Answer:
Phospate groups
Explanation:
What is the main source of energy for the world
The process of meiosis is essential in the sexual reproduction and life cycle of many organisms. The outcome of meiosis is haploid gametes. Which statements correctly describe the importance of meiosis to the life cycle or these organisms?
A) Increasing genetic diversity ensures that no two haploid gametes are exactly the same.
B) Taking a diploid cell to its haploid state occurs during the first cell division of meiosis.
C) Checkpoints during meiosis ensures that chromosome separation occurs accurately, avoiding non-disjunction.
D) DNA synthesis occurs before each cell division in meiosis ensures that the integrity of the chromosomes is maintained.
E) Reducing the number of chromosomes by half during meiosis ensures the chromosome number is maintained during fertilization.
Answer:
Its A,B,C, and E on USATESTPREP
Explanation:
PLEASE ANSWER FAST!! :)
Which of the following biogeochemical cycles can be influenced by human activity and cause eutrophication of a local water supply?
nitrogen cycle
water cycle
oxygen cycle
carbon cycle
Answer:
A.
Explanation:
Nitrogen Cycle
Answer:
D
Explanation: Its either D or C but I think its D oxygen wont hurt water
How would transcription of the E. coli trp operon be affected by changing the two Trp codons in the leader peptide gene to His codons?
Answer:
The attenuation system would respond more to histidine (His) than to tryptophan (Trp) levels
Explanation:
In genetics, the attenuation system refers to the process of control which is responsible for triggering premature termination of transcription in bacterial operons. In bacteria, the process of attenuation is characterized by the presence of an attenuator, which is a stop signal sequence found in the leader mRNA. The tryptophan (trp) operon, which is a cluster of genes responsible to encode the components required during the production of tryptophan, is controlled by the attenuation system. When there is a high tryptophan level, the ribosomes are able to translate an attenuator sequence, thereby resulting in termination of transcription. The attenuation system also controls the synthesis of other amino acids including histidine (His), phenylalanine (Phe) and threonine (Thr).
What spheres are affected by pesticides? Is the atmosphere, geosphere, hydrosphere, and biosphere affected by pesticides?
The following changes in the US energy policy are recommended.
Use more natural gas to reduce reliance on imports.
Subsidize the use of alternative energy sources.
Evaluate the advantages and disadvantages of nuclear power.
Strongly promote conservation measures.
If these recommendations are adopted, which statement will describe the US energy policy?
A)
It is moving toward the hard-path or business-as-usual approach.
B)
It is moving toward the soft-path or visionary approach.
C)
It continues to take the hard-path or business-as-usual approach.
D)
It continues to take the soft-path or visionary approach.
Please select the best answer from the choices provided
Answer:
B
Explanation:
makes the most sense and its definitely not A or D
Answer:
B.) It is moving toward the soft-path or visionary approach
Explanation:
Got it right on Edge
20. Dominant inheritance: Pattern of inheritance in which, when an individual receives contradictory
alleles for a trait, only the dominant one is
Answer:
Only the dominant one is expressed.
WHO CAN HELP 20 pys⭕️
How many nucleotides are there in 5 codons?
Answer:
15 because one codon is three nucleotides
In the last 100 years, the average surface temperature of the Earth has risen by about ____________ degree Fahrenheit and could increase by another one to four degrees in the next 50 years.
Two rough black guinea pigs when bred together have two offspring. One of them is rough white and the other is smooth black. What are the genotypes of these parents?
Parent 1 __________ Parent 2 ___________
Answer:
Parent 1 = RrBb
Parent 2 = RrBb
Explanation:
This question involves two genes in guinea pigs. The allele for rough coat (R) is dominant to smooth coat (r), and the allele for black coat (B) is dominant to white coat (b).
According to this question, two rough black guinea pigs when bred together produced two offsprings. One of the offsprings is rough white (R_bb) and the other is smooth black (rrB_). This means that, to produce such offsprings, the parents must be both heterozygous for both genes (RrBb). Please find the punnet square for this cross attached
A scientific investigation is replicable if
A.
the same investigation is conducted in two different laboratories by two different scientists and the same results are produced.
B.
one scientist performs many different experiments in his or her own laboratory.
C.
two different scientists perform different experiments in their own laboratories but they produce the same results.
D.
one scientist performs the same experiment in his or her own laboratory and different results are obtained.
Answer:
I believe the answer is d
Answer:
"the same investigation is conducted in two different laboratories by two different scientists and the same results are produced"
Explanation:
I just did this on study island and got it right!
Evaluate the pros and cons of using an NPK fertilizer, a natural compost, and lime on a field with substantial amounts of clay and humus and with a low pH of 3, which is to be planted with a legume crop.
Answer:
Leaching of nutrients occur.
Explanation:
NPK fertilizers are applied to the field all over the world because it has a good effect on the growth and development of plants but it has also some environmental effects such as leaching which pollutes water bodies whereas natural compost is good for the plants as well as for the soil organisms but its breakdown is very slow and it is not readily available to the plants. Lime is also very good for the soil having low pH because lime is basic in nature and it increases the pH of the soil.
Who can help me with this please
How can humans interfere with the phosphorus cycle?
Answer:Humans affect the phosphorus cycle mainly by the use of fertilizers and raising livestock, especially hogs.
Explanation: Hope this helps:)
What is most likely to happen if predators are introduced to an ecosystem with no known predators?(1 point) An increase in species migration. An increase in species differentiation. A decrease in species evolution. A decrease in species abundance.
Answer:
A decrease in species abundance.
Explanation:
(this was correct- connections academy)
if predators are introduced to an ecosystem with no known predators there is a decrease in species abundance.
What is the role of predators in the ecosystem?
Predators are an important part of a balanced ecosystem. Predators remove vulnerable prey, such as the old, injured, sick, or very young, leaving more food for the survival and success of healthy prey animals.
Also, by controlling the size of prey populations, predators help slow down the spread of disease.
Thus, if predators are introduced to an ecosystem with no known predators there is a decrease in species abundance.
To learn more about the ecosystem click here:
https://brainly.com/question/869877
I am a prokaryote and can be found all around you in places like your desk, shoes, and even your guts.what kingdom am i?
In a sexually reproducing species, evolution cells that have completed the entire process of meiosis have _____ compared with cells that are just about to start it
I need the answer to "_____" Thank you!
1
(d) A student used a respirometer to investigate the effect of temperature on the rate of respiration
of germinating seeds.
Predict the results of this investigation and explain your prediction.
prediction
explanation
[4]
Explanation:
predicting metabolic state in a seed requires sun, heat exposure, root establishment 2 absorb nutrients from the sun, & soil agree ability.. because all 3 need eachother to produce necessary chlorophyll to feed the plant...
The amount of nitrogen in the atmosphere is affected by:
A) sewage treatment plants
B) inorganic nitrogen fertilizers
C)pollution from factories
D)all of the above
Identify whether the given item describes elements of gray or white matter of the spinal cord.
a. Contains myelinated axons
b. Posterior column
c. Located to the periphery of the spinal cord
d. Gracile fasciculus
e. Anterior spinocerebellar tract
f. Medial vestibulospinal tract
g. Marked by low myelination
h. Functions to integrate arriving electrical signals
i. Contains somas, synapses, and dendrites
The grey matter includes neural cells, dendrites, and axon terminals, whilst white count number consists of axons and myelin.
How can you inform the difference between grey and white remember and the brain?The white rely takes place in both the brain and spinal wire. but, gray be counted is a large part of the mind. the main difference among white rely and grey rely is that white count number mainly incorporates myelinated axons and gray matter specifically consists of cells, axon terminals, and dendrites.
