Answer:
Each parent contributes one allele to each of its offspring. Thus, in this cross, all offspring will have the Bb genotype. Each parent contributes one allele to each of its offspring. Thus, in this cross, all offspring will have the Bb genotype.
Explanation:
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 :)
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
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.
What spheres are affected by pesticides? Is the atmosphere, geosphere, hydrosphere, and biosphere affected by pesticides?
A. Objective type questions
Choose the correct answer.
1. Which of the following is not transported by the xylem and phloem tubes on the stem?
a) Sugar
b) Water
c)
Carbon dioxide
d) Mineralsalt
Answer:
C) Carbon dioxide
Explanation:
Xylem and Phloem are tissues that majorly transport food and liquid components e.g water within a plant they are not responsible for transportation or gas e.g Carbon dioxide. The respiratory organs which are Stomata and lenticels are the ones in charge of that
Which best describes trees in temperate regions?
they have rings that form each season
the annual rings indicate secondary growth
the hormone abscisic acid is release each Autumn
all of the above
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:)
Samples of different materials A and B have the same mass, but the sample
of B is higher in density. Which statement could explain why this is so?
A. The particles that make up material B are more closely packed
together than the particles that make up material A.
B. The sample of material B has greater volume than the sample of
material A
C. The particles that make up material A have more mass than the
particles that make up material B.
O D. The particles that make up material A are more closely packed
together than the particles that make up material B
Answer: A. The particles that make up material B are more closely packed
Explanation:
The particles that make up material B are more closely packed together than the particles that make up material A. The correct answer is A. The particles that make up material B are more closely packed together than the particles that make up material A.
What is density ?Density is defined as mass per unit volume. Since the samples of material A and B have the same mass, but material B has a higher density, this means that material B has a smaller volume than material A.
The density of a material is related to the way its particles are arranged and packed together. When the particles are more closely packed together, the material will have a higher density. Therefore, option A is the correct answer that explains why the sample of material B is higher in density than material A.
If the samples of material A and B have the same mass, but the sample of B is higher in density, this means that the mass of the particles in material B is greater than that in material A, even though they have the same mass. This is because the particles in material B are more closely packed together, which means that there are more particles in a given volume of material B compared to the same volume of material A.
For example, imagine a container of 1 liter volume containing material A and another container of 1 liter volume containing material B. If the mass of material A and B in each container is the same, this means that the container of material A would have a greater volume than the container of material B. This is because the particles in material A are less closely packed together than the particles in material B.
Therefore, the key difference between the samples of material A and B is the way their particles are arranged and packed together, which determines their density.
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20 POINTS
In the _____ the virus can reproduce so rapidly that it causes the cell membrane to disintegrate.
a lysogenic
b lactic
c lymphatic
d lytic
In the lytic cycle, the virus introduces its genome and replicates after that it assembles a new virus body and ruptures the cell membrane, hence option d is correct.
What are the lytic and lysogenic cycles?In a lytic cycle, the virus transfers its genome into a host cell and starts replication by seizing control of the host's cellular machinery.
When the infection is finished, the host cell is lysed, releasing the freshly duplicated and assembled virus particles into the surrounding waters.
The virus replicates by integrating its genome with the genome of the host cell during the lysogenic cycle, which is also known as a non-virulent infection.
Therefore during the lytic cycle, the virus-cell membrane is disintegrate and the lysogenic cycle happens without killing the host, hence option d is correct.
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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:
Help!!! I need some help on this I will give heart and stars
Answer:
Energy energy.
Explanation:
Energy because it talk about light energy because of the heat, and levels.
Which substances are cycled between living thing and non living environments?
Gram-positive bacteria stain
with Gram stain.
Purple
Green
Blue
Orange
Answer:
Purple
Explanation:
Gram positive bacteria stain violet due to the presence of a thick layer of peptidoglycan in their cell walls, which retains the crystal violet these cells are stained with.
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).
discuss the importance of vernalization
Answer:
The important of vernalization it includes early flowering there by shortening the vegetative cycle of the plants (it is a production of more than a one crop in one year) the winter variety crops can be converted to spring variety (it's the protection from the freezing of injury) it helps in the increasing of yield of the plants.
Maybe this answer might help u out.
What is the main source of energy for the world
Which changes are environmental effects of farming?
A: Flooding
B: Soil Erosion
C: Increased Carbon Dioxide Levels
D: Habit Loss
How can you apply the statement "PREVENTION IS BETTER THAN CURE" to the situation where you have mosquitoes in your home?
Answer:
the mosquitos in our home prevented in this statement above
What might happen to the cell if it were suddenly unable to use lipids?
A. It would not be able to make proteins or transfer substances to other cells
B. would not be able to transfer genetic information to other cells
C. It would not be able to store energy or communicate with other cells
D. It would not be able to store water or protect itself from viruses
Explanation:
I don't know the exact answer but I can tell you that lipids are considered the building blocks of cells . the body uses lipids as a storage for energy and insulation and to make cell membranes. without lipids the cell will die . the way lipids function is .... lipidsfunction as an energy reserved regulate hormones transmit nerve impulses cushion vital organs and transport fat soluble nutrients.
I hope this can help you a little bit good luck!
Answer:
B
Explanation:
Lipids are used to store information.
Please help me with number 4
answer ASAP
Put the following events in the correct order:
A. The amino acid sequence built from the mRNA varies
B. As the DNA sequence varies the mRNA sequence that is created during transcription
varies,
C. Since the structure of the protein determines its function we see variation in the traits
expressed due to how that protein ultimately functions based on its shape
D. This causes the structure of the protein to be different because different amino acids
are used.
Answer:
B → A → D → C
Explanation:
This question involves gene expression, which is the process of how gene is used to synthesize proteins that determine the phenotype or traits of an organism. Gene expression involves two processes namely: transcription and translation.
- Transcription is the process whereby a DNA template is used to synthesize a mRNA sequence.
- Translation is the process whereby the mRNA transcript is used to synthesize an amino acid sequence, which eventually becomes a protein.
Based on this, the correct order of sequence of events given in this question will be:
- As the DNA sequence varies, the mRNA sequence that is created during transcription varies (transcription).
- The amino acid sequence built from the mRNA varies (translation).
- This causes the structure of the protein to be different because different amino acids are used.
- Since the structure of the protein determines its function we see variation in the traits expressed due to how that protein ultimately functions based on its shape.
Which of these best explains why
people before Galileo hadn't seen
moons around Jupiter?
A. They hadn't looked in the right
place.
B. They hadn't turned the telescope
toward the night sky.
C. They thought Jupiter didn't have
moons.
D. They thought Earth was the
center of the universe.
Answer:
B.They hadn't turned the telescope toward the night sky.
They thought Earth was the center of the universe. Option D is the correct answer.
What was the time when Galileo saw Jupiter's moons ?Galileo saw these Jupiter's moon around 1600 and the decade.
Galileo was almost unable to just see then every moon on the each night and the reason for this is that some of just moved away too too far in process of the orbit for the weaker telescope to just view. In that case clearly they just orbited then Jupiter in the same way and as the Moon orbits Earth.
And if the moons can orbit the planet, in that case perhaps it is true where the Earth orbited Sun after all in the end . Galileo hadn't seen moons around the Jupiter as it is almost failing geographic observations. Jupiter's moons although do not appear to orbit Earth.
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Relative Rate of
Enzyme Action
0
10
50
60
20 30 40
Temperature (°C)
According to the graph, what condition is best for enzyme activity?
A. A temperature of 35°C
ООО
B. A temperature above 50°C
C. A temperature of 20°C
D. A temperature below 30°C
Answer:
The answer is A. A temperature of 35 degrees Celsius
Explain two possible reasons why a person who looks well could still be a source of infection microorganism?
Answer:
- many pathogens exhibit a latency (asymptomatic) period of incubation
- usually, pathogens need to replicate many times in order to be transmitted between hosts (i.e., they need to increase the pathogenic load)
Explanation:
The latency stage refers to the period between being exposed to a particular pathogenic microorganism (for example, a virus) and has symptoms associated with the disease caused by such pathogen. Generally, this incubation stage is asymptomatic, thereby a person will look healthy during this period. Moreover, the pathogenic load (usually known as the viral load in viral infections) can be defined as the number of pathogenic microorganisms in an infected person's blood. During the first stages of infection, the pathogenic load usually is low, whereby a person can also look healthy during this period.
is there difference between aqueous channel and aquaporin?
Answer:
Pathways by which water can cross a membrane lipid bilayer. Water can diffuse slowly across the bilayer between the lipid molecules (shown in blue). ... In contrast, water traverses the membrane much more rapidly through aqueous channels (aquaporins - shown in brown), and this process is much less temperature-sensitive.
Explanation:
hope this help you
Using the codon chart above, give one start codon and one stop codon. *
Answer:
start codon AUG
stop codon UGA
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:
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.
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Which behavior is an instinct?
A. An elk gets used to hikers and stops running away.
B. A pet dog sits and waits for a treat after its daily walk.
C. A pigeon visits a local park to look for dropped crumbs.
D. A robin builds a nest using mud, grass, and small twigs.
Answer:
D
Explanation:
A robin building a nest is not learned or taught like the others. It is just instinctive for robins to build nests.
Answer:
D
Explanation:
The rest are learned habits
What happens when plants transpire too much water
A. They grow
B. They wilt and die
C. Their leaves become greener
D. They bear fruits
F. They become healthy
Answer:
B. They wilt and die
Explanation:
During transpiration, the sun evaporates water from the plant. If too much water is lost, the plant will wilt and die.