What controls the timing of gene expression?
a. the regulatory sequence for a gene
b. the nucleotides that dictate the sequence of amino acids in the protein
c. the coding sequence for a gene
d. the alleles for a gene
e. the transgenic portion of a gene?

Answers

Answer 1
The regulatory sequence for a gene controls the timing of gene expression.

Related Questions

What kind of interaction do you think the prairie dogs have with the rattlesnakes?

Answers

Rattlesnakes would eat a prairie dog if they could catch it. However, if a rattlesnake approached a prairie dog colony, the prairie dog's "sentinels" would alert the rest of them, and they would hide in their holes. A rattlesnake could fit into the holes, but I don't think that snakes usually actively seek prey (they act more like a trap, waiting for prey to come to them).

Answer: prey predator

The interaction the prairie dogs have with rattlesnake is prey predator interaction.

In a Food chain the prairie dog is primary consumer that feeds on the producers or plants and rattle snakes are secondary consumers that feed on prairie dogs. Hence the prairie dog is prey and rattlesnake is predator which preys on prairie dog.


A
describes something in nature and predicts how it will behave without explaining why.

Answers

Scientific law.

A scientific law describes something in nature and predicts how it will behave without explaining.

This is because before a scientific law has been made, numerous observation has been done under different situations. The scientific law is established when a natural event invariable occur given a set of circumstances. 

Answer:

Law

Explanation:

That is the answer just law or you will get it wrong

Each of 500 soldiers in an army company independently has a certain disease with probability 1/103. this disease will show up in a blood test, and to facilitate matters, blood samples from all 500 soldiers are pooled and tested. (a) what is the (approximate) probability that the blood test will be positive (that is, at least one person has the disease)

Answers

The chance of the individual has the disease is 1/103, which means there is 102/103 chance to be healthy. 
The chance of "at least one person has the disease" is the opposite of the chance of  "everyone healthy".

The chance that all 500 soldiers healthy would be: (102/ 103)^500= 0.00761155742

The chance of at least one person has the disease would be: 1- (102^500/ 103^500)= 0.99238844257 = 99.24%

What is the function of the aronium?
a.to produce eggs
b.to carry out asexual reproduction
c.to produce sperm
d.to absorb minerals and water
e.to anchor the roots?

Answers

The formation of the acriomioclavicular joint is the main function of the acromion. A joint known as the gliding joint (one of the types of synovial joints) is formed at the point where the inside or medial border meets the lateral (flattened) end of the clavicle.

What is the main result of photosynthesis

Answers

Hey!   Photosynthesis is a process whereby plants, some bacteria and a few types of algae convert energy from sunlight into chemical energy and store it as sugar. The internal fuel that plants use for survival is created by photosynthesis. Plants require carbon dioxide, water and light energy to synthesize sugar.

Answer: glucose

Explanation:

uaggas once lived in South Africa. They are now extinct. People hunted them for their hides and meat. Quaggas fed on grass, which people also used to feed their sheep and goats.

Based on these facts, what is the LEAST LIKELY reason the quaggas became extinct?

Answers

Answer:

Temperature change

Explanation:

which dog food is potentially toxic if it were eaten exclusively for weeks at a time

Answers

any if a human is eating it because some dog food contains raw meat and raw eggs which leads to symunilla

. Which is a drawback to using incineration to dispose of toxic materials?
A.Some toxins will not burn.
B.The smoke that results is toxic.
C.The ashes that result are toxic.
D.Fire is a thermal pollutant.

Answers

The answer is B: 'the smoke that results is toxic'. An example is the burning of domestic garbage, which remains a common practise, particularly in developing countries. This practice can release greenhouse gases like carbon dioxide and also tiny particles and toxic chemicals that can harm human lungs.

Answer:

C.The ashes that result are toxic.

Explanation:

Why does it take a long time to develop a new variety of tomato

Answers

Changes in traits happen gradually, over many generations.

Hope this helps!

-Payshence xoxo


Nerve impulse describes:
a.an action potential crossing the synaptic cleft.
b.input at the dendrites of a cell.
c.the movement of an action potential along the axon.
d.an action potential along the combined axons, which are called nerves.

Answers

Final answer:

A nerve impulse is the movement of an action potential along the axon of a neuron, which occurs due to changes in electrical charge facilitated by sodium and potassium ions across the cell membrane.

