Answer:
Read this you will find the answer :)
Explanation:
The body identifies antigens as dangerous and stimulates antibodies to attack them. ... The first time the body encounters a germ, it can take several days to make and ... disease just before or just after vaccination could develop symptoms
what is percentage of oxygen of inhaled air
Answer:
21%
I hope this helps!
What is the first step of DNA replication?
A. Free nucleotides bond together in the correct sequence.
B. A single-stranded RNA molecule forms.
C. The DNA transfers its information to RNA through an amino acid.
D. The DNA molecule unzips along weak hydrogen bonds.
Answer:
D
Explanation:
The first step in DNA replication is to 'unzip' the double helix structure of the DNA molecule. This is carried out by an enzyme, called helicase which breaks the hydrogen bonds? holding the complementary bases of DNA together
DNA replication is the biological process of producing two identical replicas of DNA from one original DNA molecule. The option (D) is correct.
DNA replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell.
Moreover, DNA must replicate (copy) itself so that each resulting cell after mitosis and cell division has the same DNA as the parent cell. All these cells, the parent cell and the two new daughter cells, are genetically identical.
Therefore, DNA replication is the process of creating two identical daughter strands of DNA. DNA replication occurs in the nucleus in eukaryotic cells and in the nucleoid region in prokaryotic cells. DNA replication occurs in S phase during the cell cycle prior to cell division.
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what are things Animal Cells have Only
Answer:
Animal cells have centrosomes (or a pair of centrioles), and lysosomes, whereas plant cells do not. Plant cells have a cell wall, chloroplasts, plasmodesmata, and plastids used for storage, and a large central vacuole, whereas animal cells do not.
Explanation:
hope this helps :D pls mark brainliest :D
When a cause of death is density _____________________, a certain proportion of a population dies regardless of the population’s density.
Answer:
Independent
Explanation:
A density dependent factor would cause a downfall to the population based on its numbers, like a disease. A density independent factor would affect it regardless of the population size, such as a storm or cold winter.
please . help. thank you .
Answer:
The oldest rock layer is letter E and the youngest is letter A
Explanation:
Soil piles on top of each other as time goes on via weather
Explain the concept Conservation of Matter
Answer:
Concept of Conservation: Matter cannot be created or destroyed. Matter can only change forms!
Explanation:
conservation of matter - a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system
The first filial (F1) generation is the result of?
Answer:
F1 is the result of two cross-pollinated parent plants.
Explanation:
So basically, when you cross two true breeding parent plants, then the offspring is known as the F1 generation i believe.
5. Which of the following about Mendel's Law of Segregation is false?
a. It states that each of two alleles for a given trait segregate into different
gametes
Explanation:
Each gamete has an equal probability of containing either allele.
How are resources allocated?
Answer:
In economics, resource allocation is the assignment of available resources to various uses. In the context of an entire economy, resources can be allocated by various means, such as markets, or planning.
Explanation:
Hope this helps :)
all of the following contain only glucose exept
Answer:
I didn't understood sorryExplanation:
sorry
What is pushing apart North America and Eurasia?
Answer:
The North American and Eurasian Plates are moving away from each other along the line of the Mid Atlantic Ridge. The Ridge extends into the South Atlantic Ocean between the South American and African Plates.
Some cells have multiple dendrites and/or axons. What advantages does this have for the nervous tissue?
Answer:
It receives information from several cells.
Explanation:
The main advantage of cells having multiple dendrites and/or axons is that it receives information from several cells as compared to those cells which have one dendrite and receive information from only one cell. If neurons have hundreds or thousands of dendrites, so these dendrites allow the cell to receive information from thousands of other cells. So we can say that dendrites number plays a key role in nervous tissue.
__are to ribosomes as lipids are to__
A) Sugars; peroxisomes
B) Carbohydrates; rough endoplasmic reticulum
C) Nucleoli; lysosomes
D) Proteins; smooth endoplasmic reticulum
Proteins are to ribosomes as lipids are to smooth endoplasmic reticulum. Details about functions of organelles can be found below.
What are organelles?Organelles are specialized structures in the cells of living organisms that perform specific functions in the cell.
Examples of organelles are as follows:
RibosomeNucleusEndoplasmic reticulumVacuolesMitochondriaHowever, ribosomes are involved in the synthesis of proteins while the smooth endoplasmic reticulum are directly involved in the synthesis of lipids.
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Can you identify the different parts of the water cycle?
describe why the marine environment is the least stressful for cells to survive in.
What is medication? Choose all that apply.
a medicine or drug
comes only in tablets
an agent to cure
an aid for diagnosis
Answer:
1,3,and 4
Explanation:
Answer:
1. a medicine or drug
3. an agent to cure
4. an aid for diagnosis
Took the assignment on edge 2021
What happens during the first two stages of cellular respiration?
Answer:
Cellular respiration uses energy in glucose to make ATP. Aerobic (“oxygen-using”) respiration occurs in three stages: glycolysis, the Krebs cycle, and electron transport. In glycolysis, glucose is split into two molecules of pyruvate. ... Life first evolved in the absence of oxygen, and glycolysis does not require oxygen.
Explanation:
Got it from Goog|e >.<
what are 3 positive things human do that impact the environment ?
Answer:
Ways in which people positively affect ecosystems around the world include: Recycling. Establishing wildlife preserves and parks. Creating green, open space laws.
Explanation:
:D
What is the answer for this one?
Answer:
Explanation:lol I n
The stage of meiosis where the chromosomes do not move apart equally and cause chromosomal abnormalities is
Answer: anaphase
Explanation: Nondisjunction can occur during anaphase of mitosis, meiosis I, or meiosis II. During anaphase, sister chromatids (or homologous chromosomes for meiosis I), will separate and move to opposite poles of the cell, pulled by microtubules
Hope this helps :)
Which sphere of the Earth system includes snowfields, ice caps, and frozen ground?
What is a characteristic that helps a living thing survive and
reproduce in a given environment called?
Answer: An adapation
Explanation:
This is the chemical reaction that occurs duting photosynthesis, identify which of these is a product in this chemical
reaction
In a food chain the flow of energy is Always___.
one-way
reversible
two-way or
uncontrolled
Would a cross of two
dwarf-height pea plants pro-
duce regular-height offspring?
Hint: Use a Punnett square to
determine the answer
Answer:
no
Explanation:
in the punnet square, your results would be 4 dd. 100% chance of a dwarf sized plant
A scientist has been tracking and studying a population of deer in Yellowstone National Park. He surveys the population every six months. Usually, the population is thriving and has a gene pool with a wide variety of traits. But during one six-month period, an event occurred that affected the population, and when the scientist returned, the amount of genetic variation had decreased significantly. Which of the following is most likely the event that occurred to change the population? Yellowstone National Park expanded its borders. A population of wolves was introduced into Yellowstone National Park. The amount of disease in the deer population decreased. More grass and shrubs were planted in Yellowstone National Park.
Answer:
[tex]\boxed {\boxed {\sf B. \ A \ population \ of \ wolves \ was \ introduced \ to \ Yellowstone \ National \ Park }}[/tex]
Explanation:
Let's evaluate each choice. Remember we are looking for an event to decrease the genetic variation and population.
A. Yellowstone expanded its borders
If the park expanded, it's likely the population would increase. There would be more space and resources for the deer.B. A population of wolves was introduced
A wolf is a predator that preys on deer. If they were introduced, they would use the deer as a food source and decrease the population.B seems like a good answer, but let's check the others.
C. The amount of disease in the deer population decreased.
This would help the deer population. Less disease means fewer deaths and a greater population.D. More grass and shrubs were planted in Yellowstone
Deer are herbivores, so grass and shrubs would provide more food. This would keep the deer nourished and healthy, meaning a greater population.The best answer choice is B: A population of wolves was introduced into Yellowstone National Park
Answer:
answer B is correct I just took the test!
Mary Jane's red hair is a recessive trait. If Peter is heterozygous for hair color, what is the chance their baby will have red hair?
A: 3/4
B: 2/4
C: 1/4
D: 0
DNA passes information to RNA during which process:
a
repication
b
translation
c
transformation
d
transcription
I need help on this question
Answer:
B
Explanation:
Because the turtles are testudines.
The answer to the question is A
What is a biotic factor of a tropical rainforest biome?
O plants
rainfall
soil
O temperature
Answer:
Plants
Explanation:
biotic means living
Plants are the only living thing out of the answer choices