Answer:
Fungi.
Explanation:
Fungi doesn't contain any chlorophyll, a vital protein for photosynthesis
Change the following statements into a good hypothesis. Adding salt to the soil may affect the growth of grass.
Answer:
will cause the grass to die faster
Explanation:
If there is no phenotypic variation in a trait, then the heritability of that trait will be approximately:______.
Indicate whether each of the following statements is true or false.
a. A single nucleolus always corresponds to a single nucleolus organizer region.
b. The fibrils seen in electron micrographs of nucleoli contain DNA and RNA.
c. The DNA of nuclei carries the cells tRNA genes which are present in the clusters of multiple copies.
Answer:
a. false
b. true
c. true
Explanation:
NORs (Nucleolus organizer regions) are chromosome regions in which ribosomal genes are encoded, while nucleoli (singular = nucleolus) are nuclear territories where ribosomes are produced and assembled. A nucleolus may contain one or more NORs.
Nucleoli are composed of DNA, RNA and proteins arranged around NORs.
The transference RNA (tRNA) genes are known to be spatially associated with the nucleolus as happen, for example, in Saccharomyces cerevisiae.
What is the difference from adhesion and cohesion ?
Answer:
see answer in the explanation
Explanation:
Adhesion is the force of attraction between different substances, like water.
Cohesion is the force of attraction between molecules of the same substance.
1. The epicenter of an earthquake can be located using _______ from at least three seismographic stations.
2. The Richter scale magnitude can be calculated using the _______ of the wave traced out on a seismogram.
3.Rayleigh waves and Love waves are confined to the _______.
Match the term on the left with its definition on the right.
Term Definition
4. Seismic shadow zone a. A process used to determine the epicenter of an earthquake
5. Triangulation b. A surface wave that causes horizontal motion
6. Rayleigh waves c. Areas on the earth’s surface where waves traveling through the earth don’t arrive due to refraction
7. Love waves d. A surface wave that causes vertical motion
Respond to the following based on your reading.
Why can seismic waves be used to determine structures and materials within the earth?
1. triangulation
2. amplitude
3. surface
4. c
5. a
6. d
7. b
8. Seismic waves can be used to determine the structures and materials of the earth because the waves change in their movement and behavior based on the materials or structures that they encounter.
According to the question the answer is as follow:
2. amplitude
3. surface
4. c
5. a
6. d
7. b
8. Seismic waves can be used to determine the structures and materials of the earth because the waves change in their movement and behavior based on the materials or structures that they encounter.
What are seismic waves explain?Seismic waves are caused by the sudden movement of materials within the Earth, such as slip along a fault during an earthquake. Volcanic eruptions, explosions, landslides, avalanches, and even rushing rivers can also cause seismic waves.
Thus, these are the answer.
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Scientific investigations include many different steps. During a scientific
investigation, which step occurs after a scientist collects data?
A. Form the hypothesis
B. Follow the procedure
C. Plan the experiment
D. Draw conclusions
NEED HELP FAST!! Question 8(Multiple Choice Worth 3 points) (01.04 HC) A group of students performed an experiment to prove the law of conservation of energy. In the experiment, a flask containing water at room temperature was shaken vigorously for a few minutes. The table shows a partial record of the temperature of the water before and after shaking. Experimental Record Temperature Before Shaking 20 °C After Shaking Unknown What best predicts the unknown temperature? Less than 20 °C because the total energy of the system after shaking is lower Greater than 20 °C because the total energy of the system after shaking is higher Less than 20 °C, because the mechanical energy from shaking transforms to thermal energy Greater than 20 °C, because the mechanical energy from shaking transforms to thermal energy
Answer:
22 degrees
Explanation:
Answer: "Greater than 20 °C, because the mechanical energy from shaking transforms to thermal energy"
Explanation:
I took the test
An organ is a combination of different _______ functioning together for a specific task.
Answer:hola no se cial es la respursta pero garcias por escucharme
Explanation:
3
Any group of complex compounds consisting of nucleotides
and is composed of a 5-carbon sugar, nitrogenous base and
a phosphate group.
(5 Points)
Carbohydrates
Proteins
Lipids
Nucleic acids
Answer:
Nucleic acids
Explanation:
Nucleic acids are one of the the four major biological molecules in living systems (the other three being; carbohydrate, protein, and lipids). Nucleic acid is a biological polymer that is made up of monomeric units called NUCLEOTIDES.
Nucleotides, are monomers of nucleic acids that consists of a 5-carbon sugar (ribose or deoxyribose), nitrogenous base (Adenine, Guanine, Cytosine and Thymine/Uracil) and a phosphate group (PO34-). Ribonucleic acid (RNA) are deoxyribonucleic acid (DNA) are the two types of nucleic acids.
Earth’s rotation is slowing over time. Billions of years from now, it is expected that Earth will take 47 days to make one rotation instead of the current 24 hours. How might this change the temperatures on Earth?
Answer: Due to a transfer of Earth's rotational momentum to the Moon's orbital momentum as tidal friction slows the Earth's rotation. That increase in the Moon's speed is causing it to slowly recede from Earth (about 4 cm per year), increasing its orbital period and the length of a month as well. In orbital mechanics, a gain in speed results in a higher orbit. The slowing rotation of the Earth results in a longer day as well as a longer month. Once the length of a day equals the length of a month, the tidal friction mechanism will cease. That's been projected to happen once the day and month both equal about 47 days, billions of years in the future. If the Earth and Moon still exist, the Moon's distance will have increased to about 135% of its current value.
Determine whether the following statement is true or false: Adenosine triphosphate (ATP) is a crucially important energy carrier in cells.
Answer:
true
Explanation:
I just did the test
Carbon dioxide in the atmosphere is a _____ gas that traps heat which causes the temperature to rise.
What’s the blank?
Answer:
Trace gas.
Explanation:
Answer:
Trace gas
Explanation:
It is a Trace gas. .
what is the special life force in the air called that people used to think created microbes?
Answer:
spontaneous generation
Explanation:
Spontaneous generation is the myth that organisms could originate without the need to have descent from similar organisms (i.e., created spontaneously from the dust). This belief stated that organisms could arise from nonliving material. Louis Pasteur conducted experiments in order to show that this belief was false and thus confirm the theory of biogenesis, which states living organisms can be only generated by the reproduction of similar living organisms. Pasteur showed that microorganisms could not be developed in isolated sterilized tubes, but they could be developed in open tubes, thereby showing that reproduction (biogenesis) is the only source of living organisms.
A wedge and a screwlare variations of what type of simple machine?
A)Pulley
B)Lever
C)Wheel and Axel
D)Inclined plane
Answer:
b. Lever
Explanation:
to find directions on a map , you would look for a _______
Answer:
compass rose
Explanation: I
hope this helps!
Which of the following medications is a parasympathetic bronchodilator?
A. Ipratropium
B. Albuterol
C. Alupent
D. Bronkosol
Answer: Option A.
Ipratropium
Explanation:
parasympathetic bronchodilator medications block the parasympathetic nerve reflexes that ensures the constrictions of air pathways which make it to be opened.
Ipratropium is a drug use to open or close lungs airways for treatments of pulmonary diseases or asthma
Ipratropium is a parasympathetic bronchodilator because it's causes the dilation of lungs airways which is a Blocking cholinergic receptors which will reduce the production of cyclic guanosine monophosphate causing dilation or decrease in lungs airways which result in a decrease or reduction in lungs smooth muscles contractions.
Histones are proteins associated with:________
What is the largest single cell
Answer:
Caulerpa taxifolia
Explanation:
I don´t have an explanation for it I just know from a test
Explanation:
Biologists used the world's largest single-celled organism, an aquatic alga called Caulerpa taxifolia, to study the nature of structure and form in plants.
It is a single cell that can grow to a length of six to twelve inches.......
Why, according to some anthropologists, is the concept of cultural hybridity almost a good idea?
Honeypot ants (genus Myrmecocystus) can store liquid food inside their expandable abdomens. Consider other ants you are familiar with, and list how a honeypot ant exemplifies three key features of life: adaptation, unity, and diversity
Explanation:
When the environment becomes too hostile to aid the search for food (that is, dry season), the honeypot ant which can be referred to as repletes shows adaptation to its environment with the intelligent ability to store liquid food inside its abdomen. Their expandable abdomen serve as “living larders” for their entire colony because they are storage vessels.
It exemplifies unity because during a dry season, nutrients become more scarce. Very few flowers blossoms, and fewer insects will approach the colony which means less access to food. Honeypot ants turn to their living larders, which would have swollen to the size of grapes.
When the colony is in need of nutrient-rich liquids, a worker ant will stroke a replete’s antennae. This signals the replete to regurgitate the liquid. A worker can eat the liquid itself, or carry it to another member of the colony.
It exemplifies diversity because it is different from other ants in its ability to store liquid food in its expandable abdomen. Many insects store sweet liquid for later use. For example, honeybees usually stores liquid in their combs. Honeypot ants, are the only insects to store the liquid in their own bodies.
Honey pot ants or honey ants are the types of worker ants. It exhibits adaptation to the surrounding by storing the food in its abdomen region and shows unity and diversity.
What are the features of Honeypot ants?Honeypot ants belong to the genus Myrmecocystus is an arthropod and stores food like honey in the abdomen to the point of swelling and are 3 - 5 mm long.
They show adaptation when the environment becomes hostile and the food becomes scarce. They store the liquid food content in their abdomen and this swelled stored food of the abdomen acts as the living larders for the other ants of the colony.
Honeypot ant exemplifies the unity as during scarcity of food in off-seasons then the ants use their stored food or the larder to nourish the other ants of the colonies.
They are the tomb of the diversity as different from the other ants they store food in their own body rather some places of living like honey bees stores honey in the hives.
Therefore, honeypot ants show adaptation, unity and diversity.
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The _____ variable, or factor, is what is being deliberately changed in the experimental group.
Answer:
Independent
Explanation:
The independent variable/factor is the one that is being changed on purpose during the experiment.
This variable is changed on purpose to see how it affects the dependent variable.
why virus, virions, prions have no place in five kingdom classification
Hey, there!!
There is no place for virus, virions, prions in kungdom classification. The reason is they show both living and non living characters, which don't define them whether they are living beings or non living things.
As in 5 kingdoms, the only living organisms are classified.
Kingdom Monera mostly deals with the organism which contains prokaryotic cells.Kingdom Protista deals with the organism which have eukaryotic cells.Kingdom Fungi deals with various fungal organism. Kingdom Plantae deals with various type of plants. Kingdom Animalia deals with various type of animals.So, you can see that there is non of the kingdoms which deals with the organism which have similar characteristics like viruses, virions and prions.
Hope it helps...
Why does the word antibiotic suggest that these medications would be ineffective against viruses?
Answer:
antibiotics target bacteria
Answer:
Viruses use host cells to do their bidding for them.
Explanation:
Viruses are different than bacteria, bacteria attacks the cells while the viruses move into them. Antivirals are used to combat viruses.
Difference between results obtained from a subset and results obtained from the whole is known as the ________.
Answer:
Sampling Error
Explanation:
I just know lol
How can you tell something is alive?
Answer:
it breaths and pumps its heart cuz this is a sign that the following person is alive
How do genes have an additive effect in polygenic inheritance?
Answer:
The traits that are determined by polygenic inheritance are not an effect of dominance and recessivity, and do not exhibit complete dominance as in Mendelian Genetics, where one allele dominates another. Instead, polygenic traits exhibit incomplete dominance so the phenotype displayed in offspring is a mixture of the phenotypes displayed in the parents. Each of the genes that contributes to a polygenic trait has an equal influence and each of the alleles has an additive effect on the phenotype outcome. Hope this helps!
Explanation:
. Give three examples of specialized cells in multicellular organisms.
Answer:
Nerve cells, blood cells, and reproductive cells
Explanation:
Answer:
nerve cells, blood cells and reproductive cells
Hibernaton is_________.
What aspect of chromosome behavior most clearly accounts for Mendel's law of segregation?
A. movement of sister chromatids to opposite poles at anaphase 2 of meiosis
B. movement of homologous chromosomes during prophase 1 of meiosis
The given question is incomplete as the group of choices lack the correct answer, however, the correct group of choices are as follows:
A. Movement of sister chromatids to opposite poles at anaphase II of meiosis.
B. Movement of homologous chromosomes to opposite poles at anaphase I of meiosis.
C. Crossing over between homologous chromosomes during prophase I of meiosis.
D. Replication of chromosomes prior to meiosis.
E. Independent alignment of different homologous pairs on the metaphase I spindle.
Answer:
The correct answer is : Movement of homologous chromosomes to opposite poles at anaphase I of meiosis.
Explanation:
The Mendel's law of segregation says that during formation of gametes the copies of genes segregate from each other so each gamete has equal and only one allele of the gene.
This behavior of homologous chromosome can be seen in anaphase I in meiosis, responsible for the segregation of copies of allele into different copies.
Thus, the correct answer is : Movement of homologous chromosomes to opposite poles at anaphase I of meiosis.
why the image observed on the microscope is magnified and inverted
The objective lens is positioned close to the object to be viewed. It forms an upside-down and magnified image called a real image because the light rays actually pass through the place where the image lies.
Answer:
because the objective lens positioned close to the object to be viewed. it forms an upside down and magnified image because the light rays actually pass through the place where the image lies.
:)
Explanation: