Answers
Answer:
hey how are u doing
Explanation:
answer D
Related Questions
What is the difference between a haploid, diploid, and zygote?
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Answer:
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Haploid" refers to any cell that has 23 chromosomes (half of the total 46). "Gametes" are specifically sex cells that have 23 chromosomes. "Diploid" refers to any cell that has all 46 chromosomes. "Zygote" is the result of two gamete (haploid) cells fusing, and becoming a diploid cell.
Haploid means n, Diploid means 2n, while zygote is the fusion of two gametes that possess a nature of 2n.
What do you mean by Gametes?A Gamete may be defined as a cell containing only one set of dissimilar chromosomes, or half the genetic material necessary to form a complete organism.
Haploid is the quality of a cell or organism having a single set of chromosomes. A Diploid is a cell or organism that has paired chromosomes, one from each parent. In the case of humans, the haploid number is equal to 23, while the diploid number is equal to 46. A zygote is the fusion of two gametes that possess a nature of 2n, which is equal to 46.
Therefore, Haploid means n, Diploid means 2n, while zygote is the fusion of two gametes that possess a nature of 2n.
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why animals need a circluatory system
Answers
Answer:
All cells in the body need to have oxygen and nutrients, and they need their wastes removed. These are the main roles of the circulatory system. The heart, blood and blood vessels work together to service the cells of the body.
Explanation:
A geothermal power plant is like a regular power plant except that no fuel
is burned to heat 3. _____________ into 4.______________. The steam in a geothermal
power plant is heated by the Earth. Like other power plants, they use many of the same
components including 5. ____________________, 6. ____________________ and other
standard power operating equipment.
Answers
Answer: 3. Water 4 steam. 5. Turbine 6. Generator
Explanation:
_____ can be passed from mother to child via breast milk.
Answers
Answer:
3 viruses CMV, HIV and HTLV-I frequently cause infection as a result of breast milk transmission.
What sequence of bases on RNA would match or pair with the following DNA sequence:
ATC
A. ATC
B. GUA
C. UAG
Answers
Which of the following is a protist?
a a mushroom
b a ladybug
C a palm tree
d None of these are protists.
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Answer:
C.a palm tree
Sana makatulong
Carry
An organism has control over inherited traits.
Answers
In order from youngest to oldest, what is most likely the correct order for the rock layers??
Answers
Answer: 1, 5, 2, 3, 4.
Explanation: Using process of elimination layer four should be the oldest and the only one that has layer four last is number 2. Therefore I assume it is number 2.
ubicación corporal del gusto
Answers
Answer:
La sensación de sabor se percibe utilizando dos sentidos corporales simultáneamente: el gusto, detectado en la boca, principalmente en la lengua, y el olfato, radicado en las fosas nasales, en donde se detecta el aroma
Which block has the lowest density?
Answers
Answer:
Explanado yo have a picture
During meiosis, which of the following allows for variations in alleles in the gametes
formed?
A) homologous chromosomes stay together
B)chromosome crossover
C)daughter cells identical to parent cells
D)Genetic drift
Answers
Answer:
D. I'm pretty sure at least
To model ocean water in different places on Earth, a student pours equal amounts of water in two containers. He adds the same amount of salt to each container and stirs until the salt is completely dissolved. He places Container 1 in a cool place in the house and Container 2 outside in the sunlight. After two hours, he tests the salinity of water in each container. What should the student MOST LIKELY conclude, and why?
Answers
Answer:
The correct answer would be - container 2 will have less salinity than container 1.
Explanation:
The given experiment can give an idea about how the temperature of surroundings can affect the salinity, volume, and density of the water that has the same amount of water and salt dissolved in it. The independent variable or the only variable that is different is their place that has a difference in the temperature. Container 1 is placed in a cool place while container 2 is placed in sunlight.
We know that the warmer the water it takes more space so, therefore, less density. Density and salinity both have a positive relationship so an increase in density increases the salinity and vice versa. Thus, here the salinity of container 2 would be low in comparison to container 1
QUICKLY!!
If the DNA strand is ATTTAG, what is the mRNA strand?
Answers
If a father has the genotype DD and a mother has the genotype dd, what would be the child’s genotype
Answers
Identify one environmental factor that could cause a base sequence in
DNA to be changed to a different base sequence.
