Answer:
There are three major checkpoints in the cell cycle: one near the end of G1, a second at the G2/M transition, and the third during metaphase. Positive regulator molecules allow the cell cycle to advance to the next stage. ... Each successive cell division will give rise to daughter cells with even more accumulated damage.
Explanation:
“Astro” is to do with space, stars
True or False
True
Make me as brain liest
HELP NOW PLZ
Which of the following best describes what happens when an oceanic plate converges with a continental plate?
A: Both plates crumple and a folded mountain range forms.
B: Both plates become fractured, and a series of long faults form on the surface.
C: A deep-sea trench and island arc form.
D: A trench and a mountain range with many volcanoes can form.
Answer:
a
Explanation:
:)
PLEASE HURRY!!!
In the preparation of the Krebs Cycle
a) Glycolysis will be broken down in Pyruvate
b) Pyruvate will be transformed into Acetyl-COA
c) Acetyl-CoA will be transformed into Pyruvate
d) Ethanol will be produced
Answer:
b) Pyruvate will be transformed into Acetyl-COA
(02.07 MC)
Which of the following are sustainable wastewater methods?
1. Graywater used to water yards
II. Chlorination and ozonation disinfection
III. Use of artificial wetlands
Oland 11
O II and III
O I and III
OI, II, and III
Answer:
whats the answer
Explanation:
What is a sister chromatid?
1. a full-sized singular chromosome
2. an irregularly divided chromosomes
3. a complete duplicated chromosome
4. half of a duplicated chromosome
Answer:
4. half of a duplicated chromosome
Explanation:
in mitosis,when a cell splits its called a sister chromatid
Name four ways synthetic fibers are different from each other?
*forensic science*
Synthetic fibers can vary greatly from one another. The main reason they can have such varying characteristics is that they can be of four distinct types.
Synthetic fibers are those that cannot be found in nature, but rather are created by man. They can be of four types:
Nylon RayonPolyesterAcrylicRayon is one of the types of synthetic fibers created by man. One of the weaker fibers, It is commonly referred to as synthetic silk, having many properties similar to those of silk. It is the result of wood pulp being fused with cotton or wool and is commonly used to create beddings and other home decorations, in varying colors.
Nylon shares few, if any, characteristics with rayon. It is a strong and elastic synthetic fiber. In fact, nylon is stronger than steel wire, even though it is created from water, coal and air. Nylon can be found in tents, climbing equipment, toothbrushes, and many more everyday appliances.
Polyester is a stranger form of synthetic fiber. As its name implies, it is formed from the repetition of esters. Polyester is often used for dressing, given its wrinkle-free properties and resistance. However, many kinds of polyesters exist, leading to its use in bottles, wires and more.
Finally, Acrylic is the final kind of synthetic fiber. Acrylic is a fiber which is normally used to replace wool. Acrylic can be seen used in blankets and sweaters. It is also often used to create panels that will imitate glass, which shows exactly how flexible and useful synthetic fibers can be.
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Can someone help me with this
Answer:
you placed prokaryotic and eukaryotic in the wrong positions
hope that helps:)
A trait is :
A: a characteristic
B:a change
C:a removal
what pathogen causes TMV
Answer:
The tobacco mosaic virus infects tobacco and lots of other closely related species like tomatoes and peppers. It is transmitted by contact between plants, either naturally or on the hands of farmers. It infects the chloroplasts of plant leaves and changes their colour from green to yellow or white in a mosaic pattern.
what makes cartilage an unusual connective tissue?
Cartilage essentially lacks blood vessels coursing through the cartilage. The elastic connective tissue is found in the large blood vessels of the body.
