HELP................

Answers

Answer 1

Answer:

Active Transport

Explanation:

Related Questions

A-Level Environmental Science exam question:

Since the 1950s, the exploitation of the rare-earth elements has increased from a few tonnes per year to over 150 000t per year. They are used in a wide range of applications, including new developments in transport, electronics and healthcare.
Although the main metals used following the industrial revolution are still important, economic development since the mid 1900s has involved the use of relatively small quantities of a much wider range of metals.
Many rare-earth elements have a relatively high mean crustal abundance, but they rarely occur in locally concentrated deposits.
Figure 1.1 shows details of the reserves and production of rare-earth elements in seven countries.
Use the data in figure 1b to calculate the missing values

Answers

153828 a year. Whenever you look at the data it shows how to get what you need to get. The data has 34 and then younmultiply by 66

The connective tissue layer that surrounds an entire muscle is called ______. Multiple choice question. epimysium endomysium perimysium

Answers

Answer:

the answer is epimysium

Explanation:

The connective tissue layer that surrounds an entire muscle is called the epimysium, which is the first option as it is composed of dense, irregular connective tissue and serves to protect the muscle.

What is epimysium?

The epimysium plays a role in transmitting force from the muscle to the surrounding structures and connects to the tendons and other connective tissues that attach the muscle to bone and other structures, and the epimysium is just one of the three connective tissue layers that make up the structure of a skeletal muscle; the other two layers are the perimysium and the endomysium, and together, these three layers of connective tissue provide the necessary structural support for skeletal muscles to function properly.

Hence, the connective tissue layer that surrounds an entire muscle is called the epimysium, which is the first option.

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How do the properties of lipids
help explain the structure of a cell membrane?

Answers

Explanation:

Lipids give cells membranes a flexible structure which forms a strong barrier between the cell and its surroundings

Answer:

Lipids give cells membranes a flexible structure which forms a strong barrier between the cell and its surroundings. This tells us that the lipid surrounds the structure which then forms the shape of the cell.

Explanation:

. A kidney cell is an example of which type of cell?
a. somatic cell
b. germ cell
c. sex cell
d. haploid cell

Answers

Answer:

A. Somatic cell

Have a good day!!!

Explanation:

how is cell division normally controlled or regulated

Answers

Answer:

A variety of genes are involved in the control of cell growth and division. ... Tight regulation of this process ensures that a dividing cell's DNA is copied properly, any errors in the DNA are repaired, and each daughter cell receives a full set of chromosomes.

Explanation:

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What are the two stages of photosynthesis represented

Answers

Answer:

Light dependent reactions and light independent reactions.

)
Check out the areas of low pressure on the weather map. Which of these is NOT characteristic of low pressure areas?
A) Storms are likely
B) Weather is cooler and drier.
Weather is wetter and warmer.
D) Air is less dense and the formation of clouds more likely.

Answers

Answer: B

Low pressure tends to bring storms with it, form clouds and allow for the weather to be wetter and warmer. High pressure bring cooler and drier weather.

Which part of the plant cell does photosynthesis occur? Please help

Answers

Answer:

Photosynthesis occurs in the chloroplast of the plant cell.

Explanation:

Phloem is used to transport sucrose and amino acids in plants. Sucrose is a carbohydrate. Describe the uses of carbohydrates and amino acids in plants.

Answers

Answer:

1. carbohydrates help to produce a part of cellulose. carbohydrate produces the vital source of energy, carbon skeletons for organic compounds, and storage of components.

2. Amino acids help in the ion transportation, modulation of stomatal opening, maintaining the level of detoxification.

what describes metal for being malleable?

Answers

⇒

Malleable metals will bend and twist into numerous shapes when affected by a hammer, whereas non-malleable metals might break apart into pieces. Examples of malleable metals are gold, iron, aluminum, copper, silver and lead. ... No metal is completely malleable, and all will break when under extreme stress

altering the environment to minimize the stimuli for eating is called

Answers

Answer:

Stimulus control

Explanation:

You are controlling the stimuli. Altering the environment to influence, in this case minimize, stimuli is an example of stimulus control.

Photolysis is a part of which cycle? a. Phosphorus b. Oxygen c. Nitrogen d. Carbon Please select the best answer from the choices provided A B C D.

Answers

Answer:

B Oxygen

Explanation:

it's the answer for your question..

Answer:

It is B

Explanation:

Question 3 of 10
What is immigration?
O A. When animals die in an ecosystem
O B. When animals are born in an ecosystem
O C. When animals move into an ecosystem
O D. When animals leave an ecosystem
SUBM

Answers

Answer:

the answer to your question is is c.

You are attempting to carry out a transposon mutagenesis experiment using the pRL27 system. The Donor strain you use was giving to you by a lab mate who has been culturing it continuously for several months. When you set up your control plates, you find that the Donor strain grows poorly on Luria DAP Agar. Your transformation efficiency is very poor for this attempt at mutageneis. What likely happened to the Donor strain

Answers

The most likely happened to the donor strain is that the transposon is active in the donor resulting in the gradual accumulation of mutations. The accumulation of mutations is promoted by the insertion of the transposon.

A donor strain is a bacterial strain that contains a mobilizable fragment of DNA called plasmid.

These strains (donor strains) exploit the transference properties of a conjugative plasmid to modify a particular recipient strain.

Transposons, also known as jumping genes, are mobile genetic elements that alter the genome of an organism by jumping and thus inserting them into genetic sequences (i.e., into protein-coding sequences).

In this case, the presence of a transposon in the donor strain affected the expression of many genes required for the donor strain in order to grow into Luria DAP Agar.

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In angiosperm double fertilization, one sperm nucleus fertilizes the ______ to form the diploid ______, and a second sperm nucleus fuses with the two nuclei in the central cell of the embryo sac.

Answers

Answer:

one sperm fertilizes the egg cell, forming a diploid zygote

Explanation:

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In angiosperm double fertilization, one sperm nucleus fertilizes the egg to form the diploid zygote, and a second sperm nucleus fuses with the two nuclei in the central cell of the embryo sac.

The egg is the female gamete in an angiosperm. It is a haploid cell that contains one set of chromosomes. The zygote is the fertilized egg. It is a diploid cell that contains two sets of chromosomes. The zygote will eventually develop into an embryo. The central cell is a cell in the embryo sac that contains two haploid nuclei.

Double fertilization is a unique feature of angiosperms. It is a type of fertilization in which two sperm nuclei fertilize two different cells in the embryo sac. The first sperm nucleus fertilizes the egg to form the zygote. The second sperm nucleus fuses with the two nuclei in the central cell to form a triploid cell. This triploid cell will eventually develop into the endosperm, which is a food reserve for the developing embryo.

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Recall what you know about hypertonic, hypotonic, and isotonic solutions. When an environment is hypotonic, what happens
to the cell?

Answers

Hypotonic solutions are lowly concentrated solutions
Hypertonic are highly concentrated solutions
While isotonic have equally concentrated

When a cell is placed in a hypotonic sol water moves out of the cell by osmosis making the cell flaccid

When a cell is submerged in a hypotonic solution, water osmosis causes the cell to become flaccid.

What is osmosis?

A semi-permeable membrane is used in the process of osmosis, which allows solvent molecules to move from a solution of low concentration to a solution of high concentration.

Osmosis is a passive process that doesn't require any energy to complete. In order for the concentrations on either side of the membrane to be equal, molecules must shift from an area of greater concentration to one of lower concentration.

Any solvent, including gases and supercritical liquids, can go through the osmosis process.

When solute concentrations inside and outside of the cell are equal, an isotonic solution has been created.When the concentration of solutes outside the cell is higher than within, the solution is said to be hypertonic. When the concentration of solutes inside the cell is higher than outside, the solution is said to be hypotonic.

Therefore, when a cell is submerged in a hypotonic solution, water osmosis causes the cell to become flaccid.

Answers

Answer:

D. Seismology

hope helpful <3

Answer:

D. Seismology

Explanation:

Seismology is the scientific study of earthquakes and the propagation of elastic waves through the Earth or through other planet-like bodies.

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High-energy electrons from NADH and FADH2, are passed into and along the____ The energy from the electrons moving down the chain is used to move H+ ions across the_____ H+ ions build up in the_____ space, making it_____ charged and making the matrix negatively charged. in the inner membrane. H+ ions move through channels of______ The ATP synthase uses the energy from the moving ions to combine ADP and phosphate, forming high-energy______

Answers

Answers:

High-energy electrons from NADH and FADH2, are passed into and along the electron transport chain .

The energy from the electrons moving down the chain is used to move H+ ions across the inner membrane .

H+ ions build up in the intermembrane space, making it positively charged and making the matrix negatively charged.

In the inner membrane, H+ ions move through channels of ATP synthase .

The ATP synthase uses the energy from the moving ions to combine ADP and phosphate, forming high-energy ATP .

Choose the correct response to this statement: Presynaptic neurons synapse on the ________ of the postsynaptic neuron.

