Answer:
The correct answer option 2. Ulva.
Explanation:
Ulva is a flat green multicellular alga growing from a discoid holdfast. The membrane of the Ulva is 2 cells thin, translucent, and soft and grows attached with or without small disc-shaped holdfast.
The chloroplast is cup-shaped in some cases but a parietal plate in others with 1 to 3 pyrenoids in number. There are some Ulva species that are similar and difficult to differentiate.
Thus, the correct answer is option 2. Ulva.
Fertile land is by the _____________ artist ____________.
Fertile Land is painted by the Dutch artist Van Gogh.
Vincent van Gogh, a Dutch Post-Impressionist painter, is well-known for his landscapes, including paintings of fertile land. One of his famous works depicting fertile land is "Wheatfield with Crows." Van Gogh often depicted the rural life and natural beauty of the countryside, capturing the vibrancy of the fields with his bold use of color and dynamic brushstrokes. His paintings reflect his emotional connection to the land and its cycles of growth and harvest. Another notable example is "The Harvest," showcasing the busy, fertile farmland during the peak of the agricultural season.
What characteristic of life can be seen when a Venus fly trap closes on an insect?
Answer:
death and survival
Explanation:
the fly tried to survive but ended up traped in the venus fly trap the killed :)
A babies iron stores are depleted by approximately how many months after birth?
How does human evolution or natural selection relate to the susceptibility of disease like malaria?
The Pangaea theory supports the theory of plate tectonics because _____.
Answer: The theory is based on the idea that all the present continents were one super-continent.
Explanation:
Pangaea was a supercontinent that existed during the late Paleozoic and early Mesozoic eras, and it began to break apart about 175 million years ago. The theory supports the idea that all the present continents were one super-continent. For an unknown reason, it got separated and created separate smaller continents, which are the ones that exist now.
During adolescence, the _____ matures before the _____ in the brain.
E. which class of substances in model 2, polar or nonpolar, is more likely to be found in high concentrations in the bloodstream of a vertebrate? justify your reasoning.
A scientist separates a population of fruit flies into two groups what would most likely increase the rate of speciation in this population
Two stars, star 1 and star 2 are at almost equal distances from earth
Star 1- 3.61 mass of star
Star 2- 3.59 mass of star
Which stamens is correct
A-Earth exerts almost equal gravitational force on both stars
B-earth exerts more gravitational force on star 1
C-star 1 attracts star2 with greater gravitational force than star 1
D-star 2 attracts star 1 with a greater gravitational force than star 1 attracts star 2
Answer:
Option B and C
Explanation:
The mass of star 1 is greater than star 2 and hence the gravitational force exerted by star 1 on star 2 is greater as compared to the gravitational force exerted by star 2 on star 1
As per the standard equation - gravitational force between two objects is equal to
[tex]= \frac{g* m_1* m_2}{r^2}[/tex]
This equation clearly states that the gravitational force exerted between any two objects is governed by the masses of these objects.
Thus, earth (with constant weight ) exerts more force on star1.
What is the evidence to support the idea that hormones involved in the menstrual cycle do not significantly influence womenâs sexual interest?
What does the immune system monitor continuously to ensure the protection of the body?
In which stage of mitosis do the identical sets of chromosomes uncoil and resume their chromatin form?
In mitosis, chromosomes uncoil and resume their chromatin form in the telophase stage. This is when the nuclear envelope re-forms around the separate chromosome sets, which then uncoil into chromatin. Telophase is followed by cytokinesis.
Explanation:In the process of mitosis, the stage in which the identical sets of chromosomes uncoil and resume their form as chromatin is called the telophase. During this last phase of mitosis, the nuclear envelope begins to reform around the two separate sets of chromosomes now located at opposite ends of the cell. The chromosomes then uncoil, returning to their original loosely arranged chromatin form. This stage is followed by cytokinesis, the final part of the cell cycle, where the cell divides into two separate daughter cells, each having the same number of chromosomes as the original cell.
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The __________ circulation drains all of the organs of the digestive system.
In the peripheral nervous system, _______________ carry messages from special receptors in the skin, muscles, and other internal and external sense organs to the spinal cord, which sends them along to the brain. hormones motor nerves neuromodulators sensory nerves
Victoria has a crate of vegetables that weighs 100 newtons. She exerts a force of 100 newtons to lift the crate with a pulley. What’s the mechanical advantage in this situation? less than 1 equal to 1 equal to 0 more than 1
Answer:
Option B , equal to 1
Explanation:
Mechanical advantage is the ratio of out force to the input force.
Here,
Input force (IF) [tex]= 100[/tex] newtons
Output force (OF) [tex]= 100[/tex] newtons
The mathematical relationship for mechanical advantage (MA) is as follows
[tex]MA = \frac{OF}{IF}[/tex]
Substituting the given values in above equation, we get
[tex]MA = \frac{100}{100} \\MA = 1[/tex]
Thus, mechanical advantage is equal to 1
Option B is correct
According to the endosymbiotic theory, some organelles are believed to have evolved through a symbiotic relationship between eukaryotic and prokaryotic cells. describe three observations that support the endosymbiotic theory.
According to the endosymbiotic theory, mitochondria and chloroplasts are organelles that evolved through a symbiotic relationship between eukaryotic and prokaryotic cells.
The endosymbiotic theory proposes that mitochondria and chloroplasts were once aerobic bacteria, which were ingested by anaerobic bacteria and these types of cells then started a symbiotic relationship.
The lines of evidence that support the endosymbiotic theory include:
Both mitochondria and chloroplasts have bacteria-like ribosomes.Both mitochondria and chloroplasts have their own genetic material (DNA) organized in a circular molecule.Both mitochondria and chloroplasts divide by binary fission (like bacteria).Both mitochondria and chloroplasts have a similar size as prokaryotic (bacteria) cells.In conclusion, according to the endosymbiotic theory, mitochondria and chloroplasts are organelles that evolved through a symbiotic relationship between eukaryotic and prokaryotic cells.
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Bile produced in the liver is stored in the ________ before entering the intestine.
The answer to this question is the gallbladder. The gallbladder is a small organ under the liver that stores bile that came from the liver. The gallbladder functions as a tool to transfer the bile that is used to break-up the fatty foods in the small intestines and it also function to drain waste.
Using the above set-up what is the phenotypic ratio of the offspring of this cross?
a.1:1:1:1
b.3:1
c.1:2:1
d.4:0
The phenotypic ratio of the offspring of this cross is 1:2:1. Hence the correct option is c.
The phenotypic ratio of the offspring resulting from this cross is 1:2:1. This ratio is derived from a dihybrid cross, considering two independently assorting traits. In such a cross, each parent is heterozygous for both traits. The possible phenotypic combinations in the offspring are determined by the various genotypic combinations resulting from the independent assortment of alleles during gamete formation.
In this case, the ratio 1:2:1 represents the four possible combinations of alleles in the offspring. One-fourth of the offspring are expected to be homozygous dominant for both traits (YYRR), two-fourths heterozygous for both traits (YyRr), and one-fourth homozygous recessive for both traits (yyrr). This phenotypic ratio is a classic representation of a dihybrid cross following Mendelian inheritance patterns. Hence the correct option is c.
Protists have a distinct nucleus that is separated from the cytoplasm by the nuclear membrane. True or False
What happens to ovule after fertitillation?
_______ feathers shape the bird and give rigidity to the wings. A. Contour B. Crop C. Down D. Powder
In what ways do ice and snow influence the storage of energy? What evidence supports this?
Is it true that the assyrian people lived in north of mesopotamia near the euphrates river?
Which of the following is a method used to prevent soil depletion?
a-Adding fertilizers
b-Planting grasses on slopes
c-dune fences
The correct answer is option (B) planting grass on the slopes.
The soil depletion can be prevented by adding grasses and smaller plants on the slopes. It keeps the soil intact and prevent the soil from getting erode or blown away.
The fertilizers may decrease the quality of the soil due to the presence of the chemicals,, also, the fertilizers are added to enhance the growth of the crop. The dune fences are used to prevent the sand flow in the deserts, it helps in decreasing the shifting of the sand mass due to wind.
Compare and contrast comparative anatomy and developmental embryology. Provide one similarity, one difference, and an example of each
Give one example about how the structure of a cell can reflect its function
The death of bone tissue due to insufficient blood supply is called:
The death of bone tissue caused by lack of sufficient blood supply is called necrosis. It is commonly seen in severe bone fractures or diseases like osteonecrosis.
Explanation:The death of bone tissue due to insufficient blood supply is called necrosis. When bone tissue doesn't get enough blood, it begins to die, a consequence of a condition known as ischemia. Ischemia typically results from an injury or disease like osteonecrosis, which specifically refers to bone tissue death. For example, if a person fractures a bone so severely that the blood vessels supplying blood to the bone are damaged, the bone may not receive enough blood, thus leading to osteonecrosis.
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The major body structures and organ systems form during which trimester
The fetus can also kick, blink, and grasp. By the second trimester, all structures and body organs have been formed, but are not fully functional, like the kidneys and lungs. The kidneys are the organs that help to filter blood.
How many trimesters are there?Pregnancy has three trimesters, each of which is marked by specific fetal developments. A pregnancy is considered full-term at 40 weeks.
In humans, an unborn baby which develops and grows inside the uterus (womb). The fetal period begins 8 weeks after fertilization of an egg by a sperm and ends at the time of birth.
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The process where a virus takes a segment of DNA from one bacterial cell and inserts it in another bacterial cell is known as
Which nutrient aids in your body’s growth, everyday functioning, and maintenance?