi apparatus.
the process that involves physical forces that break rock into smaller pieces is called ?
Which of the following cells would the cycle be shortest?
A. An Adult Brain Cell
B. An Embryonic Cell
C. A Teenager’s Kidney Cell
D. An Unfertilised Egg Cell
Extension - Suggest a reason for your answer
what does dew point mean
Final answer:
The dew point is the temperature at which air reaches 100% relative humidity and water vapor condenses into liquid water. To find the dew point, we can use the relative humidity and the temperature. For example, if the temperature is 20.0°C and the relative humidity is 39.0%, we can find the dew point using these values.
Explanation:
The dew point is the temperature at which air reaches 100% relative humidity. It is the point at which water vapor in the air begins to condense into liquid water. For example, if the temperature is 20.0°C and the relative humidity is 39.0%, we can find the dew point by multiplying the relative humidity by the saturation vapor density and converting it to a temperature.
“If oxygen is NOT present, glycolysis is followed by ____________.”
Fill
In
The
Blank
In the absence of oxygen, the process that follows glycolysis is fermentation. It is an anaerobic process with two types: lactic acid fermentation and alcoholic fermentation.
Explanation:If oxygen is not present, the process that follows glycolysis is known as fermentation. Fermentation is an anaerobic process, which means it occurs in the absence of oxygen. Fermentation allows glycolysis to continue by producing the NAD+ needed for this pathway. There are two types of fermentation: lactic acid fermentation and alcoholic fermentation. Muscle cells in the human body, when lacking sufficient oxygen during exercise, will perform lactic acid fermentation while yeast cells perform alcoholic fermentation.
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Which level of classification defines one specific organism?
A. Order B. Family C. Genus D. Species
Which part of the cell does this illustration represent?
Which characteristic of life best explains people having a stable internal body temperature?
A)
Heredity
B)
Response to Environment
C)
Homeostasis
D)
Reproduction
The characteristics of life that best explains people having a stable internal body temperature is homeostasis. The correct option is C.
What is homeostasis?Homeostasis is the state of constant internal, physical, and chemical conditions maintained by living systems in biology.
This is the state of the organism's optimal functioning, and it encompasses many variables, such as body temperature and fluid balance, being kept within certain pre-set limits.
The tendency to resist change in order to maintain a stable, relatively constant internal environment is referred to as homeostasis.
Negative feedback loops are commonly used in homeostasis to counteract changes in various properties from their predicted values, known as set points.
Homeostasis maintains optimal conditions for enzyme action and all cell functions throughout the body.
It is the preservation of a constant internal environment in the face of changing internal and external conditions.
Thus, the correct option is C.
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which of the following might show evidence of a year with low rainfall
Evidence of low rainfall in a specific year can be identified through decreased agricultural outputs, thin tree rings indicating stressful growing conditions, and historical climate events associated with dry conditions such as the Little Ice Age.
Explanation:Evidence of a year with low rainfall can be seen in several aspects of our environment. Some of the clearest indicators may be observed in agricultural output, tree ring records and historical climate events.
First, significant droughts can impact agricultural production sharply. For instance, in 2014, the Manchuria Plain in China experienced its intense drought in 50 years, resulting in a dramatic decrease in wheat, corn, and soybeans supplies. Thus, in years with low rainfall, we may expect to see a decline in the amount of agricultural products supplied at any given price.
Secondly, nature provides its own historical record through annual tree rings. These rings can reveal prevailing climatic conditions during each growing season. A thin ring usually suggests low rainfall or high temperature stress which impaired growth.
Lastly, major historical climate events, like the Little Ice Age in Europe in the fourteenth century is characterized by cold weather and, in some areas, droughts which reduced available food supplies due to low rainfall.
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What organelle gives plants the structure they need to stand up tall.
Are synthetic pearls the same thing as fake pearls? And why, explain? THANKSS
Answer:
Synthetic materials are almost always cheaper than real materials.
Explanation:
In order for convection to transfer heat, particles need to
Answer: circulate and move within a liquid or gas
Explanation:
hope it helped xx
In order for convection to transfer heat, particles need to circulate and move within a liquid or gas.
What is the use of the convection?Convection currents arise by the difference in particle density in the fluid. Generally, warmer particles are less dense and tend to rise, while colder particles are denser and tend to do the opposite motion.
For convection to occur, a propagating medium, usually fluid (liquid or gaseous), must exist, because convection cannot move through empty spaces. This process of heat propagation happens due to the emergence of convection currents in the fluids.
