Answer:
American Foulbrood is a highly lethal and contagious disease of honey bees, caused by the spore-forming bacteria Bacillus larvae. The disease causes larvae to die after cells are capped. Worker bees have difficulty trying to remove the dead larvae, and often contaminate the hive with additional spores.
during an experiment scientists study a portion of a gene found in the white mouse. they determined that the following sets of codons has been translated into a series of three animo acids shown below
mRNA sequence- GCA-UUA-UCG
amino acids sequince- alanine - leucine - serine
which of the following would be the expected outcome of this same set codons were to be found in humans genes
The human cell would be unable to translate the mRNA codons.
The sequence of amino acids would be completely different in the human.
The amino acid sequence would be identical in the human cell.
The human cell would be converted into a mouse cell.
Answer:
the amino a acid sequence would be identical to human cell
becuuse the codes sequencing is simialr in all animals
Which of the following is NOT used as evidence for evolution?
A
Embryology
B
Allele Frequency
C
Comparative Anatomy
D
DNA Similarities/Differences
can someone help me fill this out i have no idea
Answer:
1. Renewable
2. wood
3. Sun ... Wind
4. Water
5. Electricity
Explanation:
identify the function of the vacuole. what is the funtion of the vacuole. please explain! i really appreciate it
Answer:
In animal cells: vacuoles are generally used for storage and can have nutrients, water or waste
In plant cells: vacuoles help store water and push against cell wall and keeps the plant rigid.
Explanation:
How are osmosis and diffusion alike?
Both move molecules from areas of high concentration to areas of low concentration.
Both processes occur through permeable bilayer membranes.
Both require additional energy provided by channel proteins.
Both allow solute molecules to move across a semipermeable membrane
Osmosis and diffusion are two essential processes that happen in our body. Both the processes have certain similarities that are as follows:
Both allow solute molecules to move across a semipermeable membraneBoth move molecules from areas of high concentration to areas of low concentration. Therefore, option (D) is correct regarding the similarities between osmosis and diffusion. It is also essential to note that osmosis and diffusion differ in the types of molecules being transported and in the direction of transportation. In diffusion, all types of molecules and particles can move, while in osmosis, only water molecules can move.
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How is a cell like a stadium
Answer:
A Cell Wall is like the structure of the stadium because the both hold the cell together and protect from attack
Explanation:
what critical service supports shared objects, logon services, print services, and remote procedure calls?
The critical service that supports shared objects, logon services, print services, and remote procedure calls is the Remote Procedure Call (RPC) service.
This is an inter-process communication (IPC) technique that enables the communication between a client and server process across different networks, even on different operating systems. RPC service enables a client to invoke a method on a server and receive a response as if the client were running on the same device as the server. The primary function of RPC service is to facilitate the communication between client and server programs over a network. RPC service is built on a client-server model that runs as a service on the server and handles client requests sent by the client as input parameters in a method call.
RPC service supports shared objects, logon services, print services, and remote procedure calls through various protocols like Transmission Control Protocol (TCP), User Datagram Protocol (UDP), and Remote Direct Memory Access (RDMA). RPC service is an essential part of the Windows operating system and is required for many system processes and applications to function correctly. It plays a crucial role in the Windows environment as it provides a common mechanism for different processes running on different machines to communicate with each other. So therefore he Remote Procedure Call (RPC) service is the critical service that supports shared objects, logon services, print services, and remote procedure.
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Describe Claire’s symptoms. Explain how they were related to metabolism and homeostasis.
How did Claire’s digestion reaction rates tell you that the problem was in her small intestine, and not in her stomach?
Claire's symptoms, related to metabolism and homeostasis, indicated a problem in her small intestine rather than her stomach. The digestion reaction rates suggested that the issue was specific to the small intestine.
Claire's symptoms, not specified in the prompt, were likely indicative of disrupted metabolism and homeostasis. Metabolism refers to the chemical processes that occur within an organism to maintain life, while homeostasis involves maintaining a stable internal environment. The symptoms could include difficulties in nutrient absorption, weight loss, imbalanced blood glucose levels, or disrupted electrolyte levels.
Digestion reaction rates provide important clues to pinpoint the source of the problem. The stomach primarily digests proteins using gastric enzymes like pepsin, while the small intestine is responsible for further digestion and absorption of nutrients. If Claire's digestion reaction rates were normal, indicating proper protein digestion, it suggests that the issue lies in the small intestine rather than the stomach. This could imply problems with the production of digestive enzymes, impaired absorption surfaces, or other factors affecting the small intestine's ability to process and absorb nutrients effectively.
In summary, Claire's symptoms suggested a disturbance in metabolism and homeostasis, possibly linked to a problem in her small intestine. The digestion reaction rates pointing towards the small intestine as the issue indicate a specific problem with nutrient digestion and absorption in that region of the digestive system.