Compare and contrast the skeletal body system with immune system
Abstract
In the last two decades, numerous researchers have focused on elucidating the relationship between the skeletal and immune systems with respect to their regulatory mechanisms. It has now become clear that osteoclasts are derived from the same myeloid precursor cells that can differentiate into macrophages and myeloid dendritic cells. In addition, bone and immune cells coexist in the common microenvironment of the bone marrow and are thus influenced by similar mediators. Discovery of a common regulatory mechanism via the receptor activator of nuclear factor kappa-B ligand (RANKL)–receptor activator of NF-κB (RANK)–osteoprotegerin (OPG) axis in both the bone and immune system has not only increased understanding of the fundamental processes of bone homeostasis but has further crystalized understanding of the definitive regulatory correlation between bone and immunity. Moreover, many of the soluble mediators produced by immune cells, including cytokines, chemokines, and growth factors, regulate the activities of osteoclasts and osteoblasts. This increased recognition of the complex interactions between the immune system and bone has led to the development of the interdisciplinary field of osteoimmunology. In this review, we summarize the characteristics of bone cells and the soluble mediators responsible for crosstalk between the skeletal and immune systems. A more complete appreciation of the interactions between immune and bone cells should lead to better therapeutic strategies for diseases that affect either or both systems.
Example of carbohydrates being used for structure or support in a living organism
Answer:
starch, glycogen, cellulose, and chitin
Explanation:
which component of dna are held together by weak hydrogen bonds?
Answer:
the paired bases( nitrogenous bases )
Somebody help me please
Answer:
c
Explanation:
Arrhythmia can cause the heart to beat in which of the following ways?
*d. all of the above
Answer:
d
Explanation:
What is the difference between distance forces and contact forces? What would be an example of each?
Contact forces involve push . Contact forces involve push, pull and friction. ... At a distance At a distance force is when two interacting force is when two interacting objects are not touching, for example: the moon and the Earth's seas. At a distance forces encompasses gravity and magnetism.
What is the rarest bird in the world currently?
Answer:
I believe it is the Bahama Nuthatch. But, I might be wrong, for it is a guess. Please let me know if I am correct or if I am wrong.
Answer:Madagascar Pochards
Explanation: The Madagascar Pochard, or sometimes known as the Madagascan pochard, is a very rare diving duck of the genus Aythya. Thought to be extinct in the late 1990s, individuals of the species were recovered in 2006 near Bemanevika, Madagascar, at Lake Matsaborimena. The species is only found in Madagascar's interior marshes, where it is endemic. The sole wild populations are currently found in Lake Sofia and Lake Matsaborimena. Meanwhile, there are slightly over 50 pochards at Bemanevika.
How do cells maintain water balance through osmosis? (Choose 2)
If a salt water fish is placed in a fresh water aquarium, water will leave the fish's cells.
In the experiment, the only isotonic solution was the 10% salt water solution.
The egg swelled in distilled water because it is hypotonic to the egg's interior.
The concentration of solute is greater inside the egg than it is in the Kayro syrup.
The egg swells when placed in a hypertonic solution.
Answer:
The egg swelled in distilled water because it is hypotonic to the egg's interior.
Explanation:
That's one of them. Im sorry i dont know the other
12.What is an invasive species?
A native species which are added to an area
A keystone species in an environment
A non-native species added to an area
Answer:
An invasive species is an introduced organism that becomes overpopulated and negatively alters its new environment. Although their spread can have beneficial aspects, invasive species adversely affect the invaded habitats and bioregions, causing ecological, environmental, and/or economic damage.
To be invasive, a species must adapt to the new area easily. It must reproduce quickly. It must harm property, the economy, or the native plants and animals of the region. Many invasive species are introduced into a new region accidentally
A keystone species is an organism that helps define an entire ecosystem. Without its keystone species, the ecosystem would be dramatically different or cease to exist altogether. ... Any organism, from plants to fungi, may be a keystone species; they are not always the largest or most abundant species in an ecosystem
An invasive species is an organism that is not indigenous, or native, to a particular area. Invasive species can cause great economic and environmental harm to the new area.
please help its due today 50pts
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You may choose either a plant cell or an animal cell. You must include the following parts of the cell:
Cell Wall (Plant only)
Cell Membrane
Cytoplasm
Nucleus
Endoplasmic Reticulum
Golgi
Ribosomes
Lysosomes
Vacuoles
Chloroplasts (Plant only)
Mitochondria
Cell City Map
Draw (or create a drawing using a program like PowerPoint) a city map and label locations that are analogous to the parts of the cell.
Your map should:
Include illustrations of each location.
A legend that identifies each location and explains how it relates to each part of the cell.
Be colorful, clear, and carefully drawn.
(Solo or Group)
Cell Story
Write a story in which the setting or the characters are analogous to parts of the cell. Throughout your story, you will include footnotes linking your setting elements or characters to parts of the cell. Your explanations must highlight a key characteristic of each part of the cell.
