Answer:
The virus uses the cell's genetic material to replicate its viral genome
Explanation:
During attachment and penetration, the virus attaches itself to a host cell and injects its genetic material within hence further during the uncoating and replication, and assembly, the viral DNA or RNA incorporates itself into the host cell's genetic material and induces it to replicate the viral genome.
What effects do you think this change in the speed of the ocean currents cold have on living things in the ocean
Please help
Answer:
position of moon and sun
what type of mutation has the least amount of impact on a protein ?
Answer: Silent Mutation
Explanation: Silent mutation: Some mutations that change DNA bases do not have any effect on the sequence of amino acids in the protein. These mutations are called silent mutations and they do not affect the structure or function of the protein because there is no effect on the amino acid sequence.
Answer:
Point Mutations
Explanation:
It is the least harmful mutation
HELP PLEASE ASAP
Ionic compounds are compounds that___?a) consist of only metallic element. B) have atoms that transfer electrons. C) exists as individual ions. D) all of the about
Answer:
D
Explanation:
I don't wanna write a full explanation sorry.
Which layers plays the greatest role in the movement of plate tectonics?
A) outer core
B) mantle
C) crust
D) inner core
How many males are shown in this pedigree?
Answer: Your answer is six (6)
Explanation:
3. How does your body ensure that the new cells are the same?
Answer:
When cells split and increase they do this very important thing in order tonmake the new cells exactly the same as the previous before them. Each cell makes more of all it's genes. Then each one.splits into two with one group of genes in each one of the new cells. During the process they make sure that all are copied correctly.
List the layers of Earth’s atmosphere in order of increasing altitude.
A.
troposphere, stratosphere, mesosphere, thermosphere, exosphere
B.
exosphere, thermosphere, mesosphere, stratosphere, troposphere
C.
troposphere, stratosphere, mesosphere, exosphere, thermosphere
D.
stratosphere, mesosphere, thermosphere, exosphere, troposphere
Answer:
A
Explanation:
These are the correct layers in order of increasing altitude.
Answer:
Ionosphere
Explanation:
The temperature in the ionosphere increases as altitude increases. In the ionosphere, a layer known as the thermosphere starts. The name thermosphere comes from the temperature increasing as altitude increases.
The following statement from the video suggests the use of which standard of science to assess RELIABILITY?
"Simulation experiments can not tell us exactly how life formed in the past, but if enough of them are done it could eventually tell us if it's possible for life to emerge from chemistry"
options:
Empirical & Measurable Evidence
Sufficient Sample Size
Replication of Results
Concept of Falsification
Answer:
number three,3,option3
Explanation:
If you are a male, and have a sex- linked trait, which parent gave the trait to you? Mom or dad
Answer:most likely your mom
Explanation:
most sexlinked trait are on the x chromosome because it is bigger than the y. and because males only have one x chromosome, which is from the mom, that will determine the trait.
There is a practical joker in the maternity ward who removed all the baby ID bracelets. There are two babies that cannot be easily distinguished, and the parents want to be sure they get the right ones back, so the doctors do a blood test.
Parents 1: mom is heterozygous type A and the dad is type O. Parents 2: mom is heterozygous type A and dad has AB. The baby 1 has blood type AB and baby 2 has blood type O.
Determine what baby goes with which parents. Explain how you know. Provide evidence and reasoning by explaining multiple alleles inheritance and your Punnett squares results.
Answer:
Baby 1 goes to parent 2 and baby 2 goes to parent 1. My results for the first Punnett square for parent 1 was 100% AO. My results for the second Punnett square is 50% AO, 50% OO. My results for the first punnett squares for parent 2 is 50% AA, 50% AB, and the results for the second punnett square is 25% AA, 25% AO, 25% AB, 25% BO.
Explanation:
Baby 1 belongs to parents 2, whereas baby 2 belongs to parents 1.
In this case, it is important to have into account that the ABO blood type is inherited in an autosomal codominant fashion.
The A and alleles B are codominant and therefore both alleles are expressed, thereby if an individual inherits allele A from one parent and allele B from another parent, he/she has blood type AB. It is the case for baby 1 (genotype AB).
Conversely, the A and B alleles are dominant on the allele O, which is recessive. It is the case for baby 2 (genotype OO).
The genotypes of the parents are:
Parents 1:
Mom is heterozygous type A (genotype AO) and the dad is type O (genotype OO).Parents 2:
Mom is heterozygous type A (genotype AO) and dad has AB (genotype AB).Parents 2 can produce these gametes:
Mom: 1/2 A; 1/2 ODad: 1/1 OSo their offspring can be:
A O
O AO OO
F1: 1/2 AO; 1/2 OO
In consequence, baby 2 (genotype OO) belongs to parents 1
Parents 2 can produce these gametes:
Mom: 1/2 A; 1/2 ODad: 1/2 A; 1/2 BSo their offspring can be:
A O
A AA AO
B AB BO
F1: 1/4 AA; 1/4 AO; 1/4 AB; 1/4 BO
In consequence, baby 1 (genotype AB) belongs to parents 2
In conclusion, baby 1 belongs to parents 2, whereas baby 2 belongs to parents 1.