Explanation:

A nerve impulse describes the movement of an action potential along the cell membrane of a neuron. When a neuron receives a chemical stimulus, it triggers a change in the permeability of the neuron's cell membrane to sodium (Na+) and potassium (K+) ions. This change in permeability starts an action potential at one location. The action potential then travels down the neuron, passing along the cell membrane to the axon terminal. This process involves a rapid change in electrical potential across the membrane, where sodium ions flow into the cell, causing the inside to become positively charged relative to the outside. Subsequently, potassium ions flow out, and the charge is reversed again. The nerve impulse moves as a wave of electrical charge along the outside and inside of the membrane.

The correct answer is c. the movement of an action potential along the axon. Option a is incorrect as it denotes the crossing of the synaptic cleft, which occurs after the nerve impulse has traveled down the axon. Option b refers to the input at the dendrites, which is the receiving end of a nerve impulse and not the impulse itself. Lastly, option d describes an action potential along nerves, which are bundles of axons, and though it involves an action potential, it does not precisely define a single impulse along the axon membrane.

What do you think would be the most frustrating or difficult part of dna analyst?

Answers

The process would me the most complicated

Why is photosynthesis essential for plant homeostasis? To color leaves green To make food for the plant To remove carbon dioxide from leaves To make new types of cells

Answers

Homeostasis in plants includes the regulation of carbon dioxide and water levels necessary to perform photosynthesis. Homeostasis in plants also allows plants cells to store the proper amount of water in their cells to help keep them from wilting and dying during times of drought.

Answer: To make food for the plants

Explanation:

The homeostasis the process by which the plants maintain the various types of metabolic activities in their body. The plants maintain homeostasis by making food by the help of the process known as photosynthesis.

This process helps in producing glucose for the plant body which can be used to maintain the various cellular processes inside the plant body.

Hence, photosynthesis is essential for plant body to make food for the plant.

Animals and plants need to maintain homeostasis to function properly. True False

Answers

Animals and plants need to maintain homeostasis to function properly. is True
the answer is true if you think about it you have to keep the temp to the fridge right or something will go wrong with the food

hope I could help if so please mark brainliest

Fungi are different from plants because _____.

Answers

Fungi they are different from plants because it doesn't have photosynthesize and the plants do.

Hope it helped
Organisms that lack flowers, leaves, or chlorophyll and derive nourishment from dead or living organic matter

Under what kingdom would an organism with the following characteristics be classified? Is multicellular has cells without cell walls is hetrotrophic

Answers

Animalia.

Hope this helps!

-Payshence xoxo

What is a source of variation in asexual reproduction ?
A) crossing over of chromosomes
B) mutation of DNA
C) random assortment of chromosomes
D) there is no variation in asexual reproduction

Answers

When alleles are recombined during sexual reproduction, they can produce dramatically different phenotypes. Thus, sexual reproduction is a major source of variation within many population. Asexual production is when there is one parent that produces offspring that are identical to the parent. Basically a copy of the parents DNA.

Your answer in short is B

The source of variation in asexual reproduction is B) mutation of DNA.

Variation is crucial for the survival and evolution of species. In sexual reproduction, variation originates from several mechanisms, including meiosis, crossing over during prophase I, and random assortment of chromosomes during metaphase I. These processes create a diverse set of genetic combinations in offspring, contributing to the population's adaptability. On the other hand, asexual reproduction generally produces genetically identical offspring, known as clones. The primary source of variation in organisms reproducing asexually is mutations. Mutations are spontaneous changes in the DNA sequence and can be beneficial, neutral, or harmful. Though mutation rates are relatively low, over time, they serve as the fundamental source of genetic variation in asexually reproducing populations.

Chimpanzees belong to the animal kingdom, and mushrooms belong to the fungus kingdom. What do they have in common?
Both are heterotrophs.
Both are prokaryotes.
Both are autotrophs.
Both are unicellular.

Answers

Both are heterotrophs.

Heterotrophs are organisms that cannot produce their own food, relying on other sources. They can be chemoheterotroph which are heterotrophs that use chemical energy  as energy source or photohetrotroph which are those that uses light. They are secondary and tertiary consumers. Most types of living organisms, including all animals and fungi, are heterotrophic.


Answer:

Both are heterotrophs.

Explanation:

I took the test and got it right. Have a great day

The nurse is caring for a child with epiglottitis. what are three (3) expected findings during the assessment of this client? list three (3) nursing interventions the nurse will be expected to carry out.

Answers

These are the 3 findings during the assessment of a child with epiglottitis: 1) child is drooling 2) child is agitated 3) child is not coughing/no coughing observed.
Nursing interventions would be: 1) Clear airway - use tongue depressor to avoid blocking of the airway due to excessive saliva production 2) Do not leave the child alone especially when he/she is agitated or restless 3) Let the child sit in a comfortable position, preferably in an upright position.