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mutations that eliminate a contiguous region in the drosophila embryo's segmentation pattern are called
Mutations that eliminate a contiguous region in the Drosophila embryo's segmentation pattern are called pair-rule mutations.
What is a pair-rule mutation?A pair-rule mutation is a type of genetic mutation that disrupts the regular patterning of segments in the developing embryo of Drosophila, causing the loss of every other segment or segment half in the final adult organism. Pair-rule genes are responsible for the development of the embryo, and their mutations are called pair-rule mutations.
A pair-rule mutation eliminates a contiguous region in the drosophila embryo's segmentation pattern by disrupting the regular patterning of segments in the developing embryo of Drosophila, causing the loss of every other segment or segment half in the final adult organism.
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Three out of the four traits below belong to the same organism. Choose the trait that does NOT belong:
parapod
chaetae
proboscis
spongin
Spongin does not belong to the same organism as the other three traits. Parapod, chaetae, and proboscis are all features commonly found in various organisms, while spongin is specific to a particular group. Here option D is the correct answer.
Parapod refers to a pair of fleshy appendages found in certain annelid worms, such as polychaetes. These structures aid in locomotion and respiration, providing a wide surface area for movement and gas exchange.
Chaetae, also known as setae, are bristle-like structures found in many invertebrates, including annelid worms. They serve multiple functions, such as providing traction for movement, defense, and sensory perception.
Proboscis is a long, tubular structure found in various animals, including insects, mollusks, and some mammals. It is often used for feeding, sucking liquids, or probing for food sources. Examples include the proboscis of a butterfly or the trunk of an elephant.
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Complete question:
Which of the following traits does NOT belong to the same organism?
A) Parapod
B) Chaetae
C) Proboscis
D) Spongin
A person eats food prepared on a kitchen counter covered with living infectious bacteria. Which of the following best describes an example of how the bacteria might resist the person's nonspecific immune defenses?
Phagocytes that try to engulf the bacteria are soon destroyed by enzymes produced by the bacteria.
B cells are blocked from binding to the bacteria antigens because of enzymes secreted by the bacteria.
Infection would not be able to destroy the bacteria.
Plasma cells that would normally mark the bacteria for destruction are avoided by the bacteria.
Answer: Phagocytes that try to engulf the bacteria are soon destroyed by enzymes produced by the bacteria.
Explanation:
Answer:
Its A.
Explanation:
Phagocytes that try to engulf the bacteria are soon destroyed by enzymes produced by the bacteria.
I just took the test and got it correct.
name the two worst extinctions known in Earth’s history.
Explanation:
Permian Triassic ExtincitonLots of places were affected, extinction; in species, vertebrates, etc, etc.
Devonian extinctionExtinction-- in marine species...
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Which of the following characteristics inform anthropologists as to the bipedal status of the australopithecines?
a. evidence of their heel-strike and toe-off locomotion
b. evidence of a convergent hallux (big toe)
c. evidence of lumbar lordosis
d. all of these answers are correct
The following characteristics inform anthropologists as to the bipedal status of the australopithecines is d. all of these answers are correct
Anthropologists have utilized various characteristics to ascertain the bipedal status of the australopithecines. Anthropologists have used several features to determine the bipedal nature of the australopithecines. Evidence of their heel-strike and toe-off locomotion, evidence of a convergent hallux (big toe), and evidence of lumbar lordosis all contribute to their bipedal status.
Because the Australopithecines’ locomotive pattern and anatomical characteristics demonstrate their bipedal nature, they were bipedal. In addition, they have several other anatomical features, such as a backwardly positioned foramen magnum and a modified pelvic structure, that also indicate bipedalism. They walked upright, in a way that was more similar to humans than to apes. So therefore the correct option is d) all of these answers are correct.
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How might we determine if the trait of albinism is sex-linked?
Answer:
Throught genetics varaition. Crossing over and all
Explanation:
Becuase I said so
Where can proteins be found when part of a plasma membrane?
Answer:
Peripheral membrane proteins are found on the outside and inside surfaces of membranes, attached either to integral proteins or to phospholipids. Unlike integral membrane proteins, peripheral membrane proteins do not stick into the hydrophobic core of the membrane, and they tend to be more loosely attached.
Explanation:
Which of the following is primarily responsible for the expression of different genes on a chromosome?
Transcription factors.
DNA helicase.
DNA polymerase.
Homeostatic regulation.
Answer:
Transcription factors
Explanation:
i just learnd that in biology class...
Which direction does Xylem flow? Phloem?
Answer:
The movement of Xylem is unidirectional and phloem is bidirectional
Explanation:
The tension created by transpiration “pulls” water in the plant xylem, drawing the water upward in much the same way that you draw water upward when you suck on a straw.
Phloem transport is bidirectional because sucrose gets accumulated in the phloem tissue and absorbs water creating a high turgor pressure. ... Hence the water flows from regions of high turgor pressure to low turgor pressure and the direction can be upwards or downwards from the leaves based on the gradient.
The different forms of a gene are called *
O points
gametes
alleles
genes
zygotes
Answer:
An allele is a variant form of a gene. Some genes have a variety of different forms, which are located at the same position, or genetic locus, on a chromosome. Humans are called diploid organisms because they have two alleles at each genetic locus, with one allele inherited from each parent.
Explanation:
Match the combining form ischi(o) with its closest definition. A. Ilium
B. Ischium
C. Hump
D. lamina
The combining form ischi-o with its closest definition is ischium, hence option B is correct.
The closest definition of the combining form ischi-o is ischium. The acetabulum is made up of the three pelvic bones, pubis, ilium, and pubis.
The hip joint is formed by the acetabulum, which connects to the head of the femur and is shaped like a cube or a socket and is located on the side of the pelvis. The hip joint and acetabulum allow us to easily run, walk, and move about.
It is a pair of pelvic bones that define the obturator foramen's inferior and posterior borders, as well as the lower and rear portions of the hip bone.
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I was thinking B or C but i need another opinion
Answer:
Option C
Explanation:
Option C makes the most sense because it is true.
I hope it helps!!!
How many offspring did generation I have?
Group of answer choices
2
3
4
1
Answer:
2
Explanation:
Because
Which chemical is classified as an enzyme?
a. galactose
b. lipid
c. protease
d. manganese dioxide
Answer:
C. protease
Explanation:
The image represents the mitosis process and it is important because:
A. produces gametes with half genetic information than parent cell.
B. allows processes as growing and repair tissues in the body.
C. does not produce cells with the same genetic information than parent cell.
D. always produce somatic cells with the same characteristics, it does not matter the organ in the body.
Answer:
B. allows processes as growing and repair tissues in the body.
Explanation:
Mitosis is a process where a single cell divides into two identical daughter cells. During mitosis one cell divides once to form two identical cells and the dividing cell's chromosomes are copied and then distributed equally between the two new nuclei of the daughter cells.
The major purpose of mitosis is for growth and to replace worn out cells. It also plays an important part in the development of embryos.
Mitosis is divided into five stages:
1. Interphase- during interphase, the DNA in the cell is copied resulting in two identical sets of chromosomes. Microtubules also extend from the centrosomes outside the nucleus
2. Prophase- during this phase, the sister chromatids in each chromosome pair up, the nuclear membrane dissolves and the mitotic spindle consisting of microtubules and other proteins extend across the cell between the centrioles which move to opposite ends of the cell.
3. Metaphase- the chromosomes line up at the centre of the cell and the mitotix spindle attaches to eachmof the sister c hromatids.
4. Anaphase- the sister chtomatids are pulled apart to each end of the cell by the mitotic spindle.
5. Telophase- at each pole, a full set of chromosomes gather together, a membrane encloses each chromosome, the cell pinches at the middle and then divides into two. This is known as cytokinesis.
The question is in the picture
Answer:
Nitrogen base
Nitrogen base I think
Explanation:
Describe what it means when we say that DNA replication is semi-conservative:
Answer: Semi-conservative replication means that during DNA replication, the two strands of nucleotides separate. Both strands then form the template for free nucleotides to bind to to create the two identical daughter strands. Hence each daughter strand has half of the DNA from the original strand and half newly-formed DNA. brainliest
Explanation:
hi please help i’ll give brainliest
Answer:
Explanation:
13.5 billion years
How did cyanobacteria aid the evolution of complex life on land? Do you think cyanobacteria are as significant to this process today as
they were during Precambrian time?
NEED ASAPPPP ITS TIMED
Cyanobacteria are one of the most ancient groups of photosynthetic organisms. They played a critical role in the evolution of complex life on land by producing oxygen. They are also known as blue-green algae. They have existed on Earth for more than 3.5 billion years and played an essential role in creating Earth's oxygen-rich atmosphere. The emergence of cyanobacteria marks a significant point in Earth's evolution.
The presence of oxygen allowed for the development of complex organisms, including plants and animals. Cyanobacteria aided the evolution of complex life on land by their ability to photosynthesize. They were the first organisms to evolve a complex process that enabled them to use sunlight to convert carbon dioxide and water into oxygen and glucose.
This process is known as photosynthesis, and it is responsible for the oxygen-rich atmosphere of our planet. Cyanobacteria were the first photosynthetic organisms to produce oxygen. During Precambrian time, cyanobacteria produced more oxygen than any other organism. They were responsible for oxygenating Earth's atmosphere and allowing for the evolution of aerobic organisms.
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What does this table show?
Answer:
Calm down but i gotchu hope it works
Explanation:
This is the periodic table and it shows both the meatl and non metals in the periodic table also their atomic number and mass
Answer:
The table shows metals and non-metals
Explanation:
The yellow means metal and blue is non-metal. It also shows you where the atomic number and the mass number are on each element.
why are species going extinct before we know they exist?