This happens, for example, when heating water in the stove. The deeper molecules near the fire heat up faster, becoming less dense than the molecules closer to the surface.
All bodies emit energy by radiation at all times. At temperatures close to the environment, this phenomenon can usually not be perceived by human eyes, but can be seen when the body is at very high temperatures, such as a glowing ember.
Therefore, In order for convection to transfer heat, particles need to circulate and move within a liquid or gas.
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Use the term grain and sediment in a sentence
Answer:
Different grain sizes of sediments are important to form different types of rocks. Geologist have great interest in studying sediments and their grain size.
what is a characteristic of cancer cells
In 2002, Colorado was suffering from extreme drought. Which technology will help Colorado reduce the effects of future droughts?
Don't click:
build storm cellars
buy more rain gauges
install hurricane ties
Absolutely click:
build dams
Very very likely click:
use water conservation devices
Explanation:
This question requires you to select all correct answers.
Many people said its
-buy more rain gauges ← I clicked this one and got it wrong
-build dams ← I clicked this one and got it right
-use water conservation devices ← I did not click this one but I believe it is the only one that is left that could be right since its a multiple answer question
So i suggest you to best click build dams and use water conservation devices
Which can be a genetic disease that requires control of insulin levels?
A) cancer
B) color blindness
C) sickle cell anemia
D) diabetes
Which of the following statements are true of atp
Final answer:
ATP, known as the energy currency of the cell, transfers energy to cell processes and releases that energy upon breaking the bond between its second and third phosphate groups. The correct option is b.
Explanation:
The correct statement about Adenosine triphosphate (ATP) is that it transfers energy to cell processes. ATP is often referred to as the energy currency of the cell, as it stores the energy derived from the catabolism of nutrients, like glucose and fats, and releases it to power various cellular functions. ATP consists of an adenosine molecule attached to three phosphate groups; when it is used for energy, the bond between the second and third phosphate groups is broken, resulting in the formation of ADP (Adenosine diphosphate) and a release of energy. This process is known as phosphorylation, where the third phosphate group is temporarily attached to another molecule, often to activate or deactivate it or to enable it to participate in a subsequent reaction. Hence, Option b is accurate.
A farmer wants to buy a new farm. The first farm he looks at has soil that is made up of light-colored sand. The second farm he looks at has fields of red clay. Finally, the third farm he looks at has soil of black loam. Which farm should the farmer buy if he wants to choose the one that will be the best for growing crops? A) farm with red clay B) farm with black clay C) farm with sandy soil D) farm with black loam
Farm with black loam will be the best for growing crops. So, the correct option is D.
What is Loam?Loamy soil is defined as a soil that is composed mostly of sand, silt and a small amount of clay. By weight, its mineralogical composition is approximately 40–40–20% concentration of sand–silt–clay, respectively.
Loam describes a specific type of soil that has been prepared from a mixture of sand, silt, and clay, while sandy loam soil is a very desirable medium used by farmers, gardeners, landowners, and property owners because It has very beneficial properties.
This soil is good for most garden plants because it holds plenty of moisture but also drains well so that sufficient air can reach the roots
Thus, farm with black loam will be the best for growing crops. So, the correct option is D.
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what forms the bond between neiboring amino acids
what is passive transport? distinguish between diffusion, osmosis, and facilitated diffusion.
Which of the following best describes the climates of Europe and North America during the 1.8 million years of the Quaternary period?
A. Hot and Dry
B. Cool and Rainy periods followed by droughts
C. Warm and Mild
D.A series of ice ages followed by periods when the glaciers melted.
What occurs in a chemical reaction? Chemical changes are reversed. Substances are melted. Atoms are rearranged. Physical changes are reversed.
Answer:chemical reaction is a reaction when two chemical is mixed and formed another substance which is irreversible no chemical reaction can't me reversible after melting and no physical changes are reversed after melting
Explanation:
During radioactive decay, atoms of a radioactive element break down and change into other atoms of another element-all at once
True or False.
PLEASE HELP ME. I will give BRAINLIEST answer
Scientists have found that the carbon-14 content of an unknown prehistoric sample was reduced to one-half. What best describes the identity of the sample?
Answer:
B
Explanation:
A rock that formed more than 10,000 years ago
The kind of biome that develops in an area is determined by temperature and
absorption is the process by which nutrients move into the bloodstream
true or false