Answer:
true
Explanation:
Both the initial and final substances are composed of atoms because all matter is composed of atoms. According to the law of conservation of matter, matter is neither created nor destroyed, so we must have the same number and type of atoms after the chemical change as were present before the chemical change.
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Certain fungi can fight or cause disease.
Question 9 options:
True
False
Answer:
true
Explanation:
Which three of the following options are taken in (absorbed, taken in, and taken up)
by plants when conducting photosynthesis? *
A. Sunlight
B. Glucose/Sugar (C6H1202)
C. Carbon Dioxide (CO2)
D. Oxygen (02)
E. Water (H20)
Answer:
A, C, E
Explanation:
Which behavior is a learned adaptation?
O a baby using a fork to eat
O sleeping
O All behaviors are learned.
o mating
Answer: the person before me is right. It’s a baby using a fork to eat.
Explanation: I just took the test! :)
Answer:
baby fork
Explanation:
i took the test :]
How did Wegener think that continents went together?
Answer: Basically he thought that due to the earth spinning it would cause the continents to break apart and squish together but now we know that wasnt the case because it is present time and there is more technology than back then.
I hope this helped! Have a good day :DDD
What are the advantages and disadvantages that prokaryotes have during the process of
protein synthesis?
Explanation:
Prokaryotes have the advantages associated with greater simplicity, including more rapid reproduction, rapid mutation and adaptation to new environments, and more diverse metabolic systems. They also possess an ability to pass on adaptive genes to other bacteria in the form of plasmids.
How prevalent are crimes committed by people who have an overabundance of testosterone coupled with low levels of serotonin?
A. Very rare because testosterone makes people more subdued and content.
B. Very rare because serotonin is what makes people irritable and anxious.
C. Relatively common since high testosterone levels always lead to aggressive behavior.
D. Relatively common because high testosterone levels can sometimes lead to aggressive behavior.
Answer:
D. Relatively common because high testosterone levels can sometimes lead to aggressive behavior.
Explanation:
Plato Correct!
What is another term for the responding variable?
O primary variable
dependent variable
independent variable
uncontrolled variable
The answer is DEPENDENT VARIABLE
-edgy 2021
Answer:
B. Dependent variable.
Explanation:
An experiment can be defined as an investigation which typically involves the process of manipulating an independent variable (the cause) in order to be able to determine or measure the dependent variable (the effect).
Hence, an experiment is used by scientists or psychologists to illustrate how a change in variable affects behavior.
This ultimately implies that, an experiment can be used by scientists to show or demonstrate how a condition causes or gives rise to another i.e cause and effect, influence, behavior, etc in a sample.
In an experiment, there are two (2) main types of variables and these are;
I. Independent variable: this is the variable that is being manipulated or alters and as such it is the cause of a behavior. This variable stands alone.
II. Dependent variable: this variable is the direct effect of the actions of the researcher in an experiment.
Basically, the dependent variable is the variable that is being measured and tested by an experimentalist.
Hence, dependent variable is another term for the responding variable because it responds to an action.
Giving everything!!!!!!!!! Plzzzz help!!!!!!!!!!! ASAP!!
The immune system has two modalities, specific and nonspecific responses. Which of the following is an example of a nonspecific response?
A. an antigen binding to an antibody
B. inflammation at the site of an infection
C. a cytotoxic T cell attacking a pathogenic agent
D. lymphocytes activating plasma cells in the blood
B. Inflammation at the site of an infection is an example of a nonspecific response of the immune system.
What is non-specific immune response?Non-specific immune responses, also known as innate immunity, are the first line of defense against invading pathogens and are activated immediately upon exposure to a foreign invader. These responses are not specific to a particular pathogen and do not require previous exposure or recognition. Instead, they provide a general response that helps to prevent the spread of the pathogen and contains it until the specific adaptive immune response can be activated.
Examples of non-specific immune responses include physical barriers such as skin and mucous membranes, as well as physiological responses such as inflammation, fever, and the activity of phagocytic cells like macrophages, which engulf and destroy pathogens. Non-specific immune responses also include natural killer cells, which are able to recognize and kill infected cells, and the complement system, a group of proteins that help to enhance the ability of other components of the immune system to destroy pathogens.
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Plzzz Help!!! Giving everything!!
Water has a unique property. Like most liquids, it becomes denser as it cools, but at 4°C it reaches maximum density. Solid ice is less dense than liquid water, which is why ice floats. How would this property protect aquatic life in a lake?
A. The lake would not freeze solid.
B. Predators would be kept out of the lake.
C. Dissolved oxygen would remain in the lake.
D. Heat would be conducted away from the lake.
Answer:
A
Explanation:
It's A
Due to this unique property of water, the lake would not freeze solid.
What is anomalous expansion of water?The anomalous expansion of water is an abnormal property of water in which it expands instead of contracting when the temperature goes from 4 degree Celsius to 0 degree Celsius and it becomes less dense.
Due to this property of water, the aquatic life is protected deep in water in colder region so we can conclude that due to this unique property of water, the lake would not freeze solid.
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what is the purpose of the article The Amazing World Inside a Human Cell
You take a job selling diet marshmallows at a company where the average employee earns $70,000 a year. Later you discover the company has a president and 30 salespeople, but each sales person eats $20,000 a year. How can the "average" be so high?
To find the average they also take into account the salary of the president, who probably makes a lot more than $20,000.
Biotic and abiotic factors can be limiting factors to a population. True False
Answer:
True
Explanation:
Answer:
true
Explanation: A limiting factor is any biotic or abiotic factor that PROMOTES the existence, numbers, ... True. Factors that limit one population in a community many also have AN ... True. Different species may have different ranges of tolerance.
. Two students are discussing natural selection in bacteria and how it can relate to antibiotic resistance in
bacteria.
Bernadette states that when antibiotics are used, bacteria can respond by developing traits to help them
defeat the antibiotic, which then may increase their fitness.
Dominique states that there is already a variety of traits among the bacteria. Bacteria that have traits that
allow them to survive the antibiotic and reproduce may have higher fitness.
Which individual's reasoning do you agree with more and why
Answer:
Bzryh
Explanation:
because he won
A somatic (body) cell containing 40 chromosomes will have _____ chromosomes in its gametes (sex cells).
Group of answer choices
20
80
40
0
Answer:
Explanation:
20 chromosomes.
gametes recieve half number of chromosomes.
When constructing an energy pyramid of the swamp ecosystem, which of these would be placed at the top of the pyramid?
Answer:
American alligator
Explanation:
Purines and primidens are the two types of nitrogens.basis in nuclic acid,breifly explain both of them
Answer:
Pyrimidines
Uracil = 2,4-dioxy pyrimidine
Thymine = 2,4-dioxy-5-methyl pyrimidine
Cytosine = 2-oxy-4-amino pyrimidine
Orotic acid = 2,4-dioxy-6-carboxy pyrimidine
Polynucleotides
Nucleotides are joined together by 3'-5' phosphodiester bonds to form polynucleotides. Polymerization of ribonucleotides will produce an RNA while polymerization of deoxyribonucleotides leads to DNA.
https://library.med.utah.edu/NetBiochem/pupyr/pupy15.gif
Explanation:
Which theory of the spread of human beings is supported most by modern
evidence?
A. Ice Cap theory
B. Multi-regional theory
c. Out of Africa theory
Don’t do it for the points please
Answer:
multi-regional theory
Explanation:
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What do we call species like wolves
who have impact on so many other
species, whether the effects are direct
or indirect?
nroducers
Answer: A keystone species
Explanation: This makes their presence especially important. For this reason, wolves are considered a keystone species. Wolves exert both direct and indirect effects on their ecosystem; influencing their prey, their prey influencing the plant and animal species beneath them, and so forth down the chain.
Hello Beautiful People!
