Answer:
Organisms with heritable (genetically determined) features that help them survive and reproduce in a particular environment tend to leave more offspring than their peers. If this continues over generations, the heritable features that aid survival and reproduction will become more and more common in the population.
Protozoa are a type of unicellular organisms.
True
False
Answer:
True
Protozoa are eukaryotic unicellular organisms.
It's true lol and why do you take forever to get clothes?
Write the correct genotype. Use B or b for alleles
11. autosomal recessive disorder-
12. autosomal dominant disorder-
13. female sex-linked recessive disorder-
14. male sex-linked dominant disorder-
15. autosomal carrier-
Answer:
11. bb
12. BB
13. XᵇXᵇ
14. XᴮY
15. Bb
Explanation:
b is recessive, someone needs 2 of them to express the trait
B is dominant, someone needs 1-2 of them to express the trait
XX is female, b needs to be on both of the X for the female to express the trait
XY is male, traits are always on the X chromosome, so males need a dominant trait to be on the X for the trait to be expressed
A carrier is someone that has the trait, but doesn't express the trait physically
Mystery Protist A
. Direct sequence data show significant sequence homology to Cyclotella, whose shells are often harvested to be used in industrial filtering.
. Morphological analysis: It is covered by a glassy shell and contains photosynthetic pigments. Reproductive cells have two flagella.
. Field observations: It was isolated from a marine water sample and has been observed gliding via microtubules that extend from its shell.
What is the protists?
Mystery Protist B
. Direct sequence data show significant homology with Giardia intestinalis, the parasite that can cause severe intestinal distress in humans.
· Morphological analysis: It is flagellated and has two nuclei and no cell wall.
· Field observations: It has been observed to reproduce asexually. It was isolated from the feces of cats.
What is the protist?
Mystery Protist C
· Direct sequence data show significant homology with dinoflagellates and apicomplexans.
· Morphological analysis: It has a swimming cell covered with cilia. It has two nuclei—a smaller one and a larger one.
· Field observations: It was isolated from a sample of goat feces and has been observed
reproducing sexually via conjugation, trading its smaller nuclei.
What is the protist?
Mystery Protist D
· Direct sequence data show high homology with Dictyostelium discoideum.
· Morphological analysis: It forms a gigantic, web-shaped cell with many nuclei, and it moves with amoeboid motion.
· Field observations: It was isolated from a forest soil sample.
What is the protist?
Mystery protist E
· Direct sequence data show significant homology to Porphyra, which is harvested for sushi in eastern Asia.
· Morphological analysis: It is red, has photosynthetic pigments, and has no flagella.
. Field observations: It was isolated from an ocean-water sample near a coral reef.
What is the protist?
Mystery Protist F
· Direct sequence data show significant homology to Pyrgo anomala, which contributes to chalk- and limestone-forming sediments.
· Morphological analysis: It has multiple nuclei. It has no cell wall but does have a shell made of calcium carbonate through which pseudopodia extend.
· Field observations: It was isolated from a marine-water sample, in which numerous individuals were found drifting passively in the water, feeding by extending pseudopodia out through openings in their shells. Numerous shells were collected from the ocean floor as well.
What is the protist?
Mystery Protist G
· Direct sequence data show significant homology with diplomonads and parabasalids.
· Morphological analysis: It does not have a cell wall but does have a network of protein molecules just under the plasma membrane that stiffen the cell. It is photosynthetic but produces an unusual carbohydrate unlike starch.
· Field observations: It was isolated from a freshwater sample. It is easy to observe under a light microscope because it actively swims toward light.
What is the protist?
Answer:
The correct answer would be -
A. diatoms
B. Toxoplasma gondii
C. Giardia lamblia
D. Pelomyxa
E. Rhodophyta - Corralinna
F. foraminiferan
G. euglena
Explanation:
1. Protist A
The given characteristics of this protist are similar to the diatoms as diatoms are the protists that are covered with silica-made glassy shells with photosynthetic pigment and the sperm is known to have flagella. found in marine water normally.
2. protists B
Toxoplasma gondii is a parasitic protist that is found in cat feces and homology with Giardia intestinalis and causes GI tract irritation or distress in humans. This parasitic protist have flagella and two nuclei in the cell.
3. protist C
Giardia lamblia is known to have two nuclei and perform conjugation and shows homology with dinoflagellates and apicomplexans. it is known to be present in the feces of the goat covered with cilia.
4. Protist D
Pelomyxa is found in moist soil and has an amoeba-like movement with web-like morphology. it is mold similar to Dictyostelium.
5. Protist E
Corralinna is a Rhodophyta it shows association with the coral reef, has no flagella and contains photosynthetic pigments. It is used in sushi making and is harvested largely for this purpose.
