Which characteristic of living things does a virus lack?
A. the ability to evolve
B. the use of a genetic code
C. the need for materials and energy
D. the ability to reproduce once in a host cell
Answer:
virus grow and reproduce only in the host cell. they evolve according to the environment condition accordingly time passes. they also use genetic code the answer is the need for material and energy
The characteristic of living things that is lacking in a virus can be the need for materials and energy. So the correct option is C.
What are viruses?
A virus is a contagious microorganism made up of a protein-coated piece of nucleic acid, usually DNA or RNA. A virus can't multiply by itself; it has to infect cells in order to utilize the host cell's components to generate copies of itself. A virus frequently causes harm to the host species by destroying the host organism in the process. AIDS, COVID-19, measles, and smallpox are well-known examples of viruses that cause human illness.
Viruses may infect people. But in reality, viruses infect a wide variety of creatures. For example, there are viruses that infect fungi and viruses that infect bacteria. By researching viruses that infect so many different species, we may learn a lot about just how viruses keep themselves alive.
That actually advances our understanding of human illness. However, the viruses that affect people make up a very small portion of all viruses. The viruses that infect bacteria and are frequently referred to as phages would have the greatest abundance. They have many of the same characteristics in common, yet they are far more numerous. The mechanisms by which viruses infect people will be thoroughly investigated in the future, as will any potential methods of preventing viral replication in human cells.
Therefore, the correct option is C.
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If an object sinks in a fluid, the buoyant force is ____ the weight of the object.
a.
greater than
c.
the same as
b.
less than
d.
doesn't apply
Please select the best answer from the choices provided
A
B
C
D
Explain how and why natural selection has allowed species such as sharks and alligators to remain genetically stable for thousands of years.
Answer:
Stabilizing natural selection keeps gene frequencies constant in a population. The normal, most common traits are selected for and preserved so only a limited amount of evolution occurs and species can remain unchanged even over long periods of time.
Explanation:
A biological process called reproduction occurs when an organism creates young (offspring) of the same species.
What influence natural selection for survival of species?Gene frequencies in a population are maintained constant through stabilizing natural selection.
Because only a small amount of evolution takes place and the most typical, most prevalent features are preserved, species can persist unmodified even across very lengthy epochs.
It is among the most crucial traits shared by all living things. While not necessary for an individual's existence, reproduction is necessary for the survival of a whole species.
Therefore, natural selection has allowed species such as sharks and alligators to remain genetically stable for thousands of years.
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At one time, Chondrichthyes were thought to have diverged from other vertebrates before the evolution of bone. Now we have concluded that the Chondrichthyes diverged after the evolution of bone had started. What does this change demonstrate about the evolution of fishes
Answer:
The correct answer would be - Characteristics can be lost in evolution.
Explanation:
The new evidence helps in developing a new hypothesis. In this case, new evidence proved that the Chondrichthyes diverged after the evolution of bone had started instead of before the evolution started. This process called atavism where an ancestral genetic trait reappears after having lost. This leads to loss of the traits in the evolution
This can take place by knocking the mutation out to overriding the gene by the old gene or overriding the new trait by the old trait during the evolution period.
At one time, Chondrichthyes were thought to have diverged from other vertebrates before the evolution of bone. Now we have concluded that the Chondrichthyes diverged after the evolution of bone had started might be their characteristics lost in evolution according to atavism.
What is atavism?
Recurrence in an organism of a trait or character typical of an ancestral form and usually due to genetic recombination. This leads to the loss of the traits in the evolution.
Hence, Chondrichthyes diverged after the evolution of bone had started might be their characteristics lost in evolution according to atavism.
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correct answers only please
Which of the following describes an air mass with the symbol mT?
A. cold and wet because it forms over a cold ocean
B. cold and dry because it forms over an area of cold land
C. warm and wet because it forms over a warm ocean
D. warm and dry because it forms over an area of warm land
A woman consumes 500 grams of carbohydrate, 30 grams of protein, and 75 grams of fat in one day. How many total kilocalories has she taken in?
Paleoclimatic analysis has generated a claim that there is a possible correlation between an extinction event around 29 million years ago that allowed grasslands to become abundant and the adaptive radiation of several groups of butterflies.
Which of the following proposes the best alternative hypothesis for the claim?
A- Climate analysis conducted by sampling pollen preserved in amber shows an increase in grass pollen 29 million years ago, but there is no significant difference between speciation rate, as well as species richness with regard to butterflies, before and after 29 million years ago.
B- Climate analysis conducted by sampling pollen preserved in amber shows an increase in grass pollen 29 million years ago, which indicates there was an increase in grasslands that correlates to an increase in butterfly speciation during the same time period.
C- There is a correlation between the rapid and wide-ranging decrease in species richness of insects in general 29 million years ago and the increase in species richness and diversity among the butterfly population during the same time period.
D- Evidence of rapid speciation among butterfly species 29 million years ago is evenly distributed among all environments of that period.
NEED HELP ASAP, WILL GIVE BRAINLY
#4-6-Base your answers to questions #4-6 on the information below and on your knowledge of biology. Five individuals had their pulses taken in beats per minute (bpm) before and after exercise. The data are shown in the chart below. 4. State one reason why an individual's pulse rate increased during exercise 5. Calculate the average pulse rate before exercise for this group, to the nearest tenth___________bpm . 6. State why the individuals in this group have different pulse rates before exercise *
Answer:
4. (answered below); 5. 66.2; 6. (answered below)
Explanation:
4. The individual's heart rate increased because the individual needs more oxygen supplied to their muscles so the heart has to pump the oxygenated blood through the body at a faster rate.
5. Take average of the number of the pulse before exercise:
(68 + 70 + 54 + 64 + 75) / 5 = 66.2
6. Different individuals are different sizes and are in different states of health. An individual who is more physically fit will have a slower rate rate because their heart muscle is "exercised" or worked more and pumps blood more efficiently.
Over a long period, how might living things adapt to increased carbon dioxide levels and global warming?
How is G0 represented?
What is a swell wave?
Answer:
Swell are waves (usually with smooth tops) that have moved beyond the area where they were generated. The distance between the crests, or tops, of the waves that make up swell is usually much greater than the distance between waves being actively generated by wind blowing over the water.
Explanation:
What happens to the solids in wastewater at a wastewater treatment plant?
A. They are typically buried in a sanitary landfill.
B. They are chemically aerated and released into the air.
ocean.
C. They are released into a river, lake, une
O D. They are treated and returned to people's homes.
Answer:
(A)
A. They are typically buried in a sanitary landfill.
which processes lead to the formation of igneous rock?
A. Heat and pressure
B. Melting and cooling
C. Erosion and weathering
D. Compacting and cementing
Describe the difference between vitreous humor and aqueous humor.
Answer:
Vitreous humor does not replenish while aqueous humor does.
Explanation:
In the DNA double helix, archaic pairs with thymine and cytosine pairs with
guanine.
True or false?
Answer:
False
Explanation:
'Adenine' pairs with thymine and cytosine pairs with guanine in a DNA double helix.
It is false that in the DNA double helix, archaic pairs with thymine and cytosine pairs with guanine.
What is DNA double helix?In molecular biology, the structure created by double-stranded molecules of nucleic acids like DNA is referred to as a "double helix."
A nucleic acid complex's double helical structure develops as a result of its secondary structure and plays a crucial role in establishing its tertiary structure.
One of the four bases—adenine (A), cytosine (C), guanine (G), or thymine—is joined to each sugar (T).
Adenine forms chemical bonds with thymine while cytosine forms chemical bonds with guanine to join the two strands together.
A broad head, prominent supraorbital ridges (brow ridges), and the absence of a prominent chin are characteristics of archaics that set them apart from anatomically modern humans.
Thus, the given statement is false.
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Why is it important for nitrogen to be more abundant in our atmosphere than oxygen?
A. Oxygen is only breathable if diluted with nitrogen.
B. Nitrogen and oxygen combine to produce weather that is essential for life.
C. Oxygen must be diluted because it is a highly combustible gas.
D. Nitrogen is a heavy molecule that pulls oxygen, a light molecule, to the surface for oxygen-dependent life to use.
(also report this idiot called americanlove if spot him, for the last 2 hours he has been going to almost every post just to steal points for no reason)
Answer:
Choice C
Oxygen must be diluted because it is a highly combustible gas.
Oxygen must be diluted because it is a highly combustible gas is important for nitrogen to be more abundant in our atmosphere than oxygen.
Why nitrogen is important?Nitrogen is extremely important to living material. Plants, animals and humans could not live without it.
The major source of nitrogen is the atmosphere. It exists as a colorless, odorless, nontoxic gas and makes up about 78 percent of the atmosphere. Nitrogen is also found in the Earth's crust as part of organic matter and humus.
Our atmosphere's nitrogen gas is a molecule made up of two nitrogen atoms. This kind of nitrogen can't be utilized by plants directly. Before it can be utilized by plants, nitrogen needs to be transformed into other forms.
Therefore, Oxygen must be diluted because it is a highly combustible gas is important for nitrogen to be more abundant in our atmosphere than oxygen.
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Challenge question! Imagine the following situation. You receive a viral vector coronavirus vaccine that uses a specific adenovirus and your immune system mounts a strong immune response. At the same time, your friend receives an RNA coronavirus vaccine and also has a strong immune response. One year later a new coronavirus variant emerges and neither of the original vaccines protect people from this new variant.
A new viral vector vaccine is developed to the variant using the same adenovirus as before. In clinical trials, it is found that the new vaccine protects people that originally received the RNA coronavirus vaccine that your friend had but does not protect people that originally received the viral vector coronavirus vaccine that you had.
Question: Can you think of an explanation for why the new vaccine didn’t protect you, but did protect your friend?
Answer:
she took more care of her self and her immune system its more advance rather than the other person!
Explanation:
Due to being more careful meaningly taking care of not catching it, but also just cause you had it doesnt mean you're going to be carless "free" because you got the vaccine.
your friend could've been protected even though she had the vaccine she was not carless unlike the other person she thought about her actions.
The University of Illinois has been conducting one of the longest selection experiments, begun in 1896 by C.G. Hopkins. Researchers have been selecting for high corn oil content (as measured in % dry mass). Researchers select those plants with the highest corn oil content, and use only those individuals to seed the next generation. Here is a portion of actual data from their experiment:
1899 mean oil content in entire population: 5.65% dry mass
mean oil content of selected plants: 6.30% dry mass
1900 mean of oil content in entire population: 6.10% dry mass
Calculate the heritability of corn oil content (% dry mass). For full credit, show your work, including any equations used.
Answer:
0.725
Explanation:
This type of question is a concept of Narrow-sense Heritability and Artificial selection used by plant breeds.
So, heritability = R/S
where;
R = response to selection
S = selection differential
S further implies the difference in mean oil content between base population & selected population.
S = 5.65 - 6.30 = 0.65% ( where the negative sign are not regarded)
R implies the difference in mean oil content between the offspring or population after implementation of selection and the base population.
R = 6.10 - 5.65 = 0.45%
∴
Heritability = R/S = 0.45% / 0.6%
= 0.725
Thus; the heritability in the oil content of corn in the given set of population = 0.725.
Details are underlated or irrelevant details to the topic at hand
The radial tuberosity is the site of the attachment for the deltold muscle. True or false?
Answer:(Radius is bone on right. Radial tuberosity is visible at upper left of radius.) Details. Identifiers. Latin, Tuberositas radii. TA98 · A02.4.05.007 · TA2 · 1216 · FMA · 23489 · Anatomical terms of bone. [edit on Wikidata]. Beneath the neck of the radius, on the medial side, is an eminence, the radial tuberosity; ... Ligaments that support the elbow joint also attach to the radial ...
True
Explanation:
How is G0 represented?
Answer: The G0 phase is a period in the cell cycle in which cells exist in a quiescent state. G0 phase is viewed as either an extended G1 phase, where the cell is neither dividing nor preparing to divide, or a distinct quiescent stage that occurs outside of the cell cycle.
Explanation:
5. Most Sex-linked disorders like hemophilia and colorblindness are located on *
Answer:
Either the X or Y chromosome (the sex chromosomes)
Explanation:
Color blindness, hemophilia and muscular dystrophy are three x-linked phenotypes.
What is a basic function of a cell
Answer:
The answer is below
Explanation:
They provide structure and support, facilitate growth through mitosis, allow passive and active transport, produce energy, create metabolic reactions and aid in reproduction.
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Which type of note taking is shown in the example above?
A.
summary
B.
paraphrase
C.
quotation
D.
fact
Answer:
quotation
Explanation:
Which was not developed in the 1800s?
natural selection
germ theory
scientific method
cell theory
Answer:
germ theory
Explanation:
it was founded in the 19th century and founded by a man named Louis pasteur and robert koch who provided the final clue
You are breeding alligators to be reintroduced in the wild. One of the female alligators is albino. Would it be possible to get normal colored alligators from this female? Identify the genotypes of each individual and show your work in
the Punnett squares below.
Answer:
It is possible for normal coloured alligators to be produced. If the albino trait is recessive and normal is dominant, the male would need 1-2 dominant alleles to produce a normal coloured alligator. It is also possible for a normal coloured alligator to be produced if albino is dominant and normal is recessive. In this circumstance, the female must be h e t e r ozygous, but the male can be either h o m ozygous or h e t e r o zygous to produce normal coloured offspring.
First punnet square genotypes:
Female - albino
Male - albino/normal (can be either one)
Second punnet square genotypes:
Female - Normal
Male - albino/normal (can be either one)
which of the following describes photosynthesis?
the plant take in oxygen, water, and nutrients to make food for humans
the plant gets rid of carbon dioxide as a waste product
the plant takes in carbon dioxide, water, and sunlight to make food for itself
the plant reproduces in the chloroplast
Answer:
Explanation:
the plant takes in carbon dioxide, water, and sunlight to make food for itself.
Which of the following is a difference between phase I and phase II of meiosis?
Phase I results in daughter cells with 23 chromosomes each and phase II with 46 chromosomes each.
Phase I results in two diploid daughter cells and phase II results in four haploid daughter cells.
Anaphase, metaphase, and telophase only occurs during phase I of meiosis.
Genetic variations can only occur during phase II of meiosis.
1.why is it important for gametes to be haploid?
They fuse to form a diploid organism so there is a correct number of chromosomes
2. The inheritance pattern of one gene will not affect the inheritance pattern of another gene. This is known as
independent assortment
3. which of the following is a difference between phase I and phase II of meiosis?
Phase I results in two diploid daughter cells ans phase II results in four diploid daughter cells
4. what is heredity?
The passing of genetic information from parents to their offspring
5. during meiosis sister chromatids may exchange sections of DNA leading to genetic diversity what is this process called?
crossing-over
TOOK TEST
The difference between phase I and phase II of meiosis is: Phase I results in two diploid daughter cells and phase II results in four haploid daughter cells.
MEIOSIS:
Meiosis is a kind of division that results in the formation of four haploid daughter cells that are genetically different from one another. Meiosis occurs in a two step division process namely: meiosis I and meiosis II. Meiosis I involves division of homologous chromosomes and produces two daughter cells that are diploid (2n) while meiosis II involves the division of the sister chromatids and produces haploid (n) chromosomes. Therefore, the difference between phase I and phase II of meiosis is: Phase I results in two diploid daughter cells and phase II results in four haploid daughter cells.Learn more at: https://brainly.com/question/12327654?referrer=searchResults
Match the term to its description.
Match Term Definition
Elliptical galaxy A) Has a central core from which curved arms spiral
outward
Irregular galaxy B) Has a large flattened core
Lens galaxy C) Forms a perfect sphere or an ellipse and is
flattened to some degree
Spiral galaxy D) Does not have a distinct regular shape
Answer:
Hello!
Explanation:
☁️Match the term to its description.⠀⠀⠀⠀⠀Match Term Definition
--------------------------------------------------------------------------------------------------------------------------
Elliptical galaxy A) Has a central core from which curved arms spiral outwardIrregular galaxy B) Has a large flattened coreLens galaxy C) Forms a perfect sphere or an ellipse and is flattened to some degreeSpiral galaxy D) Does not have a distinct regular shape--------------------------------------------------------------------------------------------------------------------------
correction
⭐Elliptical galaxy A) It forms a perfect sphere or an ellipse and is
flattened to a certain extent
⭐Irregular galaxy B) Does not have a distinctive regular shape
⭐Galaxy lens C) Has a large flattened core
⭐Spiral galaxy D) It has a central nucleus from which curved-armed spirals
Exterior
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regards
atte:
Ángela
❤️
Answer:
yup
Explanation:
he's wrong
I did it and I got the question wrong.
all of it
We often use everyday definitions of the word "energy," but which statement
best describes what energy is in science?
A. the ability to carry things a long distance
B. the result of eating a lot of carbohydrates
C. the amount of time something can keep moving without rest
D. the ability to do work or cause change
Answer: D. the ability to do work of cause change
Explanation:
The statement 'the ability to do work or cause change' BEST describes what energy is in science (Option D).
The energy is always transferred from one object/organism to another when specific work is done.The types of energy can be divided into two major forms: kinetic energy (energy in motion) and potential energy (stationary energy).Energy comes from different sources such as, among others, thermal energy, nuclear energy, wind energy, solar energy, etc.In conclusion, the statement 'the ability to do work or cause change' BEST describes what energy is in science (Option D).
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