I was wondering if anyone had made a study guide for the Cambell Biology textbook
19
1 point
The Endosymbiont Theory explains how the Golgi body is able to act in modifying proteins.
True
ОО
False
Answer:
Explanation:
This is true
What does the Smooth E.R. Do
Answer:
it's important function is to manufacturer Lipids
Answer:
The smooth E.R mainly makes the lpids that make up the cell membrane.
Explanation:
2. What is the difference between a scientific theory and scientific law?
A scientific theory attempts to explain why natural events occur while scientific law are
statements that describe natural events.
A scientific law attempts to explain why natural events occur while scientific theory are
statements that describe natural events
Answer:
Like theories, scientific laws describe phenomena that the scientific community has found to be provably true. Generally, laws describe what will happen in a given situation as demonstrable by a mathematical equation, whereas theories describe how the phenomenon happens
Explanation:
During mitosis, micro tubes attach to chromosomes at the ____
Please help!!!!
Can someone please give a small description on these words based off of plant cells
Cell wall
Golgi apparatus
Chloroplast
Cell membrane
Intermediate filaments
Ribosome
Answer:
Cell wall: A protective layer covering the outside of the cell. They keep the shape of the plant cell, prevent water loss, and provide support.
golgi apparatus: Transports proteins and lipids around the cell. Often it is called the shipping department of the cell.
chloroplast: Chloroplasts store chlorophyll and this is where photosynthesis takes place in the cell.
Cell membrane: A layer that covers the cell, acts as a gate and determines what comes and goes through the cell. It allows good things in, while keeping others out.
Intermediate filaments: Provides support when when the plant cell comes into contact with other cells.
Ribosome: The part of the cell that is responsible for creating proteins.
56. Students in an eighth grade science class are investigating different cells under a microscope,
as shown by the three microscope drawings below.
What part of the cell theory is best illustrated by these three slides?
O All organisms are composed of cells.
All organisms are composed of a single cell.
O All organisms are composed of more than one cell.
O All organisms come from pre-existing cells that divide.
All organisms come from pre-existing cells that divide.
What is Microscope?Microscope: a device that magnifies small objects, giving the user a close-up view of minuscule structures at a scale suitable for observation and analysis.
Even though optical microscopes are the focus of this article, an image can also be magnified by a variety of different wave types, such as acoustic, X-ray, or electron beams, and is then captured using direct or digital imaging, or a combination of these techniques.
The magnifying power of a microscope is a dimensionless ratio that expresses how often the thing under examination seems to be magnified.
Therefore, All organisms come from pre-existing cells that divide.
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Which of the following is NOT one of the four main layers of Earth's atmosphere?
A. Troposphere
B. Thermosphere
C. Mesosphere
D. Exosphere
list 5 disorders that affect female reproductive system an discuss them
Answer:
Endometriosis.
Uterine Fibroids.
Gynecologic Cancer.
HIV/AIDS.
Interstitial Cystitis.
Polycystic Ovary Syndrome (PCOS)
What is NOT a function of the nucleus?
Answer:
The nuclues cannot help modify proteins.
Explanation:
Which of these decreases as greenhouse gas pollution increases?
A. Rate of ice-sheet melting
B. Ocean salinity
C. Ocean surface temperature
D. Sea levels
The climate-changing gases present in the atmosphere are greenhouse gases. An increase in greenhouse gas decreases the salinity of the oceans and sea. Thus, option B is correct.
What are greenhouse gases?Greenhouse gases are the major factor contributing to global warming and climate change. They are present in the atmosphere and have increased with a rise in the level of pollution.
The greenhouse gases have an inverse effect on the salinity or the thermohaline circulation. The increased temperature affects the glaciers and results in the melting of the ice caps thereby increasing the water level and surface temperature.
The increased water level and temperature increase the evaporation rate and elimination along with the circulation rate of the water from the poles and equator resulting in decreased salinity.
Therefore, the greenhouse gases decrease salinity.
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If a molecule is too large to pass through a cell membrane, it will need to use a