Answers

Answer:

Cell or body dendrites

Explanation:

The cell which connects the whole body is called neuron cell and the tissue made up from the following is known as nervous tissue.

The correct answer to the following is left.

The synapse is made of the following:-

Cell endingDendrite

The signal transfer to the whole body is in form of electrical and chemical signals.

Hence, the correct answer is left to the postsynaptic neuron.

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What differences are there in the growth of the human population compared to the animal/plant population?

Answers

Answer:

Explanation:

In both plants and animals, there are parts of the body designed to carry the nutrients needed for growth. In a animal it is blood and in a plant, it is the Xylem and Phloem Tissue Humans are born with a set number of limbs and if one get's cut off it cannot regenerate. Because of this, we are increasingly cutting into resources that other species must use in order to survive. We have hindered, or even ended the lives, of numerous species. Today, 99% of the species still remaining on this planet are at risk because of human activity alone.The similarities in the population growth of humans with respect to plants and animals is that, in the three cases, the growth occurs exponentially with respect to the initial number of specimens

What is the term used to describe homologous chromosomes exchanging genetic material during meiosis?.

Answers

The term used to describe homologous chromosomes exchanging genetic material during meiosis is called crossing over.

CROSSING OVER:

Crossing over is the process whereby non-sister chromatids of homologous chromosomes (similar but non-identical chromosomes from each parent) exchange genetic material.

Crossing over occurs in the prophase I stage of meiosis where homologous chromosomes lie side by side to form a structure called tetrad or bivalent.

Crossing over ensures genetic diversity in the offsprings produced meiosis.

Learn more about crossing over at: https://brainly.com/question/18824252?referrer=searchResults

Answer:

crossing-over

Explanation:

Which structure gives you voluntary control over urination?

Answers

Answer:

d. External urethral sphincter

Explanation: is correct. post protected

What inputs of photosynthesis move through the stomata?

Answers

Answer:

The gas exchange of carbon dioxide and oxygen occurs through the stomata.

Explanation:

Hope this helps.

The movement of gas in the opposite direction

what insects don't have piercing and sucking mouth parts?
.

Answers

Answer:

lice

Explanation:

they bite and chew on their host skin

Insect mouthparts come in different forms. The two most common forms are the chewing and piercing-sucking types (moth and butterflies have a different, unique form of mouthparts). To determine what type of mouth an insect has, get a good hand lens (10 to 15x) or a small microscope and a bright light.

Is scientific law a proven concept? Explain why or why not.

Answers

n general, a scientific law is the description of an observed phenomenon. It doesn't explain why the phenomenon exists or what causes it. The explanation of a phenomenon is called a scientific theory. It is a misconception that theories turn into laws with enough research.

Explain why the sperm cells differ from other cells in the male

Answers

sperms are gametes (reproductive cells) which have half the number of chromosomes (22 autosomes +1 sex chromosome) .Those cells have 23 chromosomes only as their nucleuse fuses *during fertilization* with the ovum's nucleuse which has 23 chromosomes as well . Also it has a special structure which makes it adapted for movement since it's a mobile cell

As a part of her homework, June make a flowchart about the steps involved in hearing the sound energy produced by wind chimes.

A flowchart with four steps. The first step is the rods vibrate back and forth. The second step is wind chime rods hit each other. The third step is sound waves are created. The fourth step is the sound travels into your ears.

Which statement best explains the error in June's flowchart?

The wind chime rods hit each other before they begin to vibrate.
Sound waves are created before the wind chime rods hit each other.
The sound of the wind chimes travels to your ear before the rods vibrate.
The spin of the rods causes sound energy, not its vibrations.

Answers

Answer:

A is the final answer........

Which is the odd
one? Explain.

A. RR
B. Rr
C. Aa
D. aa

Answers

Answer:

d aa its not capitalized like the other ones

Explanation:

Define The Meaning Of Organelle "_________ __________."
First To Answer Correctly, Gets Brainliest...

Answers

Answer:

structures that preform many jobs in cells :)

Answer:

any of a number of organized or specialized structures within a living cell.2): a specialized cellular part (such as a mitochondrion, chloroplast, or nucleus) that has a specific function and is considered analogous to an organ.3)In cell biology, an organelle is a part of a cell that does a specific job. ... Organelles typically have their own plasma membrane round them. Most of the cell's organelles are in the cytoplasm. The name organelle comes from the idea that these structures are to cells what an organ is to the body.

Explanation:

mykaren clark

what percentage of extracellular fluid is accounted for by interstitial fluid and plasma?

Answers

Answer:

80%

Explanation:

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