Answer:
A
Explanation:
Describe the structure of a virus.
Answer:
All viruses contain nucleic acid, either DNA or RNA (but not both), and a protein coat, which encases the nucleic acid. Some viruses are also enclosed by an envelope of fat and protein molecules. In its infective form, outside the cell, a virus particle is called a virion.
Explanation:
what happens to carbon dioxide molecules in the body cells?
Answer:
Carbon dioxide can be transported through the blood via three methods. It is dissolved directly in the blood, bound to plasma proteins or hemoglobin, or converted into bicarbonate. The majority of carbon dioxide is transported as part of the bicarbonate system. Carbon dioxide diffuses into red blood cells.
Explanation:
10. If one strand of DNA is
TCAAAGCTGC, what is the
complementary strand of DNA on the
other side?
Answer:
Explanation:As previously stated, DNA is a macromolecule that's made up of individual subunits called nucleotides. Each nucleotide has three parts:
Brought to you by Sciencing
A deoxyribose sugar.
A phosphate group.
A nitrogenous base.
DNA nucleotides can contain one of four nitrogenous bases. These bases are adenine (A), thymine (T), guanine (G) and cytosine (C).
These nucleotides come together to form long chains known as DNA strands. Two complementary DNA strands bond to each other in what looks like a ladder before winding into the double helix form.
The two strands are held together through hydrogen bonds that form between the nitrogenous bases. Adenine (A) forms bonds with thymine (T) while cytosine (C) forms bonds with guanine (G); A only ever pairs with T, and C only ever pairs with G.
Complementary Definition (Biology)
In biology, specifically in terms of genetics and DNA, complementary means that the polynucleotide strand paired with the second polynucleotide strand has a nitrogenous base sequence that is the reverse complement, or the pair, of the other strand.
Poison dart frogs live in the rainforest. They produce a poison by eating toxic fire ants. The only known predator is a snake, Liophis epinephelus. Which is most likely a density-independent factor that affects the poison dart population in the rainforest? clear cutting the rainforest limited food source susceptibility to disease increase in population of Liophis epinephelus
Answer:
Clear-cutting the rainforest
Explanation:
Density-independent factors of a population are factors that limit the size of a population irrespective of the density of the population.
A limited food source can only be defined by the size of a population, diseases will spread faster in high-density populations, and an increase in the population of a predator will cause a decrease in the population size of the predator's prey.
Clear-cutting of the rainforest means automatic destruction of the habitat of the poison dart frog's population, no matter the population size. Hence, clear-cutting of the rainforest is considered as the density-independent factor in this case.
Answer:
A.) clear cutting the rainforest
Explanation:
got it right on edge 2021
Scientific names are understood by all scientists because the names are written in
Answer:
A. binomial system
B. According to taxon
Explanation:
A. The binomial system of nomenclature brings order to a chaotic world of common names. No two kinds of animals have the same binomial name, and every animal has only one correct name, as required by the International Code of Zoological Nomenclature, thereby avoiding the confusion that common names cause.
B. Any grouping of animals that shares a particular set of characteristics forms an assemblage called a taxon. For example, a housefly (Musca domestica), although obviously unique, shares certain characteristics with other flies (the most important of these being a single pair of wings). Based on these similarities, all true flies form a logical, more inclusive taxon. Further, all true flies share certain characteristics with bees, butter-flies, and beetles. Thus, these animals form an even more inclusive taxon. They are all insects.
Intermolecular forces hold biomolecules together. They are also found between biomolecules. Which of these is a place you would expect to find hydrogen bond in a biomolecule?
a) between amino acids in a protein
b) between adenine and thymine in DNA
c) between the ribose and phosphate in RNA
d) between glucose and fructose in a sucrose molecule
(USA Test Prep)
Answer: B.
Explanation:
Answer:
B) Between adenine and thymine in DNA
Explanation:
A hydrogen bond would be found between adenine and thymine in DNA.
Peptide bonds- found in proteins
Covalent bonds - found in the backbone of nucleic acids
Glycosidic links - found in carbohydrates such as sucrose
Therefore, the only answer left, after you cross out the other from the information above, is B: Between adenine and thymine in DNA
Which of the following BEST describes the individual represented by the karyotype?
A. male with Turner's syndrome
B. normal female
C.female with Down syndrome
D. Female with Edward's syndrome
Answer:
B
Explanation:
I looked it up
Which of the following statements about cells is true?
Answer:
All cells have DNA. Hope that helps
Nonpoint source pollution is difficult to control because it _______. a. comes from a direct point of origin b. comes from a variety of sources c. remains the same over time d. none of the above Please select the best answer from the choices provided
Answer:The correct option is B.
comes from a variety of sources
Explanation:
Nonpoint source pollution is a form of pollution that is generated from different sources which include land runoff, rainfall, seepage, deposits from atmosphere and drainage, and seepage. Nonpoint source pollution is cause from rain falls as a result, its water flow through the ground , therefore the runoff wash and pick the pollutants and discharge them into water bodies. Nonpoint source polution is very difficult to control because it's originate from different type of sources.
Answer:
b. comes from a variety of sources
Please help!!! I only need the first !!
Answer:
Inside this region of DNA are unique repeating patterns that can be used to differentiate one person from another.
Explanation:
This serves as a quick energy source.
a. carbohydrate.
b. nucleic acid.
c. lipid.
d. protein.
Nigel lives near a chemical plant that spews sulfur dioxide into the air. At first, Nigel could not stand the smell of the gas in the air. However, after some time, he no longer even notices the presence of the gas. What kind of tolerance has his body developed? a behavioral tolerance b. a physiological tolerance a genetic tolerance d. a physical tolerance
Answer: Genetic Tolerance
The answer is Genetic Tolerance because the definition of it is "Genetic resistance (or genetic tolerance) refers to the ability of certain organisms to endure environmental conditions that are extremely stressful or lethal to non-adapted individuals of the same species ."
Answer:
B.) A physiological tolerance
Explanation:
The data table shows the percentage of amino acid
similarities found in a protein for several organisms
when compared to the same protein in rabbits.
Based on the data,which organism is most closely related to the rabbit?
a.hamster
b.pig
c.dog
d.cat
Answer:D
Explanation:
Answer:
I love the first choice is D) Cat
Explanation:
Thank you for working so hard!
Humans and other animals regulate cell growth and cell division. In humans which of these types of cells generally do NOT divide after they haVE DEVELOPED
Answer:
skin cells and muscles divide
Explanation: common sense cse we grow
What happens during asexual reproduction?
no change in chromosome number
a change from diploid to haploid
a change from haploid to diploid
Answer:
what is the role of centrioles apart from spindle fiber
Pattipan squash are either white or yellow. In growing Pattipans, you notice that if you want to get yellow Pattipans at least one of the parents must be yellow. Which color is dominant?
Explain.
Answer:
yellow
Explanation:
Yea it's yellow cus yea it's yellow
Which climate is a subcategory of temperate marine climates? O arid
O humid subtropical O humid continental O tundra
Answer: Humid subtropical
Explanation: There are three kinds of temperate marine climates: marine west coast, humid subtropical, and mediterranean. Marine west coast climates are the coolest temperate marine climates. Humid ocean air brings cool, rainy summers and mild, rainy winters. Mediterranean climates are drier and warmer.
Answer:
B is your answer
Explanation:
how is it possible for one twin to get skin cancer but the other one doesn´t
Looking at most newborn twins squirm contentedly in their cribs, you'd never guess that some were recently in peril. That's because carrying multiples raises the risks that a woman can suffer complications before she actually delivers.
Many twins are miscarried early in the pregnancy, often before a woman even knows she's pregnant. As reported in the International Journal of Fertility, only about one in eight embryos that starts as a twin is born as a twin. If they do survive, twins are usually born healthy. However, they are still more likely than other babies to have birth defects or to be born prematurely or underweight.
Carrying twins can be hard on you, too. You'll be more likely to develop pregnancy-related high blood pressure or diabetes. And there's a greater likelihood you will have a cesarean section when you deliver.
If you're carrying twins, some simple lifestyle changes and good prenatal care may help you reduce the likelihood of the following complications.
Low birth weight
Because they have to share nutrients and living space, newborn twins tend to be smaller than single babies. Even full-term twins often weigh less than 5-1/2 pounds each, making them vulnerable to a variety of health problems. You can help your babies reach a healthy size by making sure you put on enough weight during pregnancy. Try to eat 300 calories more each day than you would if you had a single baby (about 2,700 calories in total). If you had a healthy weight before pregnancy, you should aim to put on about 35 or 45 pounds.
Unequal size
Twins don't always share equally. In roughly 30 percent all twin births, one baby will be larger than the other. Some studies suggest that if one of your babies is at least 25 percent heavier than the other, one or both of them may be more likely to have breathing problems or need intensive care. Your doctor will track the growth of both your babies throughout your pregnancy. The first signs of unequal growth usually appear in the third trimester.
Twin transfusion syndrome
Twin transfusion syndrome poses a dangerous threat to identical twins who share a single placenta. It's normal for such twins to exchange blood during a pregnancy. But in about 20 percent of cases, one twin starts pumping large amounts of blood to the other twin, putting both of them at risk. In severe cases, the twin receiving the extra blood may develop heart failure while the other twin becomes dangerously anemic. Early diagnosis and treatment can slow the abnormal blood flow and lower the risk of complications.
Birth defects
Birth defects are common in twins, especially identical twins. Taking folic acid before and during pregnancy can help prevent neural tube defects. As reported in the medical journal The Lancet, however, about 10 percent of all identical twins are born with a birth defect such as a heart problem, a shortened limb, a club foot, or a dislocated hip (the conditions listed are linked to having less space in the uterus and would not be affected by folic acid.) Most of these conditions are treatable, however.
Risks to the mother
Your doctor will check you regularly throughout the pregnancy for signs of high blood pressure or diabetes. When detected early, both of these conditions can be controlled before they have a chance to threaten your pregnancy.
Special care
Carrying twins means you'll probably get extra attention from your doctor throughout your pregnancy. The doctor may suggest cutting back on activities between the 20th and 30th week of pregnancy, even if you haven't had any signs of labor. Many physicians also recommend an extra monitoring check on the babies' heart rate and movement, such as an ultrasound or nonstress test. A biophysical profile, which checks on heart rate, movement, and the amount of amniotic fluid in your body, might also be indicated. If you do go into labor prematurely, your doctor may suggest drugs to stop the labor or use corticosteroids to speed up the development of the babies' lungs.
It's possible that you may be able to deliver twins vaginally. But if the labor is difficult, the birth canal is too narrow, or one or both of the infants is in the breech position, you may have to undergo a c-section, in which the babies are delivered through an incision in your uterus. Talk to your doctor about what you can do to prepare for delivery.
Twins are a special challenge, both before birth and after. For now, your job is to stay healthy and get top-quality prenatal care. Two important people are counting on you.
Does this help lol :D
Answer:
Skin cancer can be genetic but just because twins are twins doesn't mean the both must have cancer if it isn't genetic and one twin got it it docent assure you for both getting it if that makes sense example one twin scrapes their knee doesn't mean the other one will have a scraped knee too .
Explanation:
What makes all of the samples different from each other?
The description of a trait through gene expression (long hair, black fur, short tail) is called an organism's _______________.
Answer:
Phenotype.
This is what is expressed on the "outside" of the organism
The prefix exo- means “out of” and the prefix endo- means “taking in”. How do these meanings relate to the meaning of exocytosis and endocytosis?
Answer:
Cytosis is is the transportion of large quantities of molecules into and out of cells. If exo means out of, that means the molecules are moving out of the cell. Endocytosis is when molecules move into the cell.
Explanation:
Answer:
The prefix “endo” means
✔ in
.
The prefix “exo” means
✔ out
.
✔ Homeostasis
is the state of maintaining a stable internal environment despite changing external conditions.
for yall on egde.
Explanation:
When the environment changes, organisms need to ______ or ____ to survive.
Answer:
adapt & evolve
Explanation:
When the environment changes, organisms need to adapt or evolve to survive.
How organisms adapt and survive to the changing environment?Natural selection is the process that results in this. Natural selection causes a species' nature to progressively change so that it can fit into the niche. A species can persist for a very long time before going extinct.
Environmental changes affect whether species are able to reproduce and survive, and this can result in population-level evolution. descent while being modified.
The process by which organisms adapt to their environment in order to increase their chances of surviving in that environment is known as evolutionary adaptation, or simply adaptation.
Learn more about organisms adaptation:
https://brainly.com/question/1686177
#SPJ3
When cells want to store up energy will they add or delete a phosphate group
Answer:
they will add.
Explanation:
When a cell has energy available it can store small amounts of energy by adding a phosphate group to ADP molecules producing ATP molecules. The energy stored in ATP is released when ATP is converted to ADP and a phosphate group.
"Landscapes all over the world are always _______?
Answer:
flat
Explanation:
BRAINLIEST PLEASE HELP ASAP NOW IMEDIATLY!!!!!!! ITS DUR RIGHT NOW!!!
How do minerals impact our daily lives? How are minerals used? Give three examples.
Answer:
Iron, manganese, selenium, and calcium all provide day-to-day nutrients that body needs in order to function. Foods that are full of micronutrients can help strengthen cells, fight against harmful viruses, and boost the immune system.
What is not a following factor influencing natural selection
evolution of octopus
A cross between a chestnut horse (CC) and a white horse (WW) will yield a horse with a brown with white spotted coat pattern known as palomino (CW). What kind of dominance is this?
A. codominance
B. simple dominance
C. sex linked
Answer:
A. codominance
Explanation:
Which graph represents selection that may lead to reduced variation in a population? A graph has trait value on the horizontal axis and population of individuals on the vertical axis. The original population and population after selection have similar curves, but the original population peaks before the population after selection. A graph has trait value on the horizontal axis and population of individuals on the vertical axis. The population after selection increases, decreases, increases, and then decreases again. The original population increases at the point that the original population drops. A graph has trait value on the horizontal axis and population of individuals on the vertical axis. The original population peaks at the same time as the population after selection but the population after selection peaks higher and at a more rapid speed. A graph has trait value on the horizontal axis and proportion of individuals on the vertical axis. The original population and population after selection have similar curves but the original population is slightly higher at all points. Mark this and return
Answer: B
Explanation:
Answer:
Graph B
Explanation:
What is the definition of temperature?
Answer:
the degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch.
the degree of internal heat of a person's body.
"I'll take her temperature"
INFORMAL
a body temperature above the normal; fever.
"he was running a temperature"