What is the grey and white remember of the spine?Gray be counted is a grey area across the critical anxious machine of the CNS. A combination of neuron bodies of interneurons and motor neurons and neuroglia. Synapses from grey matter. White depend does not incorporate the bodies of neuron cells however millions of axons and neuroglia.
Learn more about Gray Matter here: brainly.com/question/10625852
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Why do we observe that superficial, varicose veins are more common in the lower extremities than in the upper extremities?
Answer:
Varicose veins are twisted, enlarged veins. Any superficial vein may become varicosed, but the veins most commonly affected are those in your legs. That's because standing and walking upright increases the pressure in the veins of your lower body.
Explanation:
where do plants get their energy from for photosynthesis to occur? water, sunlight, oxygen, or food(glucose)
Answer:
Sunlight and Water
Explanation:
Plants can make food from absorbing sunlight
Which is the relationship between photosynthesis and cellular respiration?
Cellular respiration makes the glucose that is needed by photosynthesis
Photosynthesis makes the glucose that is broken down by cellular respiration
Cellular respiration converts the glucose that is made by photosynthesis to oxygen.
Photosynthesis converts the glucose that is made by cellular respiration to carbon dioxide
Why we get tired when we wake up from sleep immediately??
Answer:
Sleep inertia, which is a normal part of the waking process. Your brain typically doesn't instantly wake up after sleeping. It transitions gradually to a wakeful state. During this transition period, you may feel groggy or disoriented.
Answer:
is due to sleep inertia... your body may be awake but brain is not active yet
Which option lists materials in order by their ability to allow the flow of
electrons, from least easily to most easily?
A. Insulator, semiconductor, conductor
B. Conductor, semiconductor, insulator
c. Semiconductor, insulator, conductor
O D. Semiconductor, conductor, insulator
The correct option that lists materials in order by their ability to allow the flow of electrons, from least easily to most easily, is Insulator, Semiconductor, and Conductor, which is in Option A.
What are an electron, an insulator, etc.?The ability of a material to conduct electricity depends on the number of free electrons that are available to move through the material. In an insulator, there are very few free electrons, which means that the material does not conduct electricity very well. Insulators are typically used to prevent the flow of electricity, for example, in electrical wiring, where plastic or rubber coatings are used to insulate the copper wires.
Hence, the correct option that lists materials in order by their ability to allow the flow of electrons, from least easily to most easily, is Insulator, Semiconductor, and Conductor, which is in Option A.
Learn more about the electron, insulator, etc. here.
https://brainly.com/question/19678249
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Which representation of data visualizes potential relationships between variables?(1 point) a table a graph a chart a list
Answer:
A chart
Explanation:
A database management system (DBMS) can be defined as a collection of software applications that typically enables computer users to create, store, modify, retrieve and manage data or informations in a database. Generally, it allows computer users to efficiently retrieve and manage their data with an appropriate level of security.
A chart is a representation of data which visualizes potential relationships between variables. Some examples include pie chart, bar chart, etc.
A bar graph also known as a bar chart can be defined as the graphical representation of data (informations) by using vertical columns or rectangular bars. When a data set is observed, a bar chart can be used to graphically represent or record the total or overall amount of information contained therein. Generally, bar charts are used for the comparison of informations obtained from a data collection by representing each value (information) with rectangular bars respectively.
Answer:
A graph
Explanation:
Took the quick check xd :)
a What is the other name for a microbe ?
Answer:
microorganisms, bacillus, bacterium, virus or germ
Answer:
microorganism
Explanation:
How do trees remove carbon from the atmosphere ?
Answer:
Trees and including all plants use the energy of sunlight and including the process of photosynthesis they take with the carbon dioxide or know as ( CO2) from the air and water from the ground. In this process of converting this into wood they can relase oxygen into the air.
I hope this helps you .
Can a person with blood type A successfully receive a transfusion from a person who has type B? Why or why not?