According to the information on the periodic table, which of the following could represent element X?
A. Aluminum (Al)
B. Sodium (Na)
C. Chlorine (Cl)
D. Nitrogen (N)
Answers
chlorine because it has 7 electrons on the outer shell
Related Questions
during the light reactions of photosynthesis protons are actively transported:
Answers
Answer:
During photosynthesis a proton gradient is maintained by the active pumping of protons across the thylakoid membrane into the lumen of the thylakoid. ... The light dependent reactions require photosynthetic pigments that are found embedded in the thylakoid membrane.
During photosynthesis a proton gradient is maintained by the active pumping of protons across the thylakoid membrane into the lumen of the thylakoid.
What is light reaction?The initial step of the photosynthesis process is called the light reaction, and it is at this stage that solar energy is turned into chemical energy in the form of ATP and NADPH. Both the protein complexes and the molecules of the pigment contribute to the synthesis of NADPH and ATP.
The thylakoid discs are the locations of the light response that takes place. There, oxygen (O2) is produced as a byproduct of the oxidation of water (H20). After being released from water, the electrons are then transferred to ATP and NADPH. Outside of the thylakoids is where the dark reaction takes place.
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Although all organelles of the eukaryotic cell interact with each other within the cell to maintain homeostasis, the mitochondrion has a unique evolutionary history. It is proposed that this organelle originated as an engulfed aerobic bacterial cell that lived in a symbiotic relationship with its host cell. This explanation for the origin of the mitochondria can be supported by multiple lines of evidence. Select ALL statements that could provide accurate support for the theory of endosymbiosis as it relates to the mitochondrion. A) Mitochondria have multiple membrane layers. B) Mitochondria are the largest and most numerous organelle in the cell. C) Mitochondria have their own ribosomes separate from the ribosomes in the cell. D) Mitochondria have their own DNA that resembles the circular chromosome of bacteria. Eliminate E) Mitochondria have the ability to control when the cell undergoes mitosis or exits the cell cycle.
Answers
Answer:
A
C
D
Are correct
Hope it helps
What's a recycling plant and how are electromagnets used there?
Answers
Answer:
A recycling plant is a factory for processing used or abandoned materials. The different types of recycling plants include those that process glass, metals, and paper back into raw materials. Other plants focus on items that require complicated recycling processes, such as concrete, electronic equipment and various plastics.
Electromagnets are used to lift and manoeuvre the crushed up ferrous materials or again to extract them from a pile of scrap. Ferrous materials are heavy and sharp but with the strength of the electromagnets they can be lifted and moved around with ease.
Hope that helped. x
which adaptation do ferns, gymnosperms, and angiosperms have that mosses do not have?
Answers
Answer:
pollen and seeds
The adaptation do ferns, gymnosperms, and angiosperms have that mosses do not have they have seeds and pollen for reproduction.
What do mosses not have?Mosses make up the majority of bryophytic plants. They are small plants with a simple structure, they do not have conducting vessels, flowers and seeds.
Ferns have a vascular system that transports food, water and minerals to the upper parts through hair-like roots. Mosses do not have true roots or a vascular system. Instead, they absorb water and minerals from the soil where they grow.
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During transcription, a strand of mRNA is made based on the DNA template in the _______________.
help!!!!
Answers
Answer:
During transcription, a strand of mRNA is made based on the DNA template in the nucleus.
Explanation:
Hope this helps.
Construct a food web red fox
Answers
Answer:
rabbit
Explanation:
herbivore
Why does Earth experience different seasons?
the revolution of Earth on its own axis in 24 hours
the revolution of Earth on its own axis in 24 hours
the presence of the Moon in between the orbit of the Sun and Earth
the presence of the Moon in between the orbit of the Sun and Earth
the distance between the Sun and Earth changing throughout the year
the distance between the Sun and Earth changing throughout the year
the variation in the amount of sunlight received due to the tilt of Earth’s axis
Answers
Answer: The answer is because of the variation in the amount of sunlight received due to the tilt of Earth’s axis.
What planets have solid surfaces, few to no moons, and no ring systems? *
Answers
Answer:
Saturn. Saturn's rings are the most extensive ring system of any planet in the Solar System, and thus have been known to exist for quite some time. Galileo Galilei first observed them in 1610, but they were not accurately described as a disk around Saturn until Christiaan Huygens did so in 1655.
Explanation:
That's right, Venus (and the planet Mercury) are the only two planets that don't have a single natural moon orbiting them. Figuring out why is one question keeping astronomers busy as they study the Solar System.
which two organelles in eukaryotic cells originated from prokaryotes?
Answers
Throughout the course of evolution, organelles such as mitochondria and chloroplasts (a form of plastid) may have arisen from engulfed prokaryotes.
identify 2 special facts about the spongy parenchyma cell
Answers
Answer:
1- Parenchyma makes up the chloroplast-laden mesophyll (internal layers) of leaves and the cortex (outer layers) and pith (innermost layers) of stems and roots; it also forms the soft tissues of fruits.
2- The parenchyma remains a living cell at maturity. It is also the most common cell type, performing diverse functions, e.g. photosynthesis, storage, and secretion.
Explanation:
during replication strands of DNA separate from each other when bonds are broken between..
A. phosphates
B. deoxyribose sugars
C. nitrgen bases
D. amino acids
Answers
During replication strands of DNA separate from each other when bonds are broken between nitrogen bases. Therefore, option (C) is correct.
What is DNA replication?The biological process of creating two identical copies of DNA from a single original DNA molecule is known as DNA replication. All living things replicate their DNA, which is the most crucial component of biological heredity.
There are two stages to the beginning of the DNA replication process. To begin, a protein known as an initiator unwinds a portion of the DNA double helix along a very short region. After then, a protein that is known as helicase attaches itself to the DNA strands and breaks the hydrogen bonds that are present between the bases. This results in the two strands of DNA being separated.
When two single strands of DNA are cut apart, a 'Y'-shaped structure is produced that is referred to as a replication 'fork.'
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briefly describe how you can tell when you are repaying the oxygen deficit
Answers
You are repaying the oxygen deficit when you have elaborated breath after a long workout.
We can define oxygen deficit as the difference between the oxygen that our body needs during a workout and the one that it gets, which is not enough.
We can tell when our body is repaying the oxygen deficit when our breath is elaborated. What our body is trying to do is to expel carbon dioxide and take as much oxygen as it needs with quick and short breaths.
In conclusion, elaborated breath is a sign that we are repaying the oxygen deficit.
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By what method do bivalves gain food for nutrition?
They absorb the nutrients they need.
They are filter feeders.
They use their radula to scrape objects to use for food.
Answers
Answer:
They absorb the nutrients they need.
Explanation:
Answer:
They are filter feeders.
Explanation:
i took the test
how long does it take for food to be digested and pooped out?
Answers
Answer:
The food you've eaten goes down your oesophagus to your stomach, then to your small intestine, large intestine, and out out the anus during digestion, which can take anywhere from 24 to 72 hours.
Explanation:
Answer:
Lol going to copy his answer for points
Explanation:
The food you've eaten goes down your esophagus to your stomach, then to your small intestine, large intestine, and out out the anus during digestion, which can take anywhere from 24 to 72 hours.
what is the specific function of the structure labeled f?
Answers
Answer:
The muscle spindle indicated by F functions as a proprioceptor that is responsive to changes in the length of the surrounding muscle.
Explanation:
The specific function of the structure labeled f is proprioceptor that is responsive to changes in the length of the surrounding muscle.
What is the function of the muscle spindle?The muscle spindle is activated whenever the weight of the body, tending to bend the knees, stretches the muscles. Stimuli are sent to the spinal cord and through the motor nerve and the muscles contract to counteract the action of gravity.
The Muscle spindle is a proprioceptive sensory receptor spindle composed of muscle bundle fibers. Its main function is to signal changes in the length of the muscle on which it is located. Muscle Spindles are structures responsible for mechanical myo-integrity and regulation of muscle contraction/distension.
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Can someone please help me with this asap it would mean a lot
Answers
Answer:
Explanation:
minerals cannot be gas or liquids. last one “They can be liquid, solid, or gas. “
In the area illustrated, what process is evident over time?
Answers
In the area illustrated in the image attached, the biological process which is evident over time is: ecological succession.
Ecology can be defined as the scientific study of the relationship existing between living organisms such as plants and animals with respect to their physical and biological environment (abiotic factor).
In Ecology, ecological succession refers to a process through which the structure of an ecological (biological) community evolves or changes over time.
Generally, there are three (3) main types of ecological succession and these include:
Primary successionSecondary successionCyclic successionFrom the ecological (biological) community illustrated in the image attached, we can deduce that there is an evolution (change) in the species of plants growing over time. This ranges from weeds during the first visit to pine and oak trees during the seventh visit.
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Big brain time The sun is a planet and we are on it true or false >:)!!!!
Answers
Answer:
False.
Explanation:
The Sun is a Star, the Earth orbits the Sun.
Define gamete and zygote. What number of chromosomes does each have?
Answers
Answer:
gamete: a mature haploid male or female germ cell which is able to unite with another of the opposite sex in sexual reproduction to form a zygote. zygote:a diploid cell resulting from the fusion of two haploid gametes. zygote has 46 chromosomes, gamete has 23
Explanation:
What is the difference between sex-linked traits and autosomal traits in humans?
A.
Sex-linked traits only affect females, while autosomal traits affect both males and females.
B.
Sex-linked traits refer to genes that are on the X and Y chromosomes, while autosomal traits refer to genes on all 23 chromosomes.
C.
Sex-linked traits can only be passed from fathers to sons, while autosomal traits can be passed on from both parents to offspring of any sex.
D.
Sex-linked traits are passed on through the X and Y chromosomes, while autosomal traits are passed on through the other 22 chromosomes.
Answers
Answer:
the answer would be b
Explanation:
Organisms use different types of adaptations to aid in their survival. Which of the following is an adaptation that would not help a lion to catch its prey?
a.
group hunting
b.
hyoid bone adapted for roaring
c.
camouflage
d.
keen eyesight
Answers
Answer:
B. Hyoid bone adapted for roaring.
Explanation:
The process of roaring is unrelated to helping a lion catch its prey unlike the other 3 adaptions which would allow for better success rates in terms of finding and catching prey.
Answer:B
hyoid bone adapted for roaring
Explanation:
EDGE 2021
civil society is a voluntary and self mobilized social group.how
Answers
Answer:
xtp7rx
Explanation:
xrpuorzuxulxiufzlzud'udlpxiflzuduld' ilfcgxotcgochpchpvph hpckcgogcupcblckxph jv jx,"'lv lh glad
HELP WITH SCIENCE PLS!!
what change to a property of a light wave would make the light wave appear dimmer?
a. reducing the waves frequency
b. reducing the waves amplitude
c. increasing the waves amplitude
d. increasing the waves frequency
Answers
Answer:
B.
Explanation:
The brightness of light is related to intensity or the amount of light an object emits or reflects. Brightness depends on light wave amplitude, the height of light waves. Brightness is also somewhat influenced by wavelength.
The brightness of light is related to intensity or the amount of light an object emits or reflects.
What is brightness?Brightness depends on light wave amplitude, the height of light waves. Brightness is also somewhat influenced by wavelength.
When a source appears to be reflecting or radiating light, it is said to be bright. It's critical to comprehend the terminology and technology utilized in the lighting sector.
Lumens are a unit of measurement for light output from a bulb. A light's lumen count indicates its brightness; a lower lumen count indicates a dimmer light. Weight is like bananas, To milk are gallons, Lumens enable you to purchase the desired amount of light.
Therefore, The brightness of light is related to intensity or the amount of light an object emits or reflects.
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Genes are long segments of DNA that code for ____________________
Group of answer choices
carbohydrates
proteins
lipids
Answers
Answer:
protein
Explanation:
a specific protein tht functions in one or more types of cells in the body.
Cellulose is the most abundant organic
compound on Earth and is made up of
many monomers linked together to form
the polymer known as cellulose. Which
of these monomers link together to form
the cellulose polymer?
A. glucose
B. DNA fragments
C. water molecules
Answers
what kind of punch do a jelly fish like
Answers
Answer:
a smack
Explanation:
Answer:
Jelly fish like a smack punch.
Explanation:
The mystery of what kind of punch a jellyfish like matched in beautifully with the show's theme - and explained why they're dubbed Scorpion. Scorpions are strongly loyal to the other members of their cyclone group. As they solve their cases, the squad surely creates a ruckus! Scorpions, like other scorpions, have very hard shells and are disliked by many people. A smack is a bunch of jellyfish, and the answer to the riddle is a clever play on the term punch. And, of course, this is what the marines called the team at the start of the show when they intended to make fun of them.
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PLEASE HELP!!!!!!!
How do the organs in the endocrine system work together?
A. Organs produce hormones that change a child's body into an adult.
B. Organs filter toxins from blood and urine.
C. Organs transport oxygen to different parts of the organism.
D. Organs transmit electrical signals throughout the organism's body.
Answers
Answer: The answer is A, organs produce hormones that change a child's body into an adult.
Explanation: The endocrine system is responsible for regulating a range of bodily functions through the release of hormones.
Hormones are secreted by the glands of the endocrine system, traveling through the bloodstream to various organs and tissues in the body. The hormones then tell these organs and tissues what to do or how to function.
all the offspring of a cross between a black-eyed mendelien and an orange-eyed mendelien have black eyes. what is the expected phenotypic ratio of a cross between two orange-eyed mendeliens?
Answers
Answer:
100% orange-eyed mendeliens
Explanation: rr and rr produce rr, rr,rr,rr
The discovery that syphilis led to paralysis and to delusions of grandeur supported the _____ perspective.
Answers
The discovery that syphilis led to paralysis and to delusions of grandeur
supported the somatogenic perspective.
What is Somatogenic perspective?Somatogenic perspective is defined as personality disorder which arise as a
result in changes in the physiological or biochemical aspect of the body. The
personality trait is delusions of grandeur which is when an individual thinks
he has more power or other traits than normal.
Relationship between Syphilis and delusion of grandeurDelusion of grandeur is common in people with Syphilis and can be
classified as being under personality disorder which is why Somatogenic is
the most appropriate choice.
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What is the best way to deal with biodiversity hotspots?