Biology High School

PLEAE HELP ME ASAP!! I need help

PLEAE HELP ME ASAP!! I Need Help

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Answer 1

Answer:

3

i think

Explanation:

Related Questions

Nutrition involves those activities by which organisms

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Answer:

-Obtain and process materials needed for other activities.

True or false earth is a single interconnected system :)

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Answer:

True.

Explanation:

The earth system is itself an integrated system, but it can be subdivided into four main components, sub-systems or spheres: the geosphere, atmosphere, hydrosphere and biosphere. These components are also systems in their own right and they are tightly interconnected.

Which two scientists incorrectly named the compound?

A. Adele and Halley
B. Ethel and Kate
C. Kate and Audrey
✓ D. Audrey and Ethel

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Answer: D

Explanation:

Answer would be Letter D

The series of steps in which a large fish eats a smaller fish that has eaten algae is a

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Answer: It is a food chain

Explanation: A series of steps including species consuming another in a direct chain is defined as a food chain

What is the process called when Mitochondria/Chloroplasts multiply?

A. Conjugation
B. Mitosis
C. Binary Fission
D. Meiosis

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Answer:

I believe that is mitosis, but please correct me if I'm wrong.

What will happen to plants that are kept in the dark?

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Answer:

they die

Explanation:

They won’t get sunlight so they won’t grow they will end out dying because plants need sunlight to survive.

Which best describes why active transport requires atp to move molecules across the cell membrane?




A. Molecules are moved with the concentration gradient

B. Molecules are moved against the concentration gradient

C. No net movement of molecules needs to occur

Answers

Answer:

B. Molecules are moved against the concentration gradient.

Explanation:

Due to the higher concentration of the molecules of one of the sides than the other,in order to move molecules from the side with higher concentration of molecules to the side of lower concentration of molecules which is against the movement of molecules across the membrane, energy must be applied i.e atp.

The reason active transport requires ATP to move molecules across the cell membrane is because molecules are moved against the concentration gradient.

ACTIVE TRANSPORT:

Active transport is a type of cellular transport that requires the input of energy in form of ATP. Examples of active transport are pumping of Na+/K+ ions, exocytosis etc.

Active transport requires ATP because molecules are being moved against concentration gradient. This means that molecules are moved from regions of low concentration to that of high concentration.

Passive transport, which does not require energy, moves molecules down a concentration gradient.

Therefore, the reason active transport requires ATP to move molecules across the cell membrane is because molecules are moved against the concentration gradient.

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The chemical formula for sodium sulfate is Na2SO4. How many sulfur atoms are in the formula for sodium sulfate?

(Please put in the comments cuz it wont let me see answers)

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sodium : 2 atoms
sulphur : 1 atom
oxygen : 4 atoms

advantages to using a punnet square

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a Punnett square summarizes how the processes of meiosis and fertilization contribute to inheritance of different alleles of a gene. So one major advantage is it can help determine certain things about a child by looking at the dominant and recessive genes and gives a percent of how likely they are to get that thing for example a punnet square may show what color a child’s eye color is likely to be upon birth

Answer:

One advantage of Punnett squares as a model of inheritance is that a Punnett square summarizes how the processes of meiosis and fertilization contribute to inheritance of different alleles of a gene.

Aerobic respiration takes place in the mitochondria because?

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Answer:

Glycolysis takes place in the (g)cytoplasm. Two molecules of ATP and two molecules of (h)NADH are formed for every glucose molecules that is broken down. (i) Aerobic respiration takes place in the (j) mitochondria. It is aerobic because the process requires (k)oxygen.

Explanation:

Answer:

Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions.

Explanation:

what things humans do in the flower garden to alter the abiotic elements of the ecosystem?

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Humans often use pesticides to destroy undesirable organisms that live in flower gardens, such as insects, weeds, or fungi. The use of such chemical will reduce biodiversity. Humans also plant many of the same plants in gardens, which reduces biodiversity.

The park is able to support maximum population of 4,500 bison. The bison began to migrate when the population eschew 4,000 because ofcompetition for food . If the current population size of bison is 3,652 and the maximum growth rate of the population is 0.28 calculate the population size after one year

Answers

Answer

Nt= 698.65

Explanation:

Due to technical problems, the complete explanation for the answer is as an attached file.

           

What is the function of the excretory system?


remove waste


break down food


respiration


transport nutrients

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Answer:

The excretory system removes waste

Describe the term "semi-permeable" (or "selectively-permeable) membrane. Why is it important? (giving brainliest to the first person lol)

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Answer:

Cells need a selectively permeable barrier sometimes called a semi-permeable membrane because some items need to be allowed to come in while others need to be let out of the cell.

Explanation:

Semi-permeable membranes allow the cell to keep a isotonic state. The amount of water is the same inside as outside the cell.

All of the following are nitrogenous bases of DNA, EXCEPT -
guanine.
adenine.
uracil.
thymine.

Answers

Answer:

adenine

Explanation:

Answer:

uracil

Explanation:

The 4 bases of DNA are adenine, guanine, thymine and cytosine.

What kind of rays are produced when a metal, such as tungsten, is bombarded with
electrons moving with very high velocities?
a. x-rays
b. gamma rays
c. cathode rays
d. infrared rays

Answers

Answer: x-rays

Explanation: When the electrons from the filament strike the tungsten target, x-rays are created photons are created if they either hit a target nucleus directly (rare) or their path takes them close to the nucleus. If a high- speed electron hits the nucleus of a target atom, all its kinetic energy is transformed into a single x-ray photon.

Answer:

X-rays

Explanation:

help me I will give anyone who answers it brainiest
What organic substance are both of
these enzymes
digesting?

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Answer:

Amylase breaks: down starches and carbohydrates into sugars.

Protease breaks: down proteins into amino acids.

Explanation:

Do offspring receive Chromosomes from their parent? explain

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Answer:

Yes

Explanation:

Your “genes”, or genetics, are what make you who you are. Chromosomes determine what gender a person is and what they’re like (birth defects).

(7th grade question abt rocks...again)




A rock's texture gives a geologist clues about how a rock is formed. What can be inferred about the processes by which this rock formed?


A-The rock formed through the slow cooling of magma below ground.
B-The rock formed through the rapid cooling of lava above ground.
C-The rock formed through the processes of compaction and cementation.
D-The rock formed through the processes of pressure and heating

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I think the answer is C.

Why would it be bad if Creatine Kinase leaked out of muscle cells?

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Answer:

Because it would mean severe muscle damage.

Explanation:

WILL GIVE BRAINLIEST! :) How do chlorofluorocarbons affect Earth's ozone layer?

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Answer:

Once in the atmosphere, CFCs drift slowly upward to the stratosphere, where they are broken up by ultraviolet radiation, releasing chlorine atoms, which are able to destroy ozone molecules. ... When sunlight returns in the spring, the chlorine begins to destroy ozone.

is 4.62... rational or irrational ​

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Answer: Yes 4.62 is very well a rational number.

What is the main function of vacuoles?

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Vacuole, in biology, a space within a cell that is empty of cytoplasm, lined with a membrane, and filled with fluid. Especially in protozoa, vacuoles are cytoplasmic organs (organelles), performing functions such as storage, ingestion, digestion, excretion, and expulsion of excess water.

if your fathers dominant gene was blond hair, but your mother's dominant gene was brown hair, what would the Childs hair color be?

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Answer:

Brown Or a Hazel color because a lot of kids come out with brown/hazel hair so I'm pretty sure Brown Or Hazel color

Explanation:

Ok

What are "Chloroplasts"?

a.an organelle of some eukaryotic cells in which photosynthesis occurs, using the energy of light to make organic compounds from carbon dioxide and water

b.the substance inside a cell, prokaryotic or eukaryotic, including organelles, but
not including the nucleus of a eukaryotic cell

c.membrane-bound organelles in eukaryotic cells in which cellular respiration
takes place, using oxygen to break down glucose to carbon dioxide and water

d.a cell organelle that is essential to cell functions including reproduction, contains
the cell's chromosomes, and is enclosed by a membrane

Answers

Answer:

cloraplast is what makes the plant green

The answer is A because chloroplasts is an organelle of some eukaryotic cells where photosynthesis occurs

I really need help with this one ASAP!!!

Explain why volcanoes form at both convergent plate boundaries and divergent plate boundaries.

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Answer:

Volcanoes often form along tectonic plate boundaries where oceanic plates sink beneath other plates. As a plate sinks deep into a subduction zone, it will start to heat and melt, forming something called magma. Volcanoes can also be created near tectonic boundaries where plates pull apart. This allows magma to rise up from the mantle.

Explanation:

^

If a cell is not ready to divide, it may "take a break" and enter the __________ Phase.

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Answer:

The stage where it "takes a break" is called the interphase

Explanation:Trust me

Clouds form when air is ? A) swirled by wind. B) heated by the sun. turned into ozone. D) transpired by plants.​

Answers

Answer: transpired

Explanation:  PLEASE GIVE BRAINLIEST IT HELPS ALOT

Answer: heated by the sun

Explanation:

When the Sun warms the Earth, warm air rises into the atmosphere. As it rises, it expands and cools. Water vapor condenses out of the cool air to form a cloud.

What is an essential nutrient?​

Answers

Answer:

Substance that must be obtained from the diet because the body cannot make it in sufficient quantity to meet its needs.

Explanation:

Answer:

Essential nutrient: Substance that must be obtained from the diet because the body cannot make it in sufficient quantity to meet its needs.

Hope this helps! Please mark Brainliest!

Which statement describes a histogram?
A.It shows a line of best fit
B.It shows how an independent variable affects a dependent variable.
c.It shows a frequency distribution
D.It shows data as a proportion of a whole

Answers

Answer:

c

Explanation:

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