Answer: Crossing over
Explanation: This is what a crossing over gene looks like it starts together and separates here is evidence below ⬇️
The illustration below represents the crossing over stage in meiotic cell division which is responsible for the genetic diversity in organisms. Thus, the correct option is B.
What is Crossing over?Meiosis is the type of cell division during which the chromosome number in the daughter cells become half of that present in the parent cells from which they are produced. From one parent cell four daughter cells are formed in meiosis.
Chromosomes forms the chromatids in the cell which form tetravalent with the non-sister chromatids of the homologous chromosomes. This stage is called crossing over where the genetic material present in each of the chromatids are exchanged which results into genetic diversity in a species. After the crossing over stage, the chromatids separate from each other and goes to different daughter cells.
Therefore, the correct option is B.
Learn more about Crossing over here:
https://brainly.com/question/27256451
#SPJ2
What two components are often found as part of an enzyme
Answer:
Enzymes contain a globular protein part called apoenzyme and a non-protein part named cofactor or prosthetic group or metal-ion-activator.
Explanation:
The vocal cords stretch across the opening of the larynx. True or false??
Answer:
True
Explanation:
Vocal cords are bands of smooth muscle tissue located in the larynx. When air passes through, the vocal cords vibrate.
what is the function of the ozone layer
Answer:
To stop excessive amounts of ultraviolet radiation reaching the Earth's surface. It absorbs the UV rays to prevent them from reaching the ground.
Explanation:
PLEASE HELP PLEASE PLEASE
Answer:
somebody;eating poop
me ;00000000000
Explanation:
inflammation of the bladder between the inlet of the ureters and outlet of the urethra is:
The inflammation of the bladder between the inlet of the ureters and the outlet of the urethra is called interstitial cystitis. It is a chronic condition that causes bladder pain, urinary urgency, and frequency.
The exact cause of interstitial cystitis is unknown, but it is believed to be related to a defect in the bladder lining, nerve damage, or an autoimmune response. It is more common in women than in men and can have a significant impact on quality of life. Treatment options include medications to relieve pain and discomfort, bladder instillations to calm inflammation, and lifestyle modifications such as avoiding trigger foods and stress reduction techniques. It is important to work closely with a healthcare provider to develop a personalized treatment plan and to monitor symptoms over time.
learn more about bladder
https://brainly.com/question/31722299
#SPJ11
Where is the perseverance rover scheduled to land on Mars
Gale Creter
Jezero Crater
Holden Crete
Victoria Crater
Biology help A grown tiger began its life as a single fertilized egg. Explain why a tiger looks so much different as an adult than it did as a single fertilized egg.
A fertilized egg or zygote occurs just after the gamete union happened, at that moment the ploidy of the organism is restored, genetically all the genes are on, this means all are active and at that moment it will start cellular multiplication, now each cellular layer will start to differentiate by turning off certain genes, and genes like Hoax genes will start to guide the body plains, meanwhile in an adult animal no just tigers we have that the full-body plane has been already developed and each cellular line has been differentiated, DNA in every cell is methylated as differentiation already occurred, so even when genetically speaking of DNA the sequence is the same in the zygote as the adult tigger the DNA methylation pattern is totally different, without considering the total biomass increase directed by gene expressions.
What processes are required of all life to exist. Even prokaryotes carry these out.
Answer:
energy, a source of nutrients or food and oxygen/carbon
Explanation:
:))
what is the membrane that lines the medullary cavity?
The membrane that lines the medullary cavity is called the endosteum.
The medullary cavity is a hollow space found in the center of long bones, such as the femur or humerus. It is filled with bone marrow and surrounded by a thin layer of connective tissue called the endosteum. The endosteum is the membrane that lines the medullary cavity.
The endosteum consists of a single layer of cells and contains osteoprogenitor cells, which are responsible for bone growth and repair. It plays a crucial role in the remodeling of bone tissue.
Learn more:About membrane here:
https://brainly.com/question/26872631
#SPJ11
The medullary cavity is lined by a membrane known as the endosteum, which contributes to bone growth and repair. The bone's external surface is covered by the periosteum, which contains blood vessels, nerves, and assists in attachment of tendons and ligaments.
Explanation:The medullary cavity is a central cavity located in the middle of certain bones. This cavity is lined with a delicate membranous structure known as the endosteum. The term endosteum comes from 'end-' meaning inside, and 'oste-' meaning bone. This membrane plays a crucial role in bone growth, repair, and remodeling.
Every bone is also surrounded by an external fibrous membrane called the periosteum, derived from 'peri-' signifying around or surrounding. The periosteum contains various blood vessels, nerves, and lymphatic vessels which nourish the compact bone. Additionally, tendons and ligaments attach to the bones at the periosteum.
Learn more about Medullary Cavity here:https://brainly.com/question/37672277
#SPJ6
I NEED SOMEONES HELP FAST
Answer:
Transpiration
Explanation:
Transpiration is the process of water movement through a plant and its evaporation from aerial parts, such as leaves, stems and flowers. Water is necessary for plants but only a small amount of water taken up by the roots is used for growth and metabolism.
hich statement regarding DNA mismatch repair in E. coli is false? O The parental (correct) strand can be distinguished by its methylation. O A single mismatch may require replacing hundreds of nucleotides on the unmethylated strand. OIf both strands appear to be parental (correct), the mismatch repair system can still repair the O It involves exonucleases.
The false statement regarding DNA mismatch repair in E. coli is "If both strands appear to be parental, the mismatch repair system can still repair the mismatch."
In DNA mismatch repair in E. coli, the false statement is that if both strands appear to be parental (correct), the mismatch repair system can still repair the mismatch. In reality, the mismatch repair system relies on the recognition of the parental (correct) strand, which is distinguished by its methylation. The mismatch repair system detects and removes mismatches between the newly synthesized (unmethylated) strand and the parental (methylated) strand.
During DNA mismatch repair, a single mismatch can indeed require the removal and replacement of hundreds of nucleotides on the unmethylated strand. The process involves exonucleases, which are enzymes responsible for removing nucleotides from the end of a DNA molecule. The exonucleases play a crucial role in excising the section containing the mismatched base, followed by DNA synthesis to replace the excised region with the correct nucleotides.
In summary, while the parental strand can be distinguished by methylation, a single mismatch may require the replacement of hundreds of nucleotides on the unmethylated strand, and the process involves exonucleases. However, if both strands appear to be parental (correct), the mismatch repair system does not intervene since it primarily focuses on detecting and repairing mismatches between the parental and newly synthesized strands.
Learn more about E. coli here:
https://brainly.com/question/30511854
#SPJ11
Which of the following forms of plant reproduction is likely to produce a new plant that is different from the parent plant?
Answer:
Sexual Reproduction
Explanation:
Asexual reproduction is when the parent reproduces by its self and the offspring that comes from it has the same genes as the parent and sexual reproduction is when the off spring has different genes because there are more than 2 parents so if the plant is different and my child looks different from me and i sexually reproduced with someone that means the plant has been sexually reproduced.(can i get brainliest)
________is the terms used for a bundle of axons in the central nervous system (CNS) and a ______ is the term used for axon bundles in the peripheral nervous system (PNS)Cerebral spinal fluid; plasmaGanglion; lobeTract; nerve
In the central nervous system (CNS), a bundle of axons is referred to as a "tract," while in the peripheral nervous system (PNS), axon bundles are called "nerves."
The central nervous system (CNS) and peripheral nervous system (PNS) are two major divisions of the nervous system. In the CNS, which includes the brain and spinal cord, a bundle of axons is called a "tract." Tracts are organized pathways that transmit information between different regions of the CNS.
These axon bundles are typically named based on their origin and destination, as well as their specific function.
In contrast, in the PNS, which consists of nerves outside the CNS, axon bundles are referred to as "nerves." Nerves are composed of bundles of axons along with their associated connective tissues, blood vessels, and supportive cells.
They serve as communication pathways between the CNS and various parts of the body, relaying sensory information from sensory receptors to the CNS and transmitting motor commands from the CNS to muscles and glands.
The distinction between tracts and nerves lies in their location within the nervous system. Tracts are found within the CNS, while nerves are present in the PNS, extending from the CNS to different body regions.
Learn more aboutaxon bundles here :
https://brainly.com/question/8600682
#SPJ11
After ingested food is mixed and churned with gastric secretions, the semifluid mass is called a. chyle. b. chyme. c. renin. d. bolus.
After ingested food is mixed and churned with gastric secretions, the semifluid mass is called chyme.
This mixture of partially digested food and gastric juices is produced in the stomach and then released into the small intestine, where further digestion and absorption of nutrients occurs. The chyme is gradually moved through the small intestine by peristaltic contractions, and as it moves along, it is mixed with digestive secretions from the pancreas and liver. Eventually, the chyme is converted into feces and eliminated from the body.
Learn more about ingestion: https://brainly.com/question/23164645
#SPJ11
Why p-nitrophenolphosphate → p-nitrophenol is an ideal reaction for this laboratory assay?
Protein, alkaline, and acid phosphatases are all measured using the non-specific, non-proteinaceous substrate known as p-Nitrophenyl Phosphate (PNPP). So, it is an ideal reaction for this laboratory assay.
What is p-nitrophenolphosphate ?In ELISA and traditional spectrophotometric experiments, para-Nitrophenylphosphate (pNPP) is a non-proteinaceous chromogenic substrate for alkaline and acid phosphatases.The hydrolysis of pNPP by phosphatases releases inorganic phosphate and the conjugate base of para-nitrophenol (pNP).The resultant phenolate has a maximum absorbance at 405 nm and is yellow in colour.Alkaline phosphatase (AP) and protein tyrosine phosphatase are two phosphatases that can be measured using this characteristic (PTP).The material needs to be stored in a dark, shielded area because it is light-sensitive. Before reading and after incorporating the substrate into the mixture, this is equally crucial.Learn more about p-nitrophenolphosphate here:
https://brainly.com/question/22076495
#SPJ4
Which of the following is not a transboundary health hazard along the u.s.-mexico border? a. abandoned tires b. raw sewage c. animal carcasses d. hazardous waste
Answer:
A) abandoned tires
Explanation:
Abandonded Tires are not a transboundary health hazard. Exposure to the vapors emitted by raw sewage can lead to gastroenteritis and E.Coli. Dead animal carcasses can carry several diseases that are detrimental or even deadly for humans. Hazardous substances may irritate the skin or eyes, make it difficult to breathe, and even cause cancer.
Answer:
a
Explanation:
ed
PLEASE ANSWER I NEED THE ANSWERS!!!
Answer:
1: 7.8 cm
2: .7 cm
3: 5.55 cm
For the other questions, you have to use a ruler yourself and measure using cm. :)
1 cm = 10 millimeter. To convert, just add a 0 to the end of cm to find the mm (or move the decimal one place to the right.)
For example, 2.6 cm = 26 mm / 5 cm = 50 mm. Hope this helps!
Which of these is the most likely prediction that the meteorologist would make about the weather? There is a possibility of
precipitation
hurricane
tornado
fair weather
Answer:
Precipitation or Fair Weather
Explanation:
Of these choices, a meteorologist is most likely to predict precipitation. Hurricanes and tornados are relatively rare occurences.
write your best definition of area.
Answer:
the space occupied by a flat shape or the surface of an object.Area:
the amount of space taken up by a 2D shape, measure in square cm, m and so on (cm²,m²)
for example:
Area of a triangle:
Height×base
-------------------
2
or....
Area of a rectangle:
b×h
or...
Area of a circle:
πr²
List at least 3 reasons why scientists can not adequately catalog every species on Earth.
Answer:
One of the reasons we can't get an accurate count is that the bulk of the things that have yet to be discovered and described are in the realm of the very small: insects, bacteria and other microbesExplanation:
I THINK THIS IS HELPFUL
what is the main function of oragnelle in the cell
Answer:The cell organelle is a semi permeable membrane which allows some materials to pass through.