Your story should:
Include representations of each part of the cell.
Include footnotes explaining the links between your representations to the parts of the cells
Be written with proper grammar, spelling, and formatting.
Answer: cytoplasm: a thick solution that fills each cell and is enclosed by the cell membrane.
Nucleus:the central and most important part of an object, movement, or group, forming the basis for its activity and growth.
Explanation:
tissue cultures samples of cancer cells are taken from cancer patients
Answer: Not quite sure how to answer that
Explanation:
what organelle transports materials within the cell
Answer:
The endoplasmic reticulum
Explanation:
hope this helps you if it does please mark brainliest
what process involving cell division results in daughter cells that are not identical to the parent cell?
Answer:
meiosis
Explanation:
Mitosis creates two identical daughter cells that each contain the same number of chromosomes as their parent cell. In contrast, meiosis gives rise to four unique daughter cells, each of which has half the number of chromosomes as the parent cell.
. List the measures to reduce noise pollution.
Answer:
Turn off Appliances at Home and offices. ...Shut the Door when using noisy Machines. ...Use Earplugs. ...Lower the volume. ...Stay away from Noisy area. ...Follow the Limits of Noise level. ...Control Noise level near sensitive areas. ...Go Green by planning trees.what is a chain of molecules linked with peptide bonds
Answer:
polypeptide chain
Explanation:
each amino acid unit in a polypeptide is called a residue. A polypeptide chain has polarity because its ends are different, with an α-amino group at one end and an α-carboxyl group at the other.
A chain of molecules connected by peptide bonds forms a polypeptide, a fundamental component of proteins. Peptide bonds are chemical bonds that link amino acids, the building blocks of proteins. This chain structure determines a protein's shape and function.
A polypeptide is made up of a series of molecules connected by peptide bonds and is an essential component of proteins. The coupling of amino acids is made easier by peptide bonds, which are produced by a condensation reaction between the carboxyl group of one amino acid and the amino group of another.
These amino acids, which are the building blocks of proteins, each have a distinct side chain, or R-group, which influences their characteristics. A polypeptide chain's amino acid composition determines the protein's three-dimensional shape, which is essential to its function. This complex link between structure and function emphasizes the importance of peptide bonds in biological processes.
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a person with an xo genotype is classified as having
The DNA structures of prokaryotic and eukaryotic cells share similarities and differences. One way in which they are the same is that
A. both have sugar-phosphate backbones
B most of the DNA is in the form of plasmids
C both have a singular circular chromosome
D the DNA is packaged into several linear pieces
One way in which the DNA structures of prokaryotic and eukaryotic cells are similar is that both have sugar-phosphate backbones.
The DNAs of all living organisms, be it prokaryotes or eukaryotes, are similar and consists of 3 major chemical groups:
5-carbon deoxyribose sugarsnitrogenous purine or pyrimidine basesphosphate groupThe pentose deoxyribose sugar and the phosphate group form the backbone of the structure of DNA. The sugars are linked together by phosphodiester bonds formed between the carbon 4 of each sugar and the methyl group attached to the phosphate.
The similarity in the structure of DNA of all living organisms is one evidence being used to support the evolution of living organisms from a common ancestor.
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Answer:
Your answer would be A!
Explanation:
both have sugar-phosphate backbones
predict how many molecules of carbon dioxide are produced from the mitochondrial burning of one molecule of glucose?
Your awnser to the question is 3
Hope that helps :)
according to plato, where do souls have to drink before starting their new lives on earth?
According to Plato, the souls of people tend to reincarnation, that is, the souls of each person have had previous lives in which they have developed and have had different experiences.
Thus, as a way to generate an impartiality of the soul, which allows it to start a new life without influences on previous lives, they should drink water from the River of Forgetfulness.
This made the souls unable to remember anything from their previous lives or the adrenal world in which they were before coming back to life.
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Why does road salt cause changes to nearby plants?
Answer:
increasing water stress
Explanation:
The foliage on roadside vegetation is damaged when salted water sprays up from the pavement by passing vehicles. Salt-laden water can also percolate down through the soil profile, coming into contact with soil particles, soil microbes, and plant roots. Salt injures vegetation by: Increasing water stress