6. Protist F
Foraminiferan shows homology to Pyrgo anomala, which contributes to chalk- and limestone-forming sediments as it has a shell of calcium carbonate found in marine water with small pores on the shell from which the pseudopodia comes out.
7. Protist G
euglena found in freshwater and tends to swim towards the light. Euglena has no cell wall but the membrane has pellicle in it.
help plz..............
Answer:
Should be 50% tell me if Im right
Choose one of the bubbles state whether you think we should develop this technology, and explain your reasoning
Answer:
The green buble
Explanation:
Antibiotics are added to the animal feed or drinking water of cattle, hogs, poultry and other food-producing animals to help them gain weight faster or use less food to gain weight.
Because all uses of antimicrobial drugs, animals contribute to the development of antimicrobial resistance, it is important to use these drugs only when medically necessary.
the production (e.g. growth enhancement) purposes as well as for the treatment, control or prevention of animal diseases. Even today, it is not entirely understood how these drugs make animals grow faster. The drugs are primarily added to feed, although they are sometimes added to the animals’ drinking water.
As mercury moves up the trophic levels in food chains, its concentration
Stays the same
Increases
Decreases
Is eliminated
Answer:
Increases
Explanation:
The concentration of mercury will increases as it moves up the food chain because of biomagnification. For example, a school of small fish consumes a minute amount of mercury each, but then a larger fish eats five of the smaller fish. After this the larger fish has more mercury in its system than one small fish because it ate five small fish (along with the mercury in each of the small fish). Now a seal eats multiple large fish. Overall, the seal has the highest mercury concentration out of all the animals mentioned.
Biomagnification is "the concentration of toxins in an organism as a result of its ingesting other plants or animals in which the toxins are more widely disbursed."
Viruses can perform which of the following processes?
Group of answer choices
Growth
Reproduction; but only in a host cell
Respiration
Movement
Answer:
Reproduction; but only in a host cell
you are asked to prapare a drink that is a heterogeneous mixture.what would you prapare?
a.instant coffee and hot water
b.warm milk
c.soft drinks
d.orange juice with pulp
Drag the given black and white squares to the correct location on the chart. Each square can be used more than once.
The pedigree chart shows the inheritance of an X-linked recessive genetic trait. Fill in the dashed boxes to correctly complete the chart.
Answer:i hope this helps i guess
Explanation:
Answer:
This is correct on PLATO
What environmental condition is different between stratification and storage of seeds?
Group of answer choices
light
temperature
oxygen
moisture
Explain the relationship between DNA, genes, chromosomes, and traits.
Answer:
Genes are contained in chromosomes, which are in the cell nucleus. A chromosome contains hundreds to thousands of genes. Every normal human cell contains 23 pairs of chromosomes, for a total of 46 chromosomes. A trait is any gene-determined characteristic and is often determined by more than one gene
Viruses are specific to the host they infect? True False
Answer:
false
Explanation:
For humans, linoleic acid is one of the essential fatty acids we must consume. It is plentiful in vegetable oils, and we use it to form compounds involved in immune responses. When it is decomposed through a process called b-oxidation, it produces effectively 27 NADH, 9 FADH2 and 9 ATP in the Krebs cycle, along with 9 FADH2 and 9 NADH as part of the decomposition.
Required:
How many ATP should this produce?
Answer:
18 ATP.
Explanation:
Total 18 ATP are produced because 9 FADH2 are converted into 9 ATP molecules and the earlier 9 ATP molecules are already present in the first b-oxidation process. The first Krebs cycle produces 27 NADH, 9 FADH2 and 9 ATP while on the other hand, the second Krebs cycle produces 9 ATP molecules from 9 FADH2 so total it produces 18 ATP molecules.
1. You are studying an intestinal cell that is actively making and secreting digestive enzymes . You know that the enzymes are proteinUsing your knowledge of cell structure and function describe where the enzymes are first made, where they are altered to an active form, how they are transported from one part of the cell to another, and how they are released from the cell Be sure that you mention all cell structures necessary for this activity and explain their functions You may use a diagrambut you also must write a discussion in full sentences
Answer and Explanation:
When mRNA leaves the nucleus and meets a free ribosome in the cytosol, it starts the protein building. Ribosomes read the mRNA code and begin protein synthesis by adding the correct amino acid using transference RNA.
Ribosomes attached to the RER membrane are responsible for synthesizing membrane proteins, exportation proteins, or enzymes.
The synthesis of proteins destined to become enzymes, membrane proteins, or exportation proteins starts in the cytoplasm with the production of a molecule portion known as a signal aminoacidic sequence. This signal sequence in the amino extreme of the synthesizing protein, and when it reaches a certain length, it meets the signal recognizing particle that leads the synthesizing protein and associated ribosome to the Rough endoplasmic reticulum, where it continues the protein building until finishing the elongation process. When the new protein synthesis is complete, the polypeptide is released into the reticulum lumen, suffering a few posterior steps related to conformation and structure, such as folding to become functional and the initial glycosylation stages.
The new proteins get packaged into vesicles that carry them to the Golgi complex where occurs the final association of carbohydrates and lipids with proteins, to originate glycoproteins and glycolipids.
Enzymes destined for exportation are packaged and sent from the Golgi complex to the cell membrane into vesicles. When the secretory vesicle reaches the target, its membrane fuses with the cell membrane, releasing its content to the extracellular space. This secreting process is known as exocytosis.
why can we go for a long time without eating but not breathing
What can impact the severity of weather disturbances along a weather front?
Answer:
Human activity is causing rapid changes to our global climate that are contributing to extreme weather conditions. When fossil fuels are burned for electricity, heat, and transportation, carbon dioxide, a greenhouse gas that traps solar radiation, is released into our atmosphere.
Explanation:
Climate change influences severe weather by causing longer droughts and higher temperatures in some regions and more intense deluges in others, say climate experts. Among the most vulnerable are communities in exposed mo Extreme weather events can lead to substantial impacts, including loss of life, damages to buildings, agricultural production and natural capital, as well as longer term economic effects.untain and coastal regions.
Answer:
Human activity is causing rapid changes to our global climate that are contributing to extreme weather conditions. When fossil fuels are burned for electricity, heat, and transportation, carbon dioxide, a greenhouse gas that traps solar radiation, is released into our atmosphere.
Explanation:
Plz mark brainliest thanks
g The transcriptome of humans shows that (select all that apply): Group of answer choices Approximately 2% of the genome is transcribed Protein coding genes represent the vast majority of the total genome sequence that is transcribed A large number of non-protein coding sequences are transcribed Total transcription changes over time in embryonic stem cells
Answer:
- A large number of non-protein coding sequences are transcribed
- Total transcription changes over time in embryonic stem cells
Explanation:
The transcriptome refers to the totality of RNA molecules (i.e., mRNAs, microRNAs, long noncoding RNAs, etc.) that are synthesized in a given cell type/tissue/development stage. The analysis of human transcriptome has been essential to discover genes and non-coding RNAs expressed at each developmental stage, as well as genes whose expression is associated with human diseases. Next-Generation Sequencing (NGS) information showed that more than 90% of the human genome is transcribed into RNA, especially non-protein-coding sequences (i.e., non-coding RNAs). Moreover, information on the human transcriptome evidenced that global transcription changes occur in pluripotent embryonic stem cells, and these changes are mainly associated with the expression of chromatin-remodeling genes as well as genes responsible to encode the components of the general transcription machinery.
Which cellular change in an organism could be inherited by the next generation?
1.
a change in the ribosomes in the pancreas of a squirrel
2.
the deletion of a single DNA base in a sperm cell of a trout
3.
a decrease in the size of a vacuole in a rose leaf cell
4.
the transfer of a piece of a chromosome in the skin cell of a raccoon
Answer:
4.
Explanation:
Chromosomes are passed on to children. Each parent gives 23 chromosomes to create a full set of 46.
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2. Below is an image of 2 imaginary organisms. Organism A lived hundreds of years ago while organism B is
alive today. Explain how organism A evolved into organism B, including what environmental pressure (i.e.
predator, habitat, competition, etc) you believe guidede natural selection process that worked on this
species.
0-Organism
A
Organism-B
Answer: Click or tap here to enter text.
Answer:
The new modification in Organism B is the tail.
Explanation:
This might indicate that the organism has to sprint in order to catch prey or to get away from predators. The organism is most likely not a prey, since it has sharp teeth, making it a carnivore. The tail helps in stabilizing the animal while running. The animal might have new threats that have developed over the years (like humans).
A cell with a diploid number of 2n = 8 undergoes mitosis. How many
chromosomes will EACH new cell have?
Answer:
8
Explanation:
Mitosis, a type of cellular division, involves the division into two daughter cells that are genetically identical to the parent cell. They are genetically identical in the sense that the daughter cells contain the exact same DNA sequence as the parent cell and also, the chromosome number does not change.
In this case, a cell is said to have a diploid number (2n) of 8 chromosomes. It will therefore, undergo mitosis to produce two daughter cells with 8 chromosomes each. For this reason, mitosis is called MULTIPLICATION DIVISION.
Factors that affect the diffusion
Answer:
Temperature is one factor that can affect the rate of diffusion. Diffusion occurs faster in warmer temperatures, and occurs slowly in cooler temperatures.
