Answer:
B. disappeared.
Explanation:
Research revealed that when drinking alcohol reduced dissonance-produced arousal, the attitudes-follows-behavior effect disappeared.
This simply means that when alcohol intake reduces a type of arousal which is dissonance induced then the attitude which is as a result of the effect disappears.
2. Think and answer
(1) A shooter hunted a bird and one of its wings got injured. Will the bird be able to
lly now? Why or why not?
Explanation:
Yes,it is possible upon the type of bird that got injured.The bird will try its best tp fly and to escape from there
According to the graph, what condition is best for enzyme
activity?
A. A temperature below 30°C
B. A temperature of 35°C
C. A temperature above 50°C
D. A temperature of 20°C
According to the graph, A temperature of 35°C where the peak is highest and the enzyme activity is higher which means the temperature is optimum for the enzyme activity.
What is the optimum temperature for an enzyme ?It is the temperature at which the enzyme gets activated in order to bind with the substrate such that it is ready to change it into product.
Here in this graph of reaction the rate of reaction is the highest peak that is the maximum of amount of reactants is changed into products. The rate of reaction is highest at this point.
A temperature of 35 degrees having the highest peak along with the maximum of enzyme activity makes it the higher for the rate of reaction to be followed up.
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Answer:
B
Explanation:
The movement of water across the cell membrane is called:
diffusion
endocytosis
exocytosis
osmosis
Answer:
osmosis .....
Answer:
osmosis
Explanation:
movement of a solvent (such as water) through a semipermeable membrane (as of a living cell) into a solution of higher solute concentration that tends to equalize the concentrations of solute on the two sides of the membrane.
1.Are there any cures or medication to relieve the effect of the Alzheimer’S disease? If so, what are they
2. Is there any research current under way to treat or cure Alzheimer’s disease? If so, describe the research
Answer:
1. While there is no cure for Alzheimer's, there are medications to help temporarily improve symptoms.
2. The most recent research is/was the research on the drug sargramostim, (AKA Leukine), It's thought that the drug may stimulate the immune system to protect the brain from harmful proteins.
hope this helps :)
A friend tosses a ball to you. Which action does your body take first to catch
the ball?
O A. Your eyes signal your brain that a ball is approaching.
O B. Nerves signal the muscles in your arms to relax.
O C. Your brain sends a signal to the spinal cord.
O D. Muscles in your arms cause your arms to grab the ball.
Answer:
The answer is A) Your eyes signal your brain that a ball is approaching.
The action where the body take first to catch the ball is option A. Your eyes signal your brain that a ball is approaching.
Role of brain sending message?At the time when the friend tossed the ball to you so here eyes signal the brain for the approached ball.
The special call that we called as the neuron is to be responsible for carrying out these message.
hence, the first option is correct.
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does sexual selection result in organisms becoming optimally adapted to their environments? Explain your reasoning
Answer:
yes, sexual reproduction leads to the selection of better individuals for a particular environment
Explanation:
Natural selection can be defined as a mechanism associated with the survival and reproduction of individuals better adapted to their environment. Sexual reproduction is able to increase genetic variation, which is the primary source on which natural selection works. In consequence, individuals that exhibit an evolutionary adaptive phenotypic variant will have more chance to survive and to reproduce than those individuals with other less adaptive traits, thereby leading to evolution of the population and tending to optimize phenotypic variants for particular environmental conditions.
Which cells of the skin are filled with a tough, fibrous protein and account for most of the epidermal cells of the skin?
Answer:
Keratinocyte
Explanation:
Keratinocytes are primarily found in epidermis and its made up of 90% epidermal skin in man.
keratinocytes forms barrier that prevent us against environmental damage by heat, ultraviolet radiation, water loss from the skin, invasion of pathogenic bacteria, fungi, parasites, and viruses.
Keratinization is a form of the physical barrier formation where more keratinocytes is produced under terminal differentiation.
What is the cell component that does most of the work of the cell working as tools, machines or structures
Answer:
Mitochondria.
Explanation:
Mitochondria is a cell organelle which also known as power house of the cell. It works like a machine because it produces energy when fuel is provided in the form of glucose. In machines, fossil fuels are provided in order to generate energy while Mitochondria work same as the machine, it produces energy in the form of ATP when glucose is provided and this energy is used in various activities by the cell.
Which show that the results of an experiment are relible
The question is incomplete as it lacks the apropriate group of choices to answer this, however, the group of choices are as follows:
A. The experiment creates ideas for new experiments.
B. The experiment supports the hypothesis.
C. The experiment can be repeated with the same results.
D. The experiment uses a very simple procedure.
Answer:
The correct answer is : B. The experiment supports the hypothesis.
Explanation:
Hypothesis is a possible explanation for the reason of any natural process to be occurred. Hypothesis can be proved with the help of scientific experiment and supported by the various evidences and data analyzed with scientific method.
Reliability of an experiment can be shown by the repetitive results of performed experiment that satisfies the hypothesis and its parts if it does not supports it is false hypothesis.
Thus, the correct answer is : B. The experiment supports the hypothesis.
In physics a players natural resistance to an unbalanced force is called?
Answer:
if a players natural resistance to an unbalanced force is called unbalanced force
Another name for forehead
Answer:
temple is another name for forehead
Explanation:
why do we have to study cells?
because cell is the basic structural and functional unit of life.
Explanation:
there is no life which can exist without cell
A molecule composed of amino acids joined together. It contains nitrogen in addition to CHO
Answer:
This question describes a PROTEIN
Explanation:
Proteins are one of the four biological molecules in living systems. It is a biological polymer composed of monomeric units called amino acids, which are chemically joined together by peptide bonds.
An amino acid structurally consists of a central carbon atom bonded to an hydrogen atom, carboxylic acid group (-COOH), an amine group (-NH2) and a R side chain, which distinguishes one amino acid from another. Since all amino acids have a nitrogen-containing amine group, all proteins also contains nitrogen in their structure. Hence, a protein consist of an hydrocarbon (CHO) with a nitrogen atom.
Which vein drains blood from the left side of the thorax and esophagus into the left brachiocephalic vein
Answer:
hemiazygous vein must be the answer
An
An example of a slow change caused by plate tectonics is
example of a rapid change caused by plate tectonics is
O climate change; precipitation
O mountain building; an earthquake
o the lithosphere; the molten core
O a volcanic eruption; oceanic crust
Answer:
B, Mountain Building; An Earthquake
Explanation:
Using technology in the field of agriculture which has enabled farmers to feed a growing human population is an example of a beneficial use of technology.
Answer:
This statement is true
Explanation:
Technologies associated with agriculture systems have greatly enhanced crop yields around the world. An example of this is the "Green revolution" in 1950-1960, where the combination of genetic improvement methodologies with the use of fertilizers was critical for the amazing increase in crop yields, particularly in new varieties of rice and wheat. Indeed, the agronomist who developed some of these high yielding varieties of wheat, Norman Borlaug, was awarded the Nobel Peace Prize for his contribution to the extensive increase in crop production, thereby helping to alleviate world hunger.
What are immortal cell lines and why are they important for cell research? (APEX diversity in science ws)
Answer and explain plz:)
Hey There!!
The answer to this is: C) a factor that may affect an experiment or investigation. This is the best answer. A and B can be eliminated. D describes a controlled variable which is more specific than a scientific variable, thus C is the best answer. It is the best description of just a scientific variable. And, The second one is B: Robert Hooke was a famous scientist who experimented with springs (metal coils). He found that the farther you stretched the spring, the larger the force with which the spring pulled back on you.
Hope It Helped!~ ♡
ItsNobody~ ☆
Which is a function of a protein macromolecule
A. Provides quick energy
B. Insulates organisms
against the cold
C. Moves things in and out of cells
D. Makes cells waterproof
Answer: c
Explanation:
Function of protein macromolecule is to move things in and out of the cells.
What are proteins?
Protein is found throughout the body in muscle, bone, skin, hair, and virtually every other body part or tissue. It makes up the enzymes that power many chemical reactions and the hemoglobin which carries oxygen in your blood. At least 10,000 different proteins make up the human being.
Protein is made from twenty-plus basic building blocks called amino acids. Because body does not store amino acids, our bodies make them in two different ways: either from scratch, or by modifying others. Nine amino acids—histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine are known as the essential amino acids, and must come from food.
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Centimeters
A farmer is collecting data about one of her cows. Which of the following points
types of data is an example of qualitative data? Select all that apply. *
The color of the cow
The number of pairs of chromosomes in each of the cow's body cells
The body temperature of the cow
nne
The age of the cow
Answer:
The color of the cow
The body temperatire of the cow
The age of the cow
Explanation:
Qualitive data involves using your senses to observe.
\ would you be injured if you pulled a muscle in your axillary region, cracked a bone in your occipital region, or cut a digit?
Answer:
yes you will be injured.
Explanation:
Use the pH chart to determine the possible
contents of each test tube shown below.
Acidic
pH
paper
рн
paper
pH
paper
EXAMPLES
Battery acid
Sulfuric acid
Lemon juice, vinegar
Orange juice, soda
Tomatoes
Meat, clean rain
Healthy lake, milk
Pure water
Sea water, eggs
Olive oil
Milk of magnesia
Ammonia
Soapy water
Bleach
Liquid drain cleaner
pH = 0
pH = 1
pH = 2
pH = 3
pH = 4
pH = 5
pH = 6
pH = 7
pH = 8
pH = 9
pH = 10
pH = 11
pH = 12
pH = 13
pH = 14
Neutral
Answer :
The possible contents in 1st test tube are meat and clean rain.
The possible content in 2nd test tube is olive oil.
The possible contents in 3rd test tube is tomatoes.
Explanation:
pH : It is defined as the negative logarithm of hydrogen ion concentration.
The main use of pH paper is to determine is a solution is acidic, basic or neutral.
The range of pH paper is 1 o 14 with different color.
If the solution is acidic then the value of pH is less than 7.
If the solution is basic then the value of pH is more than 7.
If the solution is neutral then the value of pH is equal to 7.
According to the question,
The possible contents in 1st test tube are meat and clean rain.
The possible content in 2nd test tube is olive oil.
The possible contents in 3rd test tube is tomatoes.
Answer:
Yellow pH paper: meat, green pH paper: olive oil, and the orange pH paper: tomatoes
Explanation:
are sources of groundwater. (Check all that apply) Aquifers Underground streams humidity Ice caps
Aquifers, Underground streams
Explain how the nucleus Observed in cheek cell
Answer:
The nucleus at the central part of the cheek cell contains DNA. When a drop of methylene blue is introduced, the nucleus is stained, which makes it stand out and be clearly seen under the microscope.
Copied
Answer:
The cell has different parts, and those that can absorb stains or dyes are referred to as chromatic. Having absorbed the stain, these parts of the cell become more visible under the microscope and can therefore be easily distinguished from other parts of the same cell.
Without stains, cells would appear to be almost transparent, making it difficult to differentiate its parts.
Explanation:Methylene blue has a string affinity for both DNA and RNA. When it comes in contact with the two, a darker stain is produced and can be viewed under the microscope
What statement is true of all living organisms?
Answer:
All living organisms respond to stimuli.
All living organisms can reproduce.
which stain is used to prepare an on onion peel is a slide why do we stain the onion peel
Explanation:
Safranin is used to prepare an onion peel slide. Explanation: We use this strain because this strain can differentiate the region of the cells darker than the other regions.
A substance has a volume of 20 ml and a density of 2.5 g/ml.What is it mass? A:0.125g ,B:8g, c:22.5g or D:50g
Answer:
D. 50g
volume : 20ml
= 0.02 l
density : 2.5g/ml
= 2500 g/l
therefore, p=m/v
m= p x v
= 2500 x 0.02
= 50
Which of the following best describes the large evolutionary changes that take place of thousands to millions of years and produce evolutionary novelties such as feathers in birds and large brain sizes in hominids? (type 1, 2 or 3 in the blank).
1. microevolution
2. macroevolution
3. genetic divergence
Answer:
2. macroevolution
Explanation:
Macroevolution refers to the evolutionary processes that lead to the appearance/extinction of groups larger than individual species. Macroevolutionary processes include speciation, species selection and punctuated equilibrium. The punctuated equilibrium processes are represented by phenomena such as those cases described above. These evolutionary processes are concentrated in relatively short speciation phases caused by bursts of evolutionary changes, which are then followed by stages characterized by evolutionary stasis.
A store sells a variety of sets for building molecular models. The sets are described by the diagram below. Each circled letter represents a box of 6 model atoms of one element. For example, the circled letter "P" represents a box with 6 model phosphorous atoms.
Set 1 has 12 carbon, 12 oxygen, and 18 hydrogen atoms. Set 2 has 12 carbon, 12 oxygen, and 24 hydrogen atoms. Set 3 has 6 carbon, 12 oxygen, 12 hydrogen, 6 nitrogen, and 6 phosphorous atoms. Set 4 has 6 carbon, 6 oxygen, 6 hydrogen, and 6 phosphorous atoms.
Kendra wishes to build a model of a carbohydrate molecule, ideally containing as many monomers as possible. Which set should she choose?
A. Set 1
B. Set 2
C. Set 3
D. Set 4
Answer:
B. Set 2
Explanation:
Carbohydrate is one of the four biological molecules in living systems (others are proteins, lipids and nucleic acid). The carbohydrate molecule consists of a long chain of carbon, hydrogen and oxygen elements in a ratio 1:2:1. Hence, the simplest unit of a carbohydrate has an empirical formula of (CH2O)n where n is the number of chains.
According to the question, a store sells a variety of sets for building molecular models and Kendra wishes to build a model of a carbohydrate molecule. Since carbohydrate monomers have a CH2O formula, Kendra needs a set in which the ratio of carbon: hydrogen: oxygen is 1:2:1. SET 2 fits this description by containing 12 carbon, 12 oxygen, and 24 hydrogen atoms
That is, carbon (12/12) : hydrogen (24/12) : oxygen (12/12), which is 1:2:1. Therefore, SET 2 is the best choice for Kendra in order to build her model of carbohydrate molecule containing as many monomers as possible.
Use Structure What could be a first step to
solving the equation 3x + -0.5(x + 3) + 4 = 14?
Explain.
Answer:
negative 17/7
Explanation:
this is the answer