Biology High School

Hurry 30 Points! I need help!​

Hurry 30 Points! I Need Help!

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Answer 1

Answer:

We need the directions. Once provided I will then edit this.

Explanation:

Related Questions

Please Help ASAP! 15 Points!

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Because of all the chemicals and paper is made out of them

Who is most closely related to the squirrel monkey?
I appreciate the help!

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Answer:

Lemur

Explanation:

they come from lemur

25. What geographic feature is at an altitude of 0 Km.

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Answer:

a star in the sky

Explanation:

explain how a peach could be used as a physical model of the earths layers

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Answer:

a peach is round the Earth is round

to model the Earth layers you can slice the peach and make layers out of it similar to Earth layers

earth has 4 layers so you'll need to slice 4 parts of the peach

Answer:

It is round and can be cut into slices.

Explanation:

I still believe an onion is better because Onions have Layers

summarize the three general steps involved in chemical
cycling:

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Answer:

Explanation:

Chemical cycles typically involve three general steps: ... As organisms die, decomposers break them down, further supplying the soil, water, and air with chemicals in inorganic form. The producers gain a renewed supply of raw materials for building organic matter, and the cycles continue.

In what way does crossing over influence the genetic variation of offspring?

A. Genes from both parents are interchanged, which increases the number of possible combinations that the offspring can receive.

B. Chromosomes from both parents are interchanged, which increases the number of possible combinations that the offspring can receive.

C. Genes from both parents are kept separate, which reduces the number of possible combinations that the offspring can receive.

D. Chromosomes from both parents are kept separate, which reduces the number of possible combinations that the offspring can receive.

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Answer:

A and B are both correct.

Explanation:

Chromosomes from both parents are interchanged, which increases the number of possible combinations that the offspring can receive.

Plz I really need help I'll give all my points (20)

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Answer:

I think it may be RNA

2. Why
are animals phalanges fused
together?

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The phalanges /fəˈlændʒiːz/ (singular: phalanx /ˈfælæŋks/) are digital bones in the hands and feet of most vertebrates. In primates, the thumbs and big toes have two phalanges while the other digits have three phalanges. The phalanges are classed as long bones.

2 dogs reproduce, 2 sex cells join together & form offspring. The resulting offspring is likely/
) A. Identical to parents
B. Both have traits from each parent.
C. to express only recessive traits

Answers

Answer:

B

They have traits of both parents some of which could be dominant.

The resulting offspring will have traits from each parent. The correct option is B.

What is genetic variation?

The difference in DNA between individuals or between populations is referred to as genetic variation.

Mutation and genetic recombination are two of the many sources of genetic variation. Although mutations are the ultimate source of genetic variation, other mechanisms such as genetic drift also contribute to it.

Heredity, also known as inheritance or biological inheritance, is the transmission of traits from one generation to the next.

Each of your parents has two copies of each of their genes, and each parent passes on only one copy to you.

Many of your characteristics, such as hair and skin color, are determined by genes that are passed down to you.

Thus, the correct option is B.

For more details regarding genetic variation, visit:

https://brainly.com/question/848479

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Complete the following table comparing and contrasting diploid and haploid cells.
Diploid
Haploid
Description
Homologous chromosome pairs
Designated N
Designated 2N
Has one member of each
homologous chromosome pair
Includes gametes
Includes somatic cells
Heart and liver cells
Sperm and Egg cells

Answers

Answer:

Please find the description and it's pair below:

Homologous chromosome pairs - DIPLOID

Designated N - HAPLOID

Designated 2N - DIPLOID

Has one member of each

homologous chromosome pair - HAPLOID

Includes gametes - HAPLOID

Includes somatic cells - DIPLOID

Heart and liver cells - DIPLOID

Sperm and Egg cells - HAPLOID

Explanation:

1. Diploid organism is an organism with two sets of chromosomes, with each set contributed by each male and female parent. Chromosomes from the male parent is found side by side with chromosomes from the female parent to form HOMOLOGOUS CHROMOSOME PAIR in a diploid organism. Diploidy is denoted by 2N, where N represents number of one set of chromosomes. Diploid cells include somatic or body cells such as heart and liver cells.

2. Haploid organisms are organisms that contain one set of chromosome, formed as a result of meiotic division of diploid cells. Hence, a haploid cell contains one member of each homologous chromosome pair. Haploidy is denoted by N, meaning number of one set of chromosome. Haploid cells include gametes or sex cells such as sperm and egg cells.

What system does solid waste, nutrient absorption, food,eating fall into?

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Answer:

Digestive system

Explanation:

What does undescribed organisms mea

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Answer:

In taxonomy, an undescribed organism is a taxon (for example, a species) that has been discovered, but not yet formally described and named.

Explanation:

Answer:

yep hmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmj

Explanation:

What do scientists do when experiments are not possible

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Answer:

Well, to be honest I think that they might just figure out another way to do that experiment.

Explanation: My reasoning is, that if an experiment isn't possible due to complications like maybe it could be to dangours or it could have reaction that they don't know about. So if they aren't able to do an experiment then they might find a safer one to do or they might just skip it and research more about it and see how it would react to certan things.

please help (5 stars no cap)

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Answer: this is plant cell find features that plant cells have that animal cells don't have

Explanation:

Question 9 of 10
How does an atom become a positive ion?
A. It loses an electron,
B. It loses a neutron,
C. It gains an electron
D. It gains a neutron,
SUSAN

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The answer is A it loses and election
Ionization or ionisation is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons, often in conjunction with other chemical changes. The resulting electrically charged atom or molecule is called an ion. Ionization can result from the loss of an electron after collisions with subatomic particles, collisions with other atoms, molecules and ions, or through the interaction with electromagnetic radiation. Heterolytic bond cleavage and heterolytic substitution reactions can result in the formation of ion pairs. Ionization can occur through radioactive decay by the internal conversion process, in which an excited nucleus transfers its energy to one of the inner-shell electrons causing it to be ejected. So it is A

The chemical reaction equation of photosyntesis is shown here: What information is not given in this equation. It does not show if the reaction is reversible or not reversible. It does not show the reactants needed for the reaction. It does not show that photosynthesis consists of many separate steps. It does not show the number of molecules required to produce glucose.

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Answer:

does not show if the reaction is reversible or not reversible.

Explanation:

its that

Where can earthquakes occur?

Question 12 options:

at a convergent plate boundary


at ALL kinds of plate boundaries


at a divergent plate boundary


at a transform plate boundary

Answers

Answer:

at a transform plate boundary

Explanation:

Transform faults are found where plates slide past one another. An example of a transform-fault plate boundary is the San Andreas fault, along the coast of California and northwestern Mexico. Earthquakes at transform faults tend to occur at shallow depths and form fairly straight linear patterns.

. Unlike animal cells, plant cells have ________________¬¬¬¬¬¬¬¬¬¬, a large central_____________, and a _________ wall.

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Answer:

chloroplasts, vacuole, cell wall

Explanation:

Answer:

This is the answer. Pls Mark me as the brainliest!!!!!! pppplllllllsssssss

Explanation:

Animal cells each have a centrosome and lysosomes, whereas plant cells do not. Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas animal cells do not

A chickenpox virus uses its host cell for
O reproduction
O shelter
O food
energy

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Answer:

reproduction

Explanation:

the answer is reproduction

Using a Periodic Table, identify two elements
that would have the same number of energy
levels as Aluminum (Al).

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Answer:

Na, Si, Mg.

Explanation:

SodiumSilicon Magnesium

This DNA strand consists of eight pairs of nitrogenous bases. How many different sequences of eight bases can you make? Explain how you found your answer.

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Answer:

In the sequence of 8, it would be 4 (possible bases) to the power of 8 because you need to multiply 4, eight times for the number of sequences. Therefore, the answer is 65, 536 possible sequences.

There are 65,536 different possible sequences in a DNA strand consisting of eight pairs of nitrogenous bases.

We have a DNA strand consisting of eight pairs of nitrogenous bases and we want to know how many different sequences of eight bases can we make, that is, how many combinations are possible.

In DNA, there are 4 kinds of nitrogenous bases: Adenine (A), Guanine (G), Thymine (T) and Cytosine (C).

Each position (P) can be occupied by any of the 4 bases (B).

Since there are 8 positions, and the bases can be repeated, we can calculate the total number of different sequences (N) using the following expression.

[tex]N = B^{P} = 4^{8} = 65,536[/tex]

There are 65,536 different possible sequences in a DNA strand consisting of eight pairs of nitrogenous bases.

Learn more: https://brainly.com/question/264225

how does water potential affect molarity or how is molarity and water potential related

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Answer:

If the solute concentration of a solution increases, the potential for the water in that solution to undergo osmosis decreases. Therefore, the more solute that is added to a solution, the more negative its osmotic (solute) potential gets.

A culture of living cells is often grown in a container called a(n)
A. agar block
B. petri dish
C. graduated cylinder
D. glass slide

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Answer:

Petri dish

Explanation:

It is used to culture cells

Answer:

B) Petri Dish

Help???????? PLZZZZ!!!!!!!!!!!!!!!!!!!!!!!!

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Answer:

THE ANSWER ISSSSSSSSS HOST

Explanation:

Why would a plant cell not burst while an animal cell would undergo cytolysis in a hypotonic solution?


The plant cell has a large central vacuole and creates a stronger exterior.


The plant cell has a rigid cell wall and the pressure from the central vacuoles causes the stiffness of the plant and animal cells do not have a cell wall therefore the boundary of the cell is weaker.


The plant cell is stronger because it has the chloroplast and causes a strong boundary that support the cell due to the glucose that is made from the process of photosynthesis.

Answers

Explanation:

The plant cell has a large central vacuole and creates a stronger exterior.

The plant cell has a rigid cell wall and the pressure from the central vacuoles causes the stiffness of the plant and animal cells do not have a cell wall therefore the boundary of the cell is weaker.

The plant cell is stronger because it has the chloroplast and causes a strong boundary that support the cell due to the glucose that is made from the process of photosynthesis.

Name and describe 3 ways objects can travel across a membrane. Include what types of objects (H2O, sugar, ect) are moving across the membrane for each way.​

Answers

Answer:

Osmosis - water

Ions - diffusion

Large proteins - endocytosis

Explanation:

Ions and small molecules can cross the cell membrane by simple diffusion, where they move from a high concentration to a low concentration, down a concentration gradient.

Osmosis is the process whereby water travels across a semi-permeable membrane from a high concentration to a low concentration.

Larger cargo can cross the membrane through a process called endocytosis, where the membrane engulfs the particles and brings them inside the cell, encased in a vesicle.

Which condition is associate; with most warm fronts?
A. cloud formations bringing precipitation
B. tornado formations
C. violent air mass collisions D. low temperatures

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I believe the correct answer is cloud formations bringing precipitation.

what statement is best supported by the data shown

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I can’t refer to anything, so how am I supposed to help :(

A species is a group of organisms capable of mating and producing offspring, and speciation is the process of forming a new species.

One way a new species may form is by geographic isolation. This occurs when members of a population are physically separated, for example, by a river, or a desert.

After the separation the two populations, responding to different conditions, will adapt differently, and so their evolutionary paths will...

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Answer:

thanklkkks for the facts

Answer:

the answer is c

Explanation:

it is diverge

Which of the following synovial joints does not have a concave or convex articulating surface?
A. Condyloid joint
B. Pivot joint
C. Gliding joint
D. Hinge joint

Answers

Answer: C

Explanation:

Gliding joint (source: trust me bro)

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