How are chromosomes of an offspring related to that of a parent?
An organism's chromosomes come from the parents. They get some mutations, but they are copies of the parents.
What do the different categories of hurricanes represent
Answer:
Category 1 - Winds 74 to 95 mph (minor damage)
Category 2 - Winds 96 to 110 mph (Extensive damage)
Category 3 - Winds 111 to 129 mph (Devastating)
Category 4 - Winds 130 to 156 mph (Catastrophic damage)
Answer:
I think its wind
Explanation:
because if you see the picture of a hurricane then you can see the wind being strong.
Where did the majority of life originate from: land or ocean?
Answer:
Explanation:
"Life on earth probably began in the depths of the ocean" i qouted it from Royal Society of Chemistry journal Chemical Society Reviews
Which one is odd one out on the basis of respiration:
Amoeba, cockroach, earthworm, euglena
Answer:
Cockroach is you answer.
Explanation:
They do this by using a very efficient breathing system that uses air filled tubes, called trachea, to deliver oxygen directly to cells. Oxygen flows in as required into the tracheal system through valves on the insect, called spiracles. But, sometimes, they shut their spiracles and stop breathing.
why does the cell get longer during anaphase
Answer:chromosomes are separated by a structure called the mitotic spindle and then pulled by the spindle to opposite poles of the cell
Explanation:
The rough endoplasmic reticulum is:
an intracellular double-membrane system to which ribosomes are attached
an intracellular membrane that is studded with microtubular structures
a membranous structure found within mitochondria
only found in prokaryotic cells
The rough endoplasmic reticulum is an intracellular double-membrane system to which ribosomes are attached. So the first option is the correct answer.
Endoplasmic reticulum is a continuous network of membranous tubules that runs through the cytoplasm of a eukaryotic cell. The cytoplasmic endoplasmic reticulum extends from the nuclear membrane. The endoplasmic reticulum, which is the biggest organelle in the majority of eukaryotic cells, is completely encircled by a continuous membrane.It participates in the production of proteins and lipids and typically contains ribosomes attached.There are mainly two types of endoplasmic reticulum:1. Smooth Endoplasmic Reticulum (SER)
2. Rough Endoplasmic Reticulum (RER)
Rough endoplasmic reticulum contains ribosome in theire outer membrane and smooth endoplasmic reticulum does not contain ribosome.Based on the presence of endoplasmic reticulum they are named smooth and rough.
So, the first option is the correct answer.The rough endoplasmic reticulum is an intracellular double-membrane system to which ribosomes are attached.
Learn more about Smooth Endoplasmic Reticulum and Rough Endoplasmic Reticulum from here:
https://brainly.com/question/13118914
#SPJ9
What spheres does the water, or hydrosphere, interact with in this example?
All the spheres interact with other spheres. For example, rain (hydrosphere) falls from clouds in the atmosphere to the lithosphere and forms streams and rivers that provide drinking water for wildlife and humans as well as water for plant growth (biosphere).
13. Some flowers are not brightly colored at all, but have a very pungent odor that smells like rotting meat. How do you think these flowers are pollinated
Answer:
They smell this way to attract flies and beetles, which normally lay their eggs in feces and rotting materials. Tempted by the scent, the insects visit the flowers and inadvertently pollinate them before leaving.
Explanation:
The creature was approximately 1 meter long, with its backbone fused into a large shell covering the body cavity. It had a beaklike mouth, without teeth, and all four limbs were in the form of flippers. Based on anatomical similarities, to which modern animal is Dr. Digger's creature most closely related? zebra bony fish sea turtle snake
Answer: Sea Turtle
Explanation:
Sea turtles especially the green sea turtle Chelonia mydas is the most closely related to Dr Digger's creation having shell covering cavity covering the whole body except head and four limbs known as flippers which make them paddle along swiftly while swimming Thier mouth without teeth is shaped like a beak which makes them perfect herbivores which feed on mostly algae and grasses in the sea. Currently there are about 7 species of the sea turtle.
Answer:
c
Explanation:
sea turtle