Answers
Explanation:
Environmental exposure to certain chemicals, ultraviolet radiation, or other external factors.
Drag the tiles to the boxes to form correct pairs.
Match the causes with their effects.
injecting fracking fluids
into the ground
oil spills during transport
on a ship
deforestation
destroys animal habitats and
causes topsoil to erode
pollutes groundwater with
dangerous chemicals
harms aquatic creatures
and vegetation
Answers
It destroys animal habitats and causes topsoil to erode- deforestation 2) pollutes groundwater with dangerous chemicals- injecting fracking fluids into the ground 3) harms aquatic creatures and vegetation- oil spills during transport on a ship.
What is fracking fluids?In order to enhance the amount of hydrocarbons that may be extracted, drilling operations use fracking fluid (also known as frac fluid). The fluid stops the well from corroding. Among other things, it prevents blockages, bacteria from growing, and lubricates the extraction process.
In summary, the chemical composition varies from well to well and is complicated. Depending on the exposure amount, several of these substances can be dangerous to human health.
According to estimates from the oil and gas sector, chemical additives only make up about 1%.
Therefore, It destroys animal habitats and causes topsoil to erode- deforestation 2) pollutes groundwater with dangerous chemicals- injecting fracking fluids into the ground 3) harms aquatic creatures and vegetation- oil spills during transport on a ship.
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Answer:
injecting fracking fluids into the ground - pollutes groundwater with dangerous chemicals
oil spills during transport on a ship - harms aquatic creatures and vegetation
deforestation - destroys animal habitats and causes topsoil to erode
Explanation:
Plato
7. (True Story) In Denmark, a husband and wife who had been unsuccessfully trying to have a
baby went to a fertility clinic. Sperm and eggs were collected from father and mother, and
combined in a petri dish, creating several "test-tube babies". These babies were implanted in the
mother and 9 months later she ſlelivered twins, one with lightly pigmented skin and one with
darkly pigmented skin. Because this seemed strange, a DNA test was conducted and it was
found that both children were related to the mother, but only the light skinned child was related to
the father. How can this be explained? (Hint, there was no infidelity)
Answers
Answer:a
a possible explanation for this occurrence is that a test tube or dropper was accidentally used repeatedly without being sterilized, causing sample cross-contamination. DNA in this test case did not confirm that the father of the second child was another client of the fertility clinic who had never met the mother...therefore this is a possibility.
Explanation:
positive impacts humans have on water
Answers
Answer:
Positive Human Interaction When people build dams channeling off large bodies of water, the water builds up along the edge of the lake, pond, or stream creating very fertile soil from the constant watering and these areas on the outside of lakes and ponds are used by humans for growing and farming crops.
Explanation:
Why is it important for your brain to control many functions automatically?
Answers
Answer:
The brain controls what you think and feel, how you learn and remember, and the way you move and talk. But it also controls things you're less aware of — like the beating of your heart and the digestion of your food.
Think of the brain as a central computer that controls all the body's functions. The rest of the nervous system is like a network that relays messages back and forth from the brain to different parts of the body. It does this via the spinal cord, which runs from the brain down through the back. It contains threadlike nerves that branch out to every organ and body part.
Explanation:
If you brain does not, or is unable to perform multiple tasks automatically, you could have trouble breathing on your own, your heart could have problems, even your thought process, movement, and digestion could malfunction. Which could cause a multitude of complications.
Hope this helped, have a great day/night :}
Who invented the microscope and was the first person to describe cells?
Who was the first scientist to refer to cells in cork tissues?
Answers
Answer:
The cell was first discovered by Robert Hooke in 1665 using a microscope.
The first cell theory is credited to the work of Theodor Schwann and Matthias Jakob Schleiden in the 1830s.
Hooke had discovered plant cells -- more precisely, what Hooke saw were the cell walls in cork tissue. In fact, it was Hooke who coined the term "cells": the boxlike cells of cork reminded him of the cells of a monastery.
Answer:
1. Zacharias Janssen invented the microscope, while the first to describe cells was Robert Hooke
2. Robert Hooke was the first scientist to do so
A chromosomal alteration in which one or more
pairs of homologous chromosomes fail to separate
normally during meiotic cell division is known as... 1.)an addition
2,) crossing over
3.) nondisjunction
4.) translocation
Answers
I need help please I wanna pass this class
Answers
Answer:
Explanation:
Answer: I mean the instructions are pretty clear and you still ask for help?
FIRST TO ANSWER GETS 25 POINTS AND BRAINLYEST A. Describe how electricity is generated in a coal power plant.
B. Provide one example of a RENEWABLE ENERGY SOURCE that creates electricity
in a "similar" way.
Answers
Answer:
A. By burning coal in a boiler to produce steam. The steam produced, under pressure, flows in a turbine, which spins a generator to create electricity
B. Wind turns the propeller-like blades of a turbine around a rotor, which spins a generator, which creates electricity
Which of the following two elements are most likely to form an ionic bond.
H and s
Mg and O
C and O
H and Cl
Answers
Answer:
the answer would be magnesium and oxygen
Explanation:
hope this help
Answer:
thw answer is magnesium and oxygen
Unlike other organelles, ribosomes are not surrounded by a
Answers
Answer:
1. Membrane
Explanation:
Answer:
a membrane
Explanation:
Why is sexual reproduction associated with meiosis? meiosis reproduces identical DNA meiosis is the complete process of sexual reproduction meiosis helps to generate variability meiosis produces gametes
Answers
Answer:
meiosis produced gametes
Explanation:
During sexual reproduction, meiosis generates genetic variation in offspring because the process randomly shuffles genes across chromosomes and then randomly separates half of those chromosomes into each gamete. The two gametes then randomly fuse to form a new organism.
Hope it right
When did the Paleozoic Era begin?
66 million years ago
400 million years ago
4 billion years ago
550 million years ago
Answers
The Paleozoic Era began approximately 550 million years ago and ended approximately 252 million years ago.
What is Paleozoic Era?The Paleozoic Era is a geological epoch that lasted about 541 million years and ended about 252 million years ago.
It is also known as the "Age of Invertebrates" because it witnessed the rise and dominance of numerous invertebrate groups, including trilobites, brachiopods, and ammonites.
From oldest to youngest, the Paleozoic Era is divided into six periods: the Cambrian, Ordovician, Silurian, Devonian, Carboniferous, and Permian.
Many significant events in the evolution of life on Earth occurred during this time period, including the Cambrian period's explosion of diversity, plant and animal colonization of land, and the emergence of reptiles and insects.
Thus, the answer is 550 million years ago.
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The process of photosynthesis only impacts plants and their ability to survive.
Group of answer choices
True
False
Answers
True
Explanation:
true because photo synthesis helps only to survive because they can prepare food only in persence of chlorophyll
Neural crest cells appear on the edges of the neural tube and spread throughout the embryo, giving rise to all of the following structures except __________. Neural crest cells appear on the edges of the neural tube and spread throughout the embryo, giving rise to all of the following structures except __________. pharyngeal slits (or clefts) of invertebrate chordates some of the bones and cartilage of the skull sensory capsules in which eyes and other sense organs develop. teeth
Answers
Answer:
The correct answer is ''pharyngeal slits (or clefts) of invertebrate chordates.''
Explanation:
The neural crest is a temporary structure that develops as the neural tube closes. Its migratory capacity and subsequent distribution during development is a basic point in the general embryonic development and of most organs and structures in particular.These cells contribute to the formation of head cartilage and tooth dentin in fish embryos; and a large number of tissues and structures are formed from the migration of neural crest cells. Invertebrate chordates are animals of the Chordata phylum that have a notochord at some point in their development, but do not have a backbone. With a hollow nerve cord, neural tube. It appears by invagination of the dorsal surface; the tube is formed with a central cavity lined by ependyma; the anterior part of the neural tube gives rise to the brain. The neurenteric canal is a communication channel between the neural tube cavity and the intestine. The pharyngeal clefts (pharyngotremia), originally used for food; It is a filtering device that retains food particles that are included in mucus and transported to the intestine. In fish it already acquires respiratory function. In the ventral part, a groove is formed with cilia and bands of glands: endostyle or hypobranchial groove.
2.) State the relationship between photosynthesis and cellular respiration.
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Answer:
Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.
Explanation: