This is true. To find what does velocity equal is, you must do v= the square root of 2(Kinetic Energy)/mass. The mass should be in kilograms by the way.
Identify the correct statement about differences between rough and smooth endoplasmic reticulum (ER).
The rough ER has ribosomes on its surface meanwhile smoothe ER does not.
The rough endoplasmic reticulum (RER) has ribosomes on its surface, which makes it appear bumpy and is involved in protein synthesis, whereas the smooth endoplasmic reticulum (SER) is smooth as it lacks ribosomes and is involved in lipid synthesis, calcium storage, and detoxification.
Explanation:The correct statement about the differences between rough and smooth endoplasmic reticulum (ER) is that the rough endoplasmic reticulum (RER) is studded with ribosomes, giving it a textured, bumpy appearance due to these protein-synthesizing organelles. In contrast, the smooth endoplasmic reticulum (SER) lacks ribosomes on its surface, resulting in a smoother appearance.
Functionally, the RER is primarily involved in the synthesis of proteins that are either secreted from the cell, incorporated into the cell's plasma membrane, or destined for lysosomes. The newly synthesized proteins are transported from the RER in transport vesicles that bud off from the ER. Also, the RER's membrane is continuous with the nuclear envelope, facilitating the transport of the mRNA. Meanwhile, the SER has various roles including lipid and steroid hormone synthesis, calcium ion storage, and detoxification of drugs and poisons.
It is important to note both RER and SER are essential to cell function, and they collaborate with each other and other cell structures, like the Golgi apparatus, to coordinate the synthesis and distribution of cellular products.
A unicellular organism that has a nucleus, a cell wall, and the ability to produce spores?
fungi and/or bacteria
A unicellular organism with a nucleus, cell wall, and ability to produce spores likely belongs to specific kinds of fungi, including yeasts and chytrids. These organisms are eukaryotic and utilize spores for reproduction, allowing them to adapt to various environments.
The unicellular organism that has a nucleus, a cell wall, and the ability to produce spores could be from a few different groups. These characteristics are indicative of eukaryotic unicellular organisms, specifically some fungi like yeasts (which are atypical members of generally multicellular or colonial fungal groups most are cup fungi = Ascomycota) and chytrids (Chytridiomycota, which are a fungal group with some colonial members). Yeasts reproduce asexually through a process known as budding, whereas chytrids can reproduce both sexually and asexually, producing zoospores in the latter method.
Spores are haploid cells that can give rise to haploid multicellular organisms or can fuse with another spore to form a diploid cell. This characteristic is crucial in the life cycle of these organisms, allowing them to reproduce and spread in various environmental conditions. Specifically, in a process like the one seen in chytrids where the zygospore germinates, it leads to the production of haploid spores through meiosis, which are then capable of generating new haploid, multicellular organisms through germination.
Select the correct answer from each drop-down menu.
The _____ gets rid of cell waste by breaking down large molecules into smaller ones for the cell to excrete. The ______ helps these waste molecules exit the cell.
FIRST BLANK
-lYSOSOME
-RIBOSOME
-NUCLEUS
SECOND BLANK
-CELL MEMBRANE
-ENDOPLASMIC RETICULUM
-GOLGI APPARATUS
The Lysosome gets rid of cell waste by breaking down large molecules into smaller ones for the cell to excrete. The Cell membrane helps these waste molecules exit the cell.
Lysosomes are organelles that are responsible for breaking down large molecules into smaller ones, and they help the cell to get rid of waste products.
Lysosomes contain a variety of enzymes that are capable of breaking down proteins, lipids, carbohydrates, and nucleic acids. Once these molecules have been broken down, they are released into the cytoplasm of the cell.The cell membrane is responsible for controlling what enters and exits the cell. It is selectively permeable, which means that it allows some molecules to pass through while preventing others from doing so.Therefore, Lysosome and Cell membrane are the correct choices that fits in the blanks.
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The cell membrane allows some,but not all,molecules to cross.What terms describes this property?
