help me please and nooooo linkssss

Answer:

HIV may not cause symptoms early on. People who do have symptoms may mistake them for the flu or monoSkin rash.

Symptoms may appear from a few days to several weeks after a person is first infected. The early symptoms usually go away within 2 to 3 weeks.

HIV (human immunodeficiency virus) is a virus that attacks the immune system

There are two types of HIV:

HIV-1, which causes almost all the cases of AIDS worldwide

HIV-2, which causes an AIDS-like illness. HIV-2 infection is uncommon in North America.

Explanation:

-0.5m/s^2

Explanation:

the answer is negative this only show direction that is acceleration is a vector quantity

The probability of parents with the AaBb genotype producing offspring with the genotype AaBb is 4/16. Thus the correct answer is (b) 4/16.

The Punnett square method is used to forecast the prospective offspring from a certain cross based on the gametes of the parents. The parents carefully create the gametes that are arranged in a checkerboard pattern so they can understand all the potential children that can be generated. The likelihood of each prospective offspring can be determined using the checkerboard method. In the cross, there are four gametes produced by each of the two dihybrid parents. As a result, the hybrid has the capacity to produce a total of 16 offspring. Out of the 16 possible combinations, only four types of offspring can have the AaBb genotype.

Parents: AaBb*AaBb

Genotypes: AB   Ab    aB   ab *  AB    Ab   aB   ab

Offspring:   ABAB    ABAb   ABaB   ABab   AbAB   AbAb  AbaB  Abab  aBAB   aBAb   aBaB   aBab   abAB  abAb  abaB  abab

Percentage: AaBb: 4/16

The complete question is:

What is the probability of an AaBb offspring when you cross AaBb x AaBb parents?

a. 1/2

b. 4/16

c. 1/8

d. 1/32

e. 1/4

To learn more about cross between parent genotypes please click on the given link: https://brainly.com/question/26601444

#SPJ4

Answer: Body imbalance such as affect balance and hearing.

Explanation:

Answer:

Biological evolution, simply put, is descent with modification. This definition encompasses small-scale evolution (changes in gene frequency in a population from one generation to the next) and large-scale evolution (the descent of different species from a common ancestor over many generations).

Explanation:

The correct option is B ; May be a combination of fluid-resistant and absorbent layers There are two kinds of surgical drapes: reusable and disposable.

Reusable drapes are comprised of a woven cloth that is washed and sterilized between treatments.  Disposable drapes, on the other hand, are often constructed of non-woven material and are cremated after each operation.

McKesson Field Drape/Towel Non-Fenestrated is sterile and poly-lined, making it suitable for use in operating rooms. This critical medical supply item is used during surgical operations to drape over the body in order to separate the operating field. To prevent bacterial strike-through, the inner poly layer repels moisture.

Learn more about to disposable

https://brainly.com/question/14732695

#SPJ4

Answer:

the different phases of the moon are proof that it revolves around the earth at the rate it does, so if it revolved around earth much more slowly, then the phases wouldn't be visible because the sun wouldn't hit the moon as it does now

Explanation:

i don't know why this is being taught who cares about the moon

In hypertension, The arteries that carry oxygen and blood to the brain can burst or become blocked by high blood pressure, resulting in a stroke.

There are many ways that high blood pressure can harm your health. It has the potential to seriously harm vital organs like your eyes, brain, kidneys, and heart. Your arteries may become less elastic as a result of high blood pressure, reducing the flow of blood and oxygen to your heart and resulting in heart disease. A stroke can result in severe impairments of speech, movement, and other fundamental activities. You can also die from a stroke.

Know more about hypertension here: https://brainly.com/question/29799896

#SPJ4

Answer:

the organisms alive today evolved from organisms that previously lived on Earth.

Explanation:

nuneeedadoll on IG

The organisms that live on Earth today evolved from organisms that previously lived on Earth.

The focus of biogenesis states that all living organisms arise from a pre-existing living organism. The theory of biogenesis is given by Louis Pasteur.

The theory said that life comes from pre-existing life, by means of reproduction. Living beings do not arise from non-living things.

Thus, option "D" is correct,  organisms arise from a pre-existing living organism.

To learn more about organisms click here:

https://brainly.com/question/12825206

In deeper horizons such as the B-horizon, a brown colour usually means that the soil has good natural drainage. A black or dark grey colour usually comes from an accumulation of organic matter. In areas of high rainfall, this may again mean poor drainage.

Answer: D

Explanation: Every other  choice can be changed with environment and other factors but DNA can effectively compare organisms.

The occurrence of transitional fossils supports the idea that - extinct and living forms are related, these are ancestors of living species, change occurs in species over time.

A transitional fossil is that  fossilized remains of a life form which exhibits traits common to both an ancestral group and its derived descendant group which is living at present. The descendant group is sharply differentiated by gross anatomy and mode of living from the ancestral group.

These fossils show that taxonomic divisions are human made that have been superimposed on the continuum of variation. Because of the incompleteness and unavailability of the fossil record, there is usually no way to know exactly how close a transitional fossil is to the point of divergence if evolution of that particular species. Therefore, it cannot be assumed that transitional fossils are direct ancestors of more recent groups, though they are frequently used as models for such ancestors.

For further learning about transitional fossils ,follow the link:

https://brainly.com/question/7156308

#SPJ4

Answer:

D. The cell then has a larger surface area to volume ratio which means it can move nutrients into the cell and waste out more efficiently.

Explanation:

Given that whales and other mammals resembled other mammals in terms of their skulls and other sculptures, based on the fossil evidence, humans have undergone evolutionary transitions.

The transition from land animals to whales is one of the most well-known instances of a supposed change cited by the evolution contingency in the opening of the program. The fossils of Pakicetus, Ambulocetus, Rhodocetus, Dorontid, and Basilosaurus show that this transition can be explained. Pakicetus only has a small portion of its cranium to display, as opposed to a whole transitional fossil.

The program portrays Ambulocetus as a fully preserved fossil of an aquatic mammal with legs, yet this is a stretch of the fact because the animal's skeleton was actually discovered to be extremely fragmented. Rhodocetus is solely represented in the series by a skull.

To know more about evolution, refer to the following link:

https://brainly.com/question/27748371

#SPJ4

Answer:

B

Explanation:

need to know this to explain what you know on the central idea of the story.

Answer: the atomic number is eleven because the number of protons is equal to the number of electrons which is also equal to the atomic number.

The atomic mass is the protons+neutrons which after adding will give 23.

Explanation:

Positive mutations are essential for evolution to occur. They raise a living thing's chances of surviving or procreating. Deadly mutations can give rise to cancer or genetic diseases.

While most mutations are beneficial, some can also be dangerous. A dangerous mutation might cause a genetic illness or a cancerous condition. Chromosome-level mutations are still another type. Chromosomes, which are little, threadlike organelles present in the cell nucleus, carry genes.

A variation can make a protein malfunction or not be created at all by altering the gene's instructions for producing it. A variation can impair normal development or result in a disease when it changes a protein that is essential to the organism.

To know more about mutations visit:

https://brainly.com/question/17130462

#SPJ1

An insertion mutation changes the DNA sequence by adding one or more nucleotides to the gene.

An insertion is a point mutation in which one or more base pairs is added to a DNA sequence. Point mutations is further divided into silent mutations, missense mutations, and frameshift mutations.

Frameshift mutation is considered as a genetic mutation caused by a deletion or insertion in a DNA sequence. This kind of mutation shifts the way the sequence is read. diseases like cystic fibrosis is a result of frameshift mutation that alters the CFTR gene. The harshness of frameshift mutation is reliant on the number of nucleotides and the position of insertion of nucleotides.

To learn more about mutation , here

brainly.com/question/17130462

#SPJ4

Natural selection, genetic drift, and gene flow are mechanisms that cause changes in allele frequencies over time, contrary to the Hardy-Weinberg assumption, and evolution occurs.

Evolution refers to changes in the genetic composition of a population of organisms over time. There are four forces that work together to effect evolution: mutation, natural selection, genetic drift, and gene flow. First, natural selection is a mechanism by which organisms with beneficial traits become more likely to inherit those traits, increasing the population of the next generation.Genetic drift results from random changes in allele frequencies. , these changes may restore or promote genetic diversity. Gene flow is the exchange of genes between populations by migration or mating, which can introduce new alleles and introduce genetic variation into populations. Ultimately, mutation produces genetic variation by spontaneously forming new alleles.

learn more about evolution:

https://brainly.com/question/29351017

#SPJ4

Answer:

I don't think it is becoming the predator lunch. there are some birds who will clean the teeth

Coumarin is found to restrict the production of a specific component found in the cell walls but not in the cytoplasm, which plays an important role in the growth of the stem. (BIOSYNTHESIS< CYTO< STEM GROWTH)

The results from the experiment suggest that coumarin treatment negatively impacts the growth of plant seedlings, as measured by seedling height. This indicates that coumarin has an inhibitory effect on stem growth.

Additionally, the experiment that measured the number of radioactive labels in cytoplasmic and cell wall fractions revealed that coumarin affects the biosynthesis of a specific component in the cell walls but not in the cytoplasm. This suggests that coumarin specifically targets the production of a component that is critical for stem growth, and that this component is found primarily in the cell walls and not in the cytoplasm.

This is further supported by the fact that the radioactive label is found in the cell wall but not in the cytoplasm, indicating that the biosynthesis of this component is taking place in the cell wall and not in the cytoplasm. Overall, these results suggest that coumarin is inhibiting the biosynthesis of a component that is critical for stem growth, specifically in the cell walls.

To learn more about germination at

https://brainly.com/question/15976369?referrer=searchResults

#SPJ4

Answer:

Explanation:

The mutation is from AAG GCA TTC to AAG GCT ATTC

So there is a frameshift with an insertion of a T

Answer is a Frameshift mutation.

Answer:

Explanation:

its an example of single insertion leading to a frameshift mutation

Unlike chemical reaction rates, which vary with the conditions of a reaction, nuclear decay rates are constant..Raising the temperature has no effect on the rate of nuclear decay.

Decomposing organisms are less active in cooler temperatures, keeping the pace of decomposition low.

A speed of alpha, beta, & electron decays all rely on temperature & whether they are contained inside an insulating or conducting material, as demonstrated by numerous groups.

To know more about nuclear decay visit:

https://brainly.com/question/12224278

#SPJ1

The specific colors of light that a leaf reflects depend on the pigments present in the leaf. Chlorophyll, which is the pigment primarily responsible for the green color of leaves.

leaf reflects green light and absorbs other colors of the visible spectrum such as blue and red. Carotenoids, which are pigments that give leaves their yellow and orange colors, leaf reflects yellow and orange light. And finally, anthocyanins which are pigments that give leaves their red, purple and blue colors, leaf reflects red, purple and blue light. Additionally to these pigments, other substances on the leaf surface can also affect the light leaf reflects. It's worth noting that while leaves reflect visible light, they also reflect other types of light such as near-infrared and ultraviolet, but these are not visible to the human eye.

Learn more about leaf reflects here:

https://brainly.com/question/732482

#SPJ4