Which of the following is an example of a learned behavior? *
crying baby
swimming fish
walking
breathing
Answer:
Walking
Explanation:
Homogenization of rat liver cells results in the rupture of the cell membranes. Centrifugation of this homogenate compacts some of the homogenate into a pellet in the bottom of the centrifuge tube. Bathing this pellet with a solution containing succinate (a four-carbon organic compound), phosphate ions, oxygen, and ADP yields metabolic activity, including the production of ATP and the uptake of oxygen. This pellet most likely contains
Complete question:
Homogenization of rat liver cells results in the rupture of the cell membranes. Centrifugation of this homogenate compacts some of the homogenates into a pellet at the bottom of the centrifuge tube. Bathing this pellet with a solution containing succinate (a four-carbon organic compound), phosphate ions, oxygen, and ADP yields metabolic activity, including the production of ATP and the uptake of oxygen. This pellet most likely contains
1. peroxisomes
2. mitochondria
3. lysosome
4. Golgi complex
5. endoplasmic reticulum
Answer:
2. Mitochondria
Explanation:
Mitochondria are one of the biggest organelles in the cell. They degrade organic molecules, releasing chemical energy from their bindings through a process that consumes oxygen: cellular respiration.
The released energy is stored as ATP through the cellular respiration process and then is used in other cellular activities.
Mitochondria are more grouped in areas or tissues with higher energetical requirements.
As cellular respiration characterizes by consuming oxygen and producing ATP, we can assume that the pellet mostly contains mitochondria.
By considering the components of the pellet, we can deduce that it most likely contains MITOCHONDRIA.
Cellular respiration is a series of reactions by which aerobic cells consume oxygen and nutrients (e.g. glucose) to produce ATP and carbon dioxide.
Cellular respiration has three sequential steps: glycolysis, the Krebs cycle and oxidative phosphorylation.
Mitochondria are the energy center of the eukaryotic cells. The Krebs cycle and oxidative phosphorylation occur in the mitochondria, while glycolysis occurs in the cytoplasm.
The Krebs cycle produces a four-carbon molecule known as succinate.
Adenosine triphosphate (ATP), the energy coin of the cell, is produced from ADP and phosphate (Pi) in the three stages of cellular respiration.
Finally, oxygen is consumed during oxidative phosphorylation.
In conclusion, by considering the components of the pellet, we can deduce that it most likely contains MITOCHONDRIA.
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Explain the trend that is related to biodiversity levels of ecosystems
I need it ASAP
Answer:
Usually three levels of biodiversity are discussed—genetic, species, and ecosystem diversity. Genetic diversity is all the different genes contained in all individual plants, animals, fungi, and microorganisms. It occurs within a species as well as between species.
Most clouds form as ______ air rises in the atmosphere?
a. Cold
b. Dry
c. Polluted
d. Warm
e. All of the above
Answer:
E. hope it helpss......
What would happen to the living things in the pond if you increase the concentration of salt?
Answer:
they would perish
Explanation:
3. What would happen if they crossed yellow jellyfish with coober Complete
the Pummert squire to help you determine the probability for each color of
Sive the possible genotypes and phenotypes for the offspring
What percentage of the offspring would be yellow?
What percentage would be blue
What percenge would be onders green
Answer:
We know that the color of jellyfish is controlled by codominance inheritance pattern and yellow Y and blue B are two alleles and in case of heterozygous the goober or green color occurs then,
If Yellow jellyfish is crossed with goober, that is, YY X YB.
the punnett square will be -
Y Y
Y YY YY
B YB YB
The possible genotype of offspring will be YY, and YB and therefore, the possible phenotype of offspring will be Yellow, and Green. The Percentage of yellow offspring will be 50% as two out of four are dominant for Y allele and two heterozygous conditions that is 50 % and as there are two copies B alleles are not present so zero percent of blue color.
why is protein synthesis diffrent in prokaryotes and eukaryotes?
Answer:
In prokaryotes, translation occurs in the cytoplasm, where the large and small subunits of the ribosome bind to the mRNA. In eukaryotes, translation occurs in the cytosol or across the membrane of the endoplasmic reticulum where the entire ribosome/mRNA complex binds to the outer membrane of the rough endoplasmic reticulum and the new protein is synthesized and released into the ER; the newly created polypeptide can be stored inside the ER for future vesicle transport and secretion outside the cell, or immediately secreted.
Why large pieces of earths crust move around and bump into each other?
Answer:
The large pieces of Earth's crust lay on hot molten rock. These pieces are like a cracked shell and the heat of the hot molten rock causes them to move .
Explanation:
help bonus points
real ans plzz
Answer:
B. A Temperature Of 37°
Explanation:
Hope It Helps U.