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It needs water vapor
in order to form
Which of these is evidence of sea floor spreading?
A Mt. Fuji Japan
B Great Rift Valley in Africa
C Mid Atlantic Ridge
D Mt. Everest Nepal
What do you think the term gene expression means? How do you think the term relates to the total number of genes a human inherits from his or her parents?
Answer: Gene expression is how genes are expressed in an organism. This relates to the total number of genes from each parent because the number of genes from each parent determines how your genes are expressed physically.
Explanation:
Please help! original answers only please!
How would your chromosomes compare to someone else’s chromosomes?
Answer: since im a male i have an x and y chromosomes and females have x and x if you are female you can reverse this to go your way
Explanation:
what are the four molecules that carry energy through photosynthesis
Answer:
Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
ATP
ADP
CO2
SUGAR
What is Photosynthesis ?
Plants and other living things employ a process called photosynthesis to transform light energy into chemical energy that can then be released through cellular respiration to power the organism's activities. Despite the fact that various species undertake photosynthesis in different ways, the process always starts when proteins called reaction centres that contain green chlorophyll absorb energy from light. Unlike bacteria, which have these proteins incorporated in the plasma membrane, plants store these proteins in organelles called chloroplasts, which are most prevalent in leaf cells.
When the cell needs energy, ATP can be taken out and used to fuel processes or stored for use in later ones. Animals use ATP to retain the energy released during meal digestion. Similar to this, plants use ATP molecules to store the energy they obtain from light during photosynthesis.
In addition to converting ADP to ATP, photosynthetic processes are used by plants to absorb, process, and store solar energy. Animals convert ADP to ATP, which can subsequently be utilised to drive essential development and cell maintenance, using the energy supplied from the breakdown of glucose and other molecules.
Plants absorb water (H2O) and carbon dioxide (CO2) from the soil and atmosphere during photosynthesis. Water is oxidised, which means it loses electrons, while carbon dioxide is reduced, which means it receives electrons, inside the plant cell. Water is converted into oxygen and carbon dioxide into glucose as a result.
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1) Mitosis is used in the process of growth. Give two other processes that use mitosis. (2 marks)
2) Describe how the chromosomes of a human cell produced by meiosis differ from the chromosomes of a human cell produced by mitosis. (2 marks)
Answer:
1)I)replacing dead cells
ii)cell division in the liver
2) in meiosis, there are 23 chromosomes
in mitosis, there are 46
how do the water molecules behave differently in each situation. for science
Which two kingdoms are composed of decomposers?
O Protists and plants
O Bacteria and fungi
O Plants and animals
O Archaea and protists
Learning Task 6: Complete the chart. Copy this in
your answer sheet.
Answer:
Canopy
Sub-canopy
Understory
Floor of the forest
Explanation:
Canopy refers to the aboveground portion of a plant or crop such as stem, leaves, branches and flowers etc.
Sub-canopy refers to those plants which are present below the trees due to their lower size such as small trees and large shrubs etc.
Understory is the vegetation that is present on underlying layer in a forest such as herbs etc.
Floor of the forest is mainly consists of shed vegetative parts of shrubs and trees, such as leaves, branches, bark, and stems etc. These parts exists in various stages of decomposition present above the soil.
How does an enzyme influence a biological reaction?
It decreases the kinetic energy of reactants, enabling them to undergo chemical change more
easily.
It decreases the activation energy necessary to initiate the chemical change.
It weakens the bonds of reactants, making them easier to break.
It increases the kinetic energy of reactants, thereby increasing their tendency to collide.
It increases the net energy difference between reactants and products.
Answer: B. It decreases activation energy.
Explanation: A regular reaction has high activation energy required for the reaction to occur. Enzymes act as catalysts that decrease activation energy and speed up the reaction.
What modification can be made to a bright field microscope to convert it into a dark field microscope
Answer:
The bright field microscope can be easily converted for use with dark field illumination using special dark field condensers (dry or oil immersion).
Explanation:
In a bright field microscope, the material appears unstained. The light passes directly and the details that are colored in a natural way are appreciated. In dark field microscopy, the contrast is created by a bright specimen on a dark background. Instead of illuminating the sample with a full cone of light (as in brightfield microscopy), a special condenser is intended to produce a disguise of the light rays by sending them laterally on the object in the form of a luminous cone, and this shape also does not penetrate the target directly. This form of illumination allows only oblique rays of light to hit the sample on the microscope stage and the image is formed with the light rays scattered by the sample and captured by the objective.
Many people who own pet fish put a pondweed called Elodea canadensis in their
fish tanks. This species of pondweed produces an extremely high amount of oxygen.
If many fish were placed in a tank without this species of pondweed or a filter, what
would likely happen?
Answer:
In the scenario given above, Elodea Canadensis which produces extremely high amount of oxygen is used in raising fishes placed in a tank. This oxygen is needed for easier living in the tank. In a situation whereby the Elondea Canadensis is not present in the tank, the fish would struggle to leave comfortably in the tank. with time, the water will become clouded with carbon-dioxide. This would lead to the fish dying due to lack of oxygen.
Explanation:
If you were a frog what is your 3 stage of life?
Answer:
a froglet sadly ;-;
Explanation:
➤ Stage 1. Egg –
➤ Stage 2. Tadpole –
➤ Stage 3. Froglet –
➤ Stage 4. Adult Frog there hope this helps
Answer:
1. Egg.
2. Tadpole.
3. Phrog.
All of the following are elements except
a.
water
b.
oxygen
c.
nitrogen
d.
hydrogen
Answer:
a. water
Explanation:
hello! all of the following are elements except a. water, because an element is a substance consisting of only one type of atom. water consists of two types of atoms: hydrogen and oxygen.
All of the following are elements except water which is a compound.
What is an element?An element is defined as a substance which cannot be broken down further into any other substance. Each element is made up of its own type of atom. Due to this reason all elements are different from one another.
Elements can be classified as metals and non-metals. Metals are shiny and conduct electricity and are all in solid state at room temperature except mercury. Non-metals do not conduct electricity and are mostly gases at room temperature except carbon and sulfur.
The number of protons which are present in the nucleus are the defining property of an element and are related to the atomic number.All atoms with same atomic number are atoms of same element.Different elements combine to form substances which are called as compounds.
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2. What is true about the temperature in a tropical rainforest?
A. Average temperature are between 75 and 80 degrees Fahrenheit (F)
B. Temperatures change drastically throughout the year
C. It is typically cold and frosty
D. Average temperatures can be anywhere between 0 and 100 degrees F
Explanation:
its typically cold and frosty
A parent with freckles is crossed with a parent without freckles. The Punnett square shows the possible genotypes and phenotypes of the offspring. Which statement accurately describes the probability of phenotypes?
The offspring are more likely to have freckles.
The offspring are more likely to have no freckles.
The likelihood of the offspring having freckles and not having freckles is the same.
The likelihood of the offspring having freckles and not having freckles cannot be determined.
Answer:
The likelihood of the offspring having freckles and not having freckles is the same.
Explanation:because
Answer: The person is correcrt also!!!
Explanation:
Which word describes the slope of the line?
Opositive
O negative
O zero
O undefined
Explanation:
slope(m)=tana,where a is angle made by particular line in x- increasing sense.for a=90, m becomes infinitely large which can be termed as undefined.
PLEASE HELP ME ITS FOR SCIENCE DUE TODAY!! (Punnett Squares!)
Answer:
B
Explanation:
Both traits on the left are dominant meaning the offspring would take on that trait no matter what.
1. Give 2 similarities between each of the skulls that might lead to the conclusion that these are all related.
2. What is the biggest change in skull anatomy that occurred from the dawn horse to the modern horse
Complete question:
You will find the image of the skulls in the attached files.
Answer:
1) 2 similarities between each of the skulls might be the presence of the nasal spine, and the interdental space.
2) The size of the skull seems to be the most noticeable change in skull anatomy between the dawn horse and the modern horse.
Explanation:
Each of the nasal bones in horses ends in a protuberance named "the nasal spine". These spines converge in the distal portion of the bone. These spines and the incisive bone delimitates the space called the naso-incisor notch. In the attached figure you will see the nasal bone in red and the nasal spines. This structure is present in all the skulls in the same position. The interdental space is the space left between the front teeth and the back teeth. It is useful to recognize a male from a female in modern horses. This space can be found in all the skulls. You will see it in blue in the image.The biggest change in skulls between the dawn horse and the modern horse is the size. The skull keeps the original shape or very similar shape but varies in length and height.
The two (2) similarities between each of the skulls that shows that they are all related include:
They all have a similar ridge that typically protrudes from the top.Each of the skulls have a set of flattened teeth.What is an evolution?Evolution can be defined as a process of gradual change in the characteristics and genetic make-up of the species of a living organism over several generations.
In Genetics, a scientific technique which is commonly used to determine evolutionary relationships between organisms is the study of their fossils and biochemical similarity.
The similarities between each of the skulls.Thus, the similarities between each of the skulls that shows that they are all related include:
They all have a similar ridge that typically protrudes from the top.Each of the skulls have a set of flattened teeth.All the skulls have the same overall shape.Additionally, the biggest change in skull anatomy with respect to the dawn horse and modern horse is that the modern horse has a larger skull.
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What does DNA replication mean and why is it important?
Explanation:
DNA replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell.