The nurse is caring for a child with epiglottitis. The three major symptoms are drooling, fever, swallowing. Nursing interventions will be

Clear airway Make him/her Sit in a comfortable position Try not to leave the child alone

Further Explanation:

The epiglottis is a kind cartilage’s flap at the bottom of the tongue at the backside of the throat. While swallowing, epiglottis stops food from passing inside the windpipe or the trachea. When epiglottis becomes inflamed and swollen this is condition is referred as epiglottitis. This condition makes difficulty in-breath and spread very rapidly. The major reason behind the development of the epiglottitis condition in children is due to bacterial infection which can be easily spread by the upper respiratory tract. Main symptoms of epiglottitis are:

Muffled voice Fever Trouble swallowing Drooling Blue skin coloring

Nursing interventions would be:

Clear airway by using a tongue depressor to prevent blocking of the airway by the production large amount of saliva. Sit the child in a relaxed position; if possible sit in the upright position. During restless or agitated conditions don’t leave the child alone.

Learn more:

Learn more about the effects of alcohol on brain https://brainly.com/question/2034996 Learn more about alcohol is an antidepressant drug https://brainly.com/question/4541397 Learn more about the effect of alcohol on body weight https://brainly.com/question/826810

Answer Details:

Grade: High school

Subject: Biology

Chapter: Respiratory System

Keywords:

Condition, restless, blue skin coloring, drooling, fever, muffled voice, respiratory tract, child, condition, nurse, bacterial infection, breath, spread.

You are a biomedical researcher who is interested in designing a drug to increase bone density. You have decided you can take one of two approaches: (1) design a drug that stimulates bone to be built faster, or (2) design a drug that prevents bone from breaking down. To begin this process, you need to study the cells that would likely respond to either drug 1 or drug 2. Which cells are these?

Answers

A drug that stimulates bone to be built faster should work on the cell that creates bone. The cell that responsible for bone creation is fibroblast cells. 
A drug that prevents the bone from breaking down should work on the cell that degrades bone. The cell that degrades bone is called osteoclast. 
Osteoclast and fibroblast will work together to maintain the bone density. The process also called bone remodelling.

Answer:

Bone tissue consists of some metabolically active cells which are responsible for bone remodeling which include the formation of new bone cells and degradation of old bone cells.

The most important cells in bone remodeling are osteoclast and osteoblast cells. Osteoblast cells play important role in the formation of new bone cells by releasing an osteoid matrix that contains proteins and minerals.

Osteoclast cells have opposite role than osteoblast cell because they release the calcium and minerals from old cell in the blood and cause bone mineralization.

Therefore for the first approach, we need to study the osteoblast cell because it helps to build the bone and for the second approach we need to study the osteoclast cell that would likely respond to drug 2 as it is responsible for the breakdown of bones.

Which characteristics do scientists use to identify specific prokaryotes? A. movement B. shape C. method of obtaining energy D. color

Answers

if this is multiple choice you could try shape and movement

The correct answer is Option A , B, C. Scientists use characteristics like shape, method of obtaining energy, and movement to identify specific prokaryotes. Color is not a primary distinguishing feature. These criteria help classify prokaryotes accurately.

Scientists use several characteristics to identify specific prokaryotes:

Shape: Prokaryotic cells are distinguished by their shapes, such as cocci (spherical), bacilli (rod-shaped), and spirilla (spiral).Method of obtaining energy: Prokaryotes can be classified based on their energy sources, such as phototrophs (obtaining energy from sunlight) and chemotrophs (obtaining energy from chemical compounds).Movement: The ability and method of movement, such as using flagella, can also be a distinguishing characteristic.

Color is generally not a primary characteristic used for identifying prokaryotes because different species can exhibit similar colors due to external factors and staining methods.

Complete Question is:

Which characteristics do scientists use to identify specific prokaryotes?  

A. movement  

B. shape  

C. method of obtaining energy  

D. color

The organism shown in figure 21-2 is an example of

A. A flagellate

B. A ciliate

C. An amoeba

D. A spore-forming protist

Answers

Hello!

Your answer is A. A flagellate.

Flagellates are characterized as having flagella, which are whip-like projections (such as that in the diagram) which they use to propel themselves forward.

Ciliates are characterized as having cilia, which are hairlike structures that occur in larger numbers than flagella do on flagellates; they serve the same purpose as flagella - propulsion.

Amoebas have no definite shape and extend projections resembling fingers, unlike flagellates and ciliates.

I hope this helps you!

Answer:

Flagellate

Explanation:

What is a "missing link" in the fossil record? A.) a fossil that shows a vestigial structure B.) a transitional fossil that shows how two species are connected C.) a fossil that is physically impossible and cannot exist D.) a fossil that contradicts the theory of evolution

Answers

i think it is A hope this work
It's either A or D

Hope this helps

~ Jordan ~

what is the name of the process of liquid water changing into water vapor due to heating? A. respiration B. evaporation C. photosynthesis D. precipitation

Answers

B.) Evaporation
it says i have to ad more charcecters sooooo here ya gooooooo
Evaporation is the process of liquid water changing into water vapor due to heating.

What happens during radioactive decay, and what is the result at the end of radioactive decay

Answers

Radioactive decay occurs when an atom has either to many or to few neutrons and becomes unstable and start to emit radio active radioactive radiation and the atom start to decompose.

At the end two things can happen either the atom will transform in a new element with a lower atomic # and atomic mass # or the remaining neutron will transform into an electron and be on its own way

Answer:

Radioactive decay is the process in which the nucleus of an unstable isotope spontaneously changes, releasing particles and energy. An unstable isotope will continue to decay until it reaches the stable form of either a different isotope of the same element that is stable or a different element that is stable.

Explanation:

Its on Edge 2020

The classification of protist answer

Answers

The classification of eukaryotes is still in flux, and the six supergroups may be modified or replaced by a more appropriate hierarchy as genetic, morphological, and ecological data accumulate. Keep in mind that the classification scheme presented here is just one of several hypotheses, and the true evolutionary relationships are still to be determined. When learning about protists, it is helpful to focus less on the nomenclature and more on the commonalities and differences that define the groups themselves.

The bacteria species known as Escherichia coli is capable of using oxygen to produce energy in a process known as respiration. It can also produce energy if no oxygen is available by using a process called fermentation. This ability is a response to abiotic conditions allows

A: this bacteria to live to live anywhere on earth

B: the bacteria cells to attack host cells

C: the bacteria cells to maintain homeostasis

D: developed cells to eproduce and produce offspring

Answers

no the answer is not A  the answer it C. the bacterial cells to maintain homeostatic  

Answer:

Option C is the correct answer  the bacteria cells to maintain homeostasis

Why is the structure of dna called a double helix?
a.because each of the curved dna subunits appears twice whenever it appears
b.because dna is made of two strands of nucleotides wound together in a spiral.
c.because two copies of dna are inherited, one each from the mother and father
d.because the number of copies of dna doubles with each round of pcr submit for grading save and finish later?

Answers

The structure of DNA is called a double helix because DNA is made up of two strands of nucleotides wound together in a spiral. 

DNA has two strands that run opposite of each other and twist together much like a twisted ladder. Each backbone of the ladder is made up of alternating groups of sugar and phosphate groups.  

How many square feet of outdoor carpet will we need for this hole? Iready quiz pic

Answers


[tex]4 \times 12 = 48[/tex]
[tex]3 \times 2 = 6 \\ 2 \times 1 = 2 \\ 6 + 2 = 8[/tex]
[tex]48 - 8 = 40[/tex]
it needs 40 feet for the carpet.
hope this helps

The image below shows how wolves and dogs compare to some other animals in the levels of classification.



Based on the chart, how are insects and dogs related?

Answers

Final answer:

Cats and dogs are considered part of the same group at the Order level, which is Carnivora, with differences emerging at the Family level.

Explanation:

In the hierarchical taxonomic classification system, cats and dogs are considered to be part of the same group starting at the Order level, specifically the Order Carnivora. This group is characterized by organisms that have a diet primarily of meat, though not all members are strict carnivores.

Within the Order Carnivora, cats and dogs are further they are subdivided into the different Families, with cats are belonging to the Family Felidae and dogs to the Family Canidae, highlighting their differences at the more specific taxonomic levels.

Insects and dogs belong to the same kingdom (Animalia) but different phyla. Dogs belong to the phylum Chordata, while insects belong to the phylum Arthropoda.

Insects and dogs share a common ancestor, but they are quite distant relatives.

Kingdom: Both insects and dogs belong to the Kingdom Animalia, meaning they are both animals.

Phylum: This is where they diverge. Insects belong to the Phylum Arthropoda, which includes animals with exoskeletons and jointed legs. Dogs, on the other hand, belong to the Phylum Chordata, which includes animals with backbones.

So, while they both belong to the broad category of animals, they branched off into entirely different paths of evolution a long time ago. This is why they have such different physical characteristics and adaptations.

Our self-concept influences the way others react to us. true or false

Answers

The answer would be true

Answer:

True

Explanation:

Other Questions
Tom and Jerry have a big argument every morning over what they should do with their day. The sentence above is A. a simple sentence. B. an interrogative sentence. C. a complex sentence. D. a compound sentence. Which parts of these excerpts show that slaves had no legal rights and were often betrayed by their masters?The Narrative of the Life of Frederick Douglass, an American Slaveby Frederick Douglass (excerpt)A) all remained slaves, from the youngest to the oldest B )if any one thing in my experience, more than another, served to deepen my conviction of the infernal character of slavery, and of slaveholders, it was their based ingratitude to my poor old grandmother C) she had served my old master faithfully from youth to old age D) She was nevertheless a slavea slave for lifea slave in the hands of strangers; and in their hands she saw her children, her grandchildren, and her great-grandchildren, divided like so many sheep, without being gratified with the small privilege of a single word as to their or her own destiny.Incidents in the Life of a Slave Girlby Harriet Ann Jacobs (excerpt)E) He was a bright, handsome lad, nearly white; for he inherited the complexion my grandmother had derived from Anglo-Saxon ancestors.F) seven hundred and twenty dollars were paid for him.G) he had laid up three hundred dollars, which her mistress one day begged as a loan, promising to pay her soonH) no promise or writing given to a slave is legally binding I) according to Southern laws, a slave, being property, can hold no property. Please help!Through which process are freshwater resources renewed? A) Soil formation B) Gas exchange C) The water cycle D) Ocean waves Name one program mao started . Explain whether it was successful or not Predict which change would cause the heat of vaporization (segment 4) segment to be longer.a.add heat at a faster rate.b.the amount of the substance decreases.c.the boiling point temperature increases.d.the intermolecular forces of the substance get stronger. Billy Graham was an________________. 1 ex de facto 2 evangelist 3 anarchist 4 opportunist The midrange of a data set is the measure of center _____. Whats the role of a consumer in the free enterprise system? How did the crusades effect england Compare the decimals 1,825.10 and 1,825.1. Which is correct? A. 1,825.10 > 1,825.1 B. 1,825.10 < 1,825.1 C. 1,825.10 = 1,825.1 Why are horses and donkeys considered different species, even though they can produce offspring? A. The offspring is not fertile.B.The offspring does not live to reproductive age.C.The offspring reproduces at a different time of year.D.The offspring can reproduce. A rectangle has dimensions 10 cm by 6 cm. determine the measures of the angles at the point of where the diagonals intersect On Monday Mrs. Wise bought 3 lbs of apples at $4 per lb. On Tuesday, apples were on sale for 20% off so she bought another 5 lbs. What was the price of apples on Tuesday? NEED ANSWER ASAP! The price of milk is believed to increase by 54% over the next 3 years. If 2 gallons of milk costs $2.50 now, what will the price be in 3 years after the increase? You are the project manager tasked to implement a critical application in a reputed bank. A client review indicates that you could not adhere to the quality standards of the overall project. Which code of conduct have you violated? Why did the Supreme Court deem two policies of the First New Deal unconstitutional?Question 13 options:all of thesebelieved the policies to involve the federal government too much in the regulation (control) of private businessesthe Supreme Court did not see any economic impact and wanted to restrict the New DealPresidents are only allowed one major piece of legislation during their time in office The squirrel who ran in circles around the circumference of the tree chattered angrily at the curious cat. Which correctly revises the sentence? Both petroleum and coal are made up of complex carbon-based molecules, and both originated with living creatures of some kind. Both are vital sources of energy for the modern world and both were formed by geologic processes over millions of years. However, petroleum was mainly formed from the remains of ocean-dwelling microorganisms. Coal, on the other hand, originated from decayed vegetation in ancient swamps and bogs. In any case, it took millions of years for both coal and oil to be produced. This is the case because it took that much time for overlying sediments to produce the unimaginable heat and pressure that would one day allow us to harvest these energy resources. What is one clue word or phrase in the passage that indicates a contrast? A. In any case B. Both C. However D. Because A figure is made up of 5 identical squares, the area of the figure is 405 squares inches, what is the perimeter The term element refers to atoms that have the same number of _______. A. protons B. ions C. neutrons D. electrons