A selectively permeable membrane allows SOME but not ALL materials to cross.
Which spheres of Earth are influenced when human-caused air pollution leads to acid rain that dissolves limestone rocks? Check all that apply. atmosphere cryosphere geosphere hemisphere hydrosphere
The spheres of earth that gets influenced by the human caused air pollution which leads to acid rains that dissolves the limestone rocks are atmosphere, geosphere and the hydrosphere.
This is because the atmosphere contains the polluted air which has the components of the acid rain. The acid rains accumulates on the hydrosphere if not collected by the geosphere. The geosphere is the one which is drastically affected by the acid rains as the limestone rocks melts.
atmosphere geosphere hydroshere
Research from several sources is used to support the evolutionary theory that one type of sponge is more closely related to non-sponge animals than it is to other sponges. What does this suggest about classification in the animal kingdom?
Final answer:
Emerging research indicating that some sponges are more closely related to other animals than to different sponges calls for revisions to the animal classification system, considering evolutionary history and genetic data.
Explanation:
The research suggesting that one type of sponge is more closely related to non-sponge animals than to other sponges has implications for the classification in the animal kingdom. This suggests that traditional morphological classification systems might need to be revised in light of molecular and genetic evidence that can uncover deeper evolutionary relationships. Hence, the classification system in zoology, which characterizes animals based on anatomy, morphology, evolutionary history, embryological development, and genetic makeup, might need to adapt to new findings, underscoring the dynamic nature of scientific understanding.
Cleo has a vegetable garden and wants to increase the amount of nitrogen in the soil. How can she most likely do this?
You can buy/use fertilizer products made specifically for the type of vegetable.
Cleo can add several soybean plants to her garden
Which statements describe what geologists study? Check all that apply.
oxygen and other gases that surround Earth.
the solid parts of Earth.
the inside of Earth.
living things on Earth.
the forces that affect Earth.
the rocks and minerals that make up Earth.
The statements that describe what geologists study are:
The solid parts of Earth The inside of Earth The forces that effect Earth The rocks and minerals that make up EarthA geologist is a person that studies the things, characteristics and features that make up the earth. They study the geology of the earth.
Geology is the study of the things that make up the earth. It is also known as geoscience .
Some functions and roles of a geologist include:
Studying the insides of earthStudying of rocksStudying the history of the earthStudying the things that make up the earth, etcAs a result of this, we can see that a geologist studies the things that make up the earth and when doing this, he has a direct relationship with geology.
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Bats hunt using echolocation, in which they send and receive high frequency sounds to locate prey. When bats hear the sounds of others, they typically begin hunting in the same area. As the number of bats hunting in the area increases, individuals become more successful at locating and capturing prey. Some populations of bats live in areas with high levels of noise pollution, such as near heavily trafficked bridges. How might the hunting behavior of bats be affected by such an environment?
It would make it more difficult for the bats to use echolocation, as the sound from the roads would block their echo.
Noise pollution can interfere with a bat's echolocation by drowning out the echoes they rely on to locate prey, potentially reducing their hunting success. Nevertheless, bats may adapt by changing their behavior or developing more sensitive hearing in response to a noisy environment.
Explanation:Bats utilize a sophisticated biological adaptation known as echolocation to hunt their prey. This process involves emitting high-frequency sounds and then listening for the echoes that bounce off objects in their environment. Bats use these reflected sound waves to create a sensory 'map' that helps them locate and capture prey even in complete darkness.
When bats are in areas with high levels of noise pollution, such as near heavily trafficked bridges, their ability to hunt using echolocation can be compromised. The ambient noise can interfere with their ability to detect the faint echoes returning from their prey. As more bats congregate in a noisy area, their collective echolocation may become less effective due to the increased ambient sound, which could result in a reduced success rate in hunting.
However, it is also possible that certain bats might adapt their hunting strategies or develop more sensitive hearing to overcome noise pollution. Studies on the impact of noise pollution on bat hunting behaviors would be needed to determine the precise effects.
after meiosis __genetically different cells are formed
After meiosis Four (4) genetically different cells formed.
ExplanationThe meiosis results in four daughter cells that are haploid, which means they contain half the number of chromosomes of the diploid parent cell.
For example:
A human cell with 46 chromosomes after meiosis will produce 4 cells with 23 chromosomes each.Answer:
4
Explanation:
In a particular leech species, body length is determined by 3 different pairs of alleles at 3 gene loci. Every dominant allele adds 2 mm to the worm’s length. The baseline length is 10 mm.
(a) What is the length of the longest possible leech?
(b) The longest and shortest possible leeches are mated. What is the length of the F1
offspring?
(c) The F1 mate with each other and produce F2 leeches. What is the probability that
the F2 offspring will be as long as the longest parent from the P generation?
What is the probability that the F2 offspring will be the same length as one of their
parents?
(d) Write another genotype that would have the same phenotype as AaBBCc.
(e) What type of inheritance pattern is demonstrated by this example of leech body length?
a. the length of the longest possible leech is 10mm plus 3*2*2mm = 22mm (if all of 8 alleles are dominant at 3 gene loci)
b. The genotype of the longest leech is AABBCC and the genotype of the shortest is aabbccc
P: AABBCC x aabbcc
F1:AaBbCc (3 dominant alleles 3*2mm) 10+6=16mm
c. F1: AaBbCc x AaBbCc
F2: 1/64 is the probability that F2 offspring will be as long as the longest parent from the P generation
19/64 is the probability that the F2 offspring will be the same length as one of their
parents
d. genotype that would have the same phenotype as AaBBCc is AabbCC or aaBbCC…(all with three dominant alleles)
e. The correct answer is Autosomal Dominant Inheritance.
The longest possible leech will be 22mm long.
Explanation:As the baseline length of an leech is 10mm and six allele are coding for and each allele is adding 2 mm in it so the possible longest leech will be 22mm long.
Answer 2:The possible length of their F1 generations will be 16mm.
Explanation:As we are mating the longest and shortest possible leeches so the possible genotype of the next generation will be having three dominant alleles so their length will be 16mm long.
Answer 3:When F1 mate each other then the probability of their next generation having the off springs with P1 length is 0.015625 and the probability of F2 having the same length as parent is 0.328125.
Answer 4:AaBbCC or AABBcc or AAbBcC
These all genotypes will have the same phenotype as AaBBCc
Answer 5:This leech is simply showing the effect of genotype directly on its phenotype. It is also shows the phenomenon of independent assortment. Because every allele is independently showing their effect.
Which is an example of passive transport across a cell membrane? A)osmosis B)exocytosis C)endocytosis D)sodium-potassium pump
An example of passive transport is osmosis. It is the only transport that doesn't require ATP to move something.
process that breaks down glucose to create two molecules of pyruvic acid (pyruvate)
During glycolysis, glucose is broken down in ten steps to two molecules of pyruvate, which then enters the mitochondria where it is oxidized through the tricarboxylic acid cycle to carbon dioxide and water. Glycolysis can be split into two phases, both of which occur in the cytology.
Glycolysis is the process thet breaks down glucose to create two molecules of pyruvic acid. It is the ten steps process in which glucose is break down into pyruvate . Glycolysis occur in the cytoplasm. There is net gain of 2 ATP in the process of glycolysis. Pyruvic acid is the simplest of the alpha - keto acids.
how do u calculate these numbers from least to greatest 6.84, 8 5/7, 6.34, 6 1/4, 8 3/10, 8.15?
Answer:
6.25<6.34<6.84<8.15<8.3<9.142
Explanation:
The best way to compare these numbers is to convert all these numbers into the same form either fraction or decimal.
I will convert all the numbers into decimal.
[tex]6.84 \\8\frac{5}{7} \\6.34\\6\frac{1}{4} \\8\frac{3}{10} \\ 8.15[/tex]
[tex]8\frac{5}{7} \\= \frac{64}{7} \\= 9.142[/tex]
[tex]6\frac{1}{4} \\= \frac{25}{4} \\= 6.25[/tex]
[tex]8\frac{3}{10} \\= \frac{83}{10} \\= 8.3[/tex]
On arranging all the decimals numbers from in ascending order, we get -
[tex]6.25<6.34<6.84<8.15<8.3<9.142[/tex]
15 points!
The replication of DNA occurs during which of these stages of the cell cycle:
A. M
B. S
C. G1
D. G2
:)
When a cell passes the G1 checkpoint it enters the S phase of the cell cycle. During this phase DNA is replicated, so the answer is C
Which is a part of interphase A. G1 phase
B. Telophase
C. Cytokinesis
D. Prophase
The correct answer is A. G1 phase.
Interphase is a part of cell cycle which includes G1, S and G2 phases. G1 phase is also called as first gap phase. During this phase cell grows large in size. It makes copies of cell organelles and makes molecular materials which are required for the later stage of mitotic division.
Interphase is comprised of three stages which are G1, S, and G2 phases. So the correct answer is option A.
Earlier the interphase was called as the resting phase of the cell. However a cell is not actually resting during the interphase rather the cell prepares itself for the cell division or mitosis during this phase.
During the G1 phase cell growth occurs and synthesis of proteins takes place in the cell. Also there is synthesis of organelles as well an increase in the cytoplasm volume. During the S phase synthesis of DNA takes place. During the G2 phase the cell continues to grow and divides the mitochondria.
So the G1 phase involves an increase in cellular contents of the cell.
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BRAINLIEST!!! 38PTS PLEASE HELP!!
Create 3 questions about the cause-and-effect relationship between the genetic code
and gene expression, mechanisms of gene regulation, and/or the role of DNA segments that do not code for proteins.
1.what is the difference between genetic code genes and a gene expression?
2. what is the difference of mechanism genes and the DNA segments between them?
3.what is the effect of all four together or their roles to us?!
I need help with all of this!!!!!!!!!!!!!!!!
how is mitochondrial DNA mtdna typing used in forensic science
Mitochondrial DNA (mtDNA) typing is used in forensic science for it serves as an important tool in determining the recovered damaged, degraded or small sample source of the DNA. Mitochondrial DNA is a small genome that is found in the mitochondria, just outside of the nucleus of the cell.
Answer and Explanation:
The mitochondrial DNA (mtDNA) has a maternal mode of inheritance and, therefore, geneticists can trace the origins of a DNA sample by analyzing the mtDNA of forensic samples
A lab technician observes the red blood cells in a blood sample to have surface antigen B. What alleles does the person who provided the blood sample have?
A) IAIA or IAi
B) IBIB or ii
C)IBIB or IBi
D) IAIB
B) IBIB or ii
Explanation:It means that the blood group of that person is B. so the allele or genotype of that person can be IBIB or ii, homogeneous or heterogeneous.
the answer is c, IBIB or IBi
A pack of wolves kill and eat a deer. What kind of interaction takes place between the wolves and the deer?
This is predation. A predator-prey relationship. The predator catches the prey, kills and eats it for food.
Answer:
predator/pray
Explanation:
i did it on study island
What makes up the cell membrane
The cell membrane is made up of a phospholipids that are arranged into two layers which are called lipid bilayer.
The cell membrane is composed of a phospholipid bilayer with embedded proteins, carbohydrates, and cholesterol. It is semi-permeable, allowing selective transport of substances.
The hydrophobic (water-repulsing) tails of the phospholipids face internal, while the hydrophilic (water-drawing in) heads face outward.
Implanted inside this bilayer are different proteins that carry out fundamental roles. These proteins can either traverse the whole film or connect to its surface. Also, carbs are frequently connected to these proteins on the film's external surface, helping with cell acknowledgment and correspondence. The membrane is able to control the flow of water, organic molecules, and ions through it because of this property, preserving the internal environment of the cell.In outline, the cell layer is comprised of a phospholipid bilayer with implanted proteins, carbs, and in creature cells, cholesterol. This design safeguards the cell's inward parts as well as controls the development of substances all through the cell.
What is the usual cooking time in soup for starchy vegetables, such as winter squash and beets cut to a small dice
Answer:
10 mins
Explanation:
Starchy vegetables like winter squash and beets typically take about 20-30 minutes to cook in a soup.
Explanation:The usual cooking time for starchy vegetables, such as winter squash and beets cut into a small dice, can vary depending on the specific recipe and desired texture. However, as a general guideline, starchy vegetables like winter squash and beets typically take about 20-30 minutes to cook in a soup.
It's important to note that cooking times can be influenced by factors like the size of the dice, the type of stove used, and the thickness of the soup base. It's always best to follow a recipe or check for doneness by testing the tenderness of the vegetables with a fork.
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The _______ climates make up the largest climatic zone on Earth.
Hello!
To answer this question we need to understand the different groupings of climate zones.
TopicalTemperatePolarOf these different types, they can be broken into smaller climate zones such as
PolarBoreal ForestMoutainTemperate ForestMediterranean Dry GrasslandTropical GrasslandTropical Rain ForestDesertBased off research, we learn that Dry climates cover nearly 30% of Earth's surface. Making them the largest climatic zone!
Compare the importance of both biotic and abiotic factors to an ecosystem
Answer:
A biotic factor is a living thing that has an impact on another population of living things or on the environment. Abiotic factors do the same thing, but they are non-living. Together, biotic and abiotic factors make up an ecosystem. To survive, biotic factors need abiotic factors. Hope it helps you .
Explanation:
Scientist observes a pair of separate chromosomes that have genes for the same trait ranch in the same order however some of the release of the genes are different what is the scientist most likely observing?
A. homologous chromosomes with heterozygous alleles
Of the three lipid types phospholipids are more similar to fats true or false
False.
Hope this helps!
which of these is an effect of an algal bloom ?
A. Bacteria are introduced to break down hydrocarbons in an oil spill .
B. materials containing metal are toxic to organisms that live in them .
C. the mercury contained in fish builds up in animals that eat the fish .
D. An increase growth in microorganisms results in oxygen depletion
(apex)
The correct answer is option D
The growth of algal bloom is caused due to excessive runoff rich in the nutrients like nitrogen and phosphorous. This run off comes from the agricultural field.
These nutrients aids in the growth of the algae(microorganisms) in large number. This growth forms a layer on the water body and use the oxygen present in the water and makes the water oxygen deficient.
Answer:
An increase growth in microorganisms results in oxygen depletion
Explanation:
just took it
Two species of frogs mate with each other. The embryo dies after a few cell divisions. What kind of reproductive isolation does this example represent? A. temporal isolation B. mechanical isolation C. postzygotic isolation D. gametic isolation
Answer:
The example of two species of frogs mating with each other, but the embryo dying after a few cell divisions, represents postzygotic isolation.
Postzygotic isolation refers to barriers that prevent the successful development or reproduction of hybrid offspring after mating between different species has occurred. In this example, the embryo dies after a few cell divisions, indicating that there is a barrier preventing the hybrid offspring from developing into a viable individual.
This type of reproductive isolation occurs after fertilization has taken place and can be caused by genetic incompatibilities between the two species. The genetic differences between the two species prevent the hybrid embryo from developing normally, leading to its death.
In contrast, temporal isolation refers to species mating at different times, mechanical isolation refers to physical incompatibilities preventing mating, and gametic isolation refers to barriers preventing successful fertilization. These types of isolation occur before fertilization takes place, whereas the example given in the question occurs after fertilization.
To summarize, the example of two species of frogs mating with each other, but the embryo dying after a few cell divisions, represents postzygotic isolation because it involves barriers preventing the successful development of hybrid offspring after fertilization has occurred.
In ecology,a population is defined as all the
A) members of a single species in the biosphere
B) members of a given genus inhabiting a given area
C) members of a single species ihabiting a given area
D) abiotic and biotic factors in a given location
D) abiotic and biotic factors in a given location.