intracellular parasites that consist of dna or rna surrounded by a protein coat and sometimes by a lipoprotein envelope are called:

Answer:

The carbon cycle describes the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere. ... Carbon is released back into the atmosphere when organisms die, volcanoes erupt, fires blaze, fossil fuels are burned, and through a variety of other mechanisms.

Explanation:

brainliest please

Answer:

I think the answer is c

Explanation:

Can someone please mark me brainliest

Answer:

c

Explanation:

on ed

In the context of the soybean cyst nematode: tolerance is the ability of a hybrid or variety to maintain yield even when diseased and resistance is defined as a plant that allows 10% or less reproduction relative to a standard, susceptible soybean variety.

Generally, Tolerance refers to a hybrid's or variety's capacity to retain yield even when sick. while a plant is described as resistant if it enables 10% or less reproduction compared to a conventional, susceptible soybean variety.

In conclusion, Tolerance, and resistance complete the sentence.

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Answer:

C. Organisms use meiosis to make reproductive cells.

The statement 'organisms use meiosis to make reproductive cells' is TRUE of meiosis (Option C).

In conclusion, the statement 'organisms use meiosis to make reproductive cells' is TRUE of meiosis (Option C).

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Answer:

Nondisjunction

Explanation:

Nondisjunction occurs when homologous chromosomes or sister chromatids fail to separate during meiosis, resulting in an abnormal chromosome number. 

Mutations that lead to protein disruption will produce defective proteins by affecting the first level (amino acid sequence). Defective proteins are non-functional.

A mutation is any alteration in the nucleotide sequence of the genome (i.e., the genetic material) of an organism.

Mutations in genes may lead to the generation of different types of proteins that encode for different amino acids.

The first level of protein structure is the amino acid sequence, thereby mutations may affect this level.

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Answer:

?WHAT

Explanation:

class is this for ?

and pls this doesnt make sense

Bryophytes, including mosses, liverworts, and hornworts, require:

B. Water to reproduce sexually.

Bryophytes have a unique life cycle that involves the alternation of generations between a gametophyte and a sporophyte phase. In the gametophyte phase, bryophytes produce specialized structures called gametangia, which produce gametes (sperm and eggs). The gametes are flagellated and need water for their movement and fertilization.

Water is necessary for bryophyte reproduction because the sperm must swim through a film of water to reach the eggs for fertilization. This dependence on water is one of the key characteristics that distinguishes bryophytes from tracheophytes (vascular plants), such as ferns and other plants with well-developed vascular tissues.

Unlike tracheophytes, which have specialized tissues for water and nutrient transport, bryophytes lack true vascular tissues. Consequently, they cannot transport water internally like tracheophytes. Therefore, bryophytes rely on external water sources, such as rain or dew, for the mobility of their sperm and the fertilization of their eggs.

Therefore, the correct option is B.

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Answer:

law of segregation states that each gamete carries Separate allele for each gene

Answer:

law of segregation

The use of traditional chemical pesticides can have detrimental effects on soil biota. These pesticides are designed to be toxic to pests, but they can also harm non-target organisms in the soil ecosystem.

Direct toxicity from pesticides can lead to the death or reduced populations of beneficial soil organisms such as bacteria, fungi, earthworms, and other invertebrates. This can disrupt important ecological processes like nutrient cycling and soil structure maintenance. Pesticides can also disrupt the balance of microbial communities, altering their composition and activity.

Additionally, the elimination of pest insects through pesticide use can impact higher trophic levels, reducing food sources for predatory organisms. The persistence of some pesticides in the soil further exacerbates their impact on soil biota. To minimize these effects, alternative pest management approaches that prioritize ecological sustainability, such as integrated pest management, are being adopted.

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Bullfrog populations in the east and west differ significantly, and the Rocky Mountains are to blame for this. If humans hadn't introduced bullfrogs, there wouldn't be many of them on the west side.

Bullfrogs in North America must live in water, therefore they are typically found close to a body of water, such as a lake, pond, river, or bog. Preferably, shallow, warm, and quiet waters.

Bullfrogs are currently widespread throughout the central and eastern United States, as well as in many places of the western United States where they have been innovated, including Hawaii. Bullfrogs are native to the central and eastern United States.

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Deuteromycota is also known as fungi imperfecti. The phylum Deuteromycota is made up of fungi that reproduce through asexual reproduction, and they have no known sexual state. As a result, they were grouped as "imperfect fungi."

In the Kingdom Fungi, members of the phylum Deuteromycota resemble members of other phyla. Deuteromycota and other phyla in the kingdom Fungi share several characteristics. They are heterotrophic organisms, which means they consume other organisms for food. They are also eukaryotic, with a well-defined nucleus enclosed by a nuclear envelope and organelles such as mitochondria. Additionally, they have a cell wall made up of chitin, which is a structural polysaccharide.

Furthermore, the cells are filamentous or unicellular and are hyphae-like. They are responsible for many plant diseases and also serve as the source of antibiotics such as penicillin. Overall, the members of phylum Deuteromycota, despite their differences, share the same basic characteristics as other phyla in kingdom Fungi.

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Answer:

what grade

Explanation:

Courtship and mating rituals are diverse and can vary greatly among different animal species. They are typically involved in attracting mates, establishing pair bonds, and ensuring successful reproduction.

1. Courtship and Mating Rituals Exist: Many animal species have elaborate courtship and mating rituals. These behaviors can serve various purposes, such as displaying fitness and attractiveness to potential mates, establishing territory, or demonstrating parental abilities.

2. Absence of Courtship and Mating Rituals: Some animal species may not exhibit elaborate courtship or mating rituals. This can occur in species where mating opportunities are abundant or where the reproductive process is straightforward without the need for elaborate displays.

The presence or absence of courtship and mating rituals can depend on various factors, including ecological pressures, social structure, reproductive strategies, and evolutionary history of the species. Different species have evolved different strategies to maximize their reproductive success, and these strategies can manifest as complex courtship rituals or simpler methods of attracting mates.

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Answer:

Explanation:

C = dominant black coat

c = recessive white coat

T = dominant rough coat

t = recessive smooth coat

Heterozygous black coat + Homozygous smooth guinea pig genotype:

Cc tt

homozygous white/heterozygous rough:

cc Tt

Punnett Square

After looking at Punnett squares attached, we can see that 1/2 of offspring are either black or white and 1/2 of offspring are either rough or smooth.

Cc - black coat - 2/4 - 1/2

cc - white coat - 2/4 - 1/2

Tt - rough coat - 2/4 - 1/2

tt - smooth coat - 2/4 - 1/2

The study of cre elements in different species has revealed that there can be significant variation in these elements without causing a significant change in overall gene expression patterns. This is a good example of cryptic genetic variation, which refers to genetic variation that is not readily apparent in an organism's phenotype.

In this case, the variation in cre elements may not affect the expression of the gene in question, but it could still have an impact on other traits or functions that are controlled by the same or related genes. This highlights the importance of considering genetic variation beyond just the genes themselves, and taking into account the regulatory elements that control their expression.

It also underscores the complexity of genetic interactions and the potential for epistasis, or the way in which different genes can interact with each other to produce a particular phenotype. Additionally, competitive binding may play a role in this context, as the variation in cre elements could impact the ability of regulatory proteins to bind to the DNA and control gene expression. Overall, this is a complex and nuanced issue that requires a long answer to fully unpack.

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Answer:

work on ur own

Explanation:

Answer:

Is it the tilt of the earth? Sorry if I'm wrong

Explanation:

Have you ever watched the dragon prince or miraculous tales of lady bug and cat noir

Answer:

A specific question that could be used to start a scientific investigation is A. Do long droughts increase the likelihood of forest fires. This question can be tested and answered through scientific methods and data collection.

The amount of energy lost when moving between underwater plants and ducks is 90%, while the rest of the 10% goes to the next trophic level in the food chain or the food web.

There are many food chains in an ecosystem, and each food chain is made up of many trophic levels, energy and matter travel from the producer to the next trophic level, and only 10% of them transfer, while the other 90% is lost as heat, respiration, and so on.

Hence, the amount of energy lost when moving between underwater plants and ducks is 90%, while the rest of the 10% goes to the next trophic level in the food chain or the food web.

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Answer: telecephalon

Explanation: The prosencephalon enlarges into two new vesicles called the telencephalon and the diencephalon. The telecephalon will become the cerebrum.

Answer:

structure helps stabilize the position of the attached heme

Answer: A. An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life. Ecosystems contain biotic living, parts, as well as abiotic factors, or nonliving parts. 1. All living and nonliving things in an area make up an ecosystem. 2.Sorry I am unsure what you are asking. 3. They are abiotic factors. 1. The sun. A. Plants use the sun to make their food. (which is made out of glucose and starch.) b. I am unsure of the answer. I am sorry.

Explanation- Have a good day.

a. Klinefelter syndrome patients have an extra X chromosome, resulting in a karyotype of XXY.

b. This means they have 47 chromosomes overall instead of the usual 46.

c. As a result, individuals with Klinefelter syndrome typically have one Barr body, which is an inactivated X chromosome.

Klinefelter syndrome is a genetic condition where individuals have an extra X chromosome, resulting in a karyotype of XXY instead of the typical XY in males. Therefore, patients with Klinefelter syndrome have 47 chromosomes overall instead of the usual 46.

The additional X chromosome can lead to various physical and developmental differences. In individuals with Klinefelter syndrome, only one X chromosome is typically active, while the additional X chromosome undergoes inactivation and forms a Barr body.

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Answer: no it enters the lung hilum

Explanation:

No, the main stem bronchi do NOT enter the lung apex.

The main stem bronchi, also known as the primary bronchi, enter the lungs at the hilum, which is located on the medial surface of each lung. The lung apex is the uppermost part of the lung. It is located above the level of the first rib and extends into the lower part of the neck. The lung apex is an important anatomical structure as it is in close proximity to other structures in the chest and neck, including the subclavian artery, subclavian vein, and brachial plexus. It is also important for lung function as it is involved in the exchange of oxygen and carbon dioxide during respiration.

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Answer:

yes

Explanation:

In Type 1 diabetes, the pancreas is unable to produce insulin which directly affects protein kinases that are key to timing in cell division also seem to affect metabolism via timing.

The correct answer is B. Rhinoviruses and Streptococcus pneumoniae.

The main causative agents of the common cold are Rhinoviruses and Streptococcus pneumoniae.

Rhinoviruses are the most common viruses responsible for causing the common cold. They belong to the Picornaviridae family and are highly contagious. Rhinoviruses infect the upper respiratory tract, leading to symptoms like a runny or stuffy nose, sneezing, sore throat, and coughing.

While Rhinoviruses are the primary viral cause of the common cold, Streptococcus pneumoniae is a bacterium commonly associated with secondary bacterial infections in individuals with colds.

Although not a primary causative agent, S. pneumoniae can opportunistically infect the respiratory tract when the immune system is compromised due to a viral infection like the common cold. It can lead to more severe symptoms and complications such as sinusitis, bronchitis, or pneumonia.

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Answer:

The last two are false the first two are true

Explanation: