Answer:
Atmosphere and biosphere Biosphere and geosphere Hydrosphere
Explanation:
Which of the following nitrogen bases is present only in RNA and not in DNA?
Answer:
The nitrogen base uracil is only present in RNA. It replaces the Thymine used in DNA and bonds with Adenine.
Explanation:
Where does mRNA come from?
Answer:
mRNA is “messenger” RNA. mRNA is synthesized in the nucleus using the nucleotide sequence of DNA as a template. This process requires nucleotide triphosphates as substrates and is catalyzed by the enzyme RNA polymerase II. The process of making mRNA from DNA is called transcription, and it occurs in the nucleus
Explanation:
HOW MANY SPECIES OF WILD TURKEY EXIST?
Answer:
Six species
I hope this helps!
The nucleus _____.
A.has a net negative charge
B.contains the electrons, protons, and neutrons
C.is the center core of an atom
Answer:
C
Explanation:
Answer:
C.
Explanation:
A. is wrong because the electrons are on the outermost of the atom; that would also mean that B. is wrong. C is correct because the nucleus is, in fact, the center core of the atom.
Water in ocean currents can descend when it becomes colder and saltier than
the surrounding water. If water descends to the bottom of the ocean, then other
water must rise to the top. What causes water to rise to the top of the ocean?*
It is forced upward by underwater mountain ranges
It cools down and dissolves additional salt
It is brought upward by organisms that live in the ocean
It becomes less dense than the surrounding water
Answer: D it becomes less dense than the surrounding water
Explanation: when the water becomes colder and saltier it becomes more dense so the less dense water rises to the top.
What is a series of organisms that each depend on the next as a source of food called?
Answer:
Food chain
Explanation:
a cell was poisoned by a substance that destroyed all of its mitochondria. which cell transport processes would be able to still continue?
Answer:
Nothing
Explanation:
If a cell's mitochondria were destroyed it would die. Mitochondria are the power houses of the cell and without energy, necessary reactions could not take place .
If a mitochondria stopped working the cell would not have its respiratory function such as to use carbon dioxide, water, and energy in which the cell needs to survive so the cell would eventually stop moving and slowly die out with no nutrients and energy.
Use the distributive property to expand the following expressio (9m-6)7
DESCRIBE THE FUNCTION OF A CELL MEMBRANE AND ITS RELATIONSHIP TO WHAT HAPPENS INSIDE A CELL
Answer:
cell membrane's main function is to act as a selectively permeable barrier to the transport of materials across it. Membrane is made up of phospholipids arranged in a bilayer fashion. The phospholipids are amphipathic in nature, that is, contain both a hydrophobic and a hydrophilic end.
Explanation:
Helllpppp!!!!
How would the disappearance of shrimp, copepods, and amphipods affect the other organisms in the ocean food web
Every cell in your body contains organelles (structures that have specific functions) Just like organs in the body, each organelle contributes in its own way to helping the cell function One organelle found in both plant and animal cells ads like the cell's shipping and delivery center A major function of this organelle is the modifying, sorting and packaging of proteins for secretion which organelle sonts and packages proteins for secretion? (SC 912 L 143 - Sub Cat SC 912 1 142) O Endoplasmic reticulum O Golgi Apparatus Peroxisomes 0 Lysosomes
Answer:
B
Explanation:
Answer picture question! BRAINLIEST FOR CORRECTNESS!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
Decomposer.
Explanation:
Decomposers are the organisms that break down dead things into organic matter and soil.
Insert word in for the line (the given statements are definitions of the word):
_______________- a threshold of resources and a maximum number of species that can survive in an environment.
______________- more than the carrying capacity.
Answer:
1: carrying capacity
Explanation:
Answer:
Explanation:
Carrying capacity _- a threshold of resources and a maximum number of species that can survive in an environment
Biological surplus - more than the carrying capacity
Fill in the blank
Pollen grains land on the_____ and move down the ________ into the ________.
Answer:
Pollen grains land on the stigma and move down the pollen tube into the ovary.
which of the following statements best explains why plants wilt
Answer:
needs more context bro
The increase of carbon dioxide in the atmosphere is contributing to a global rise in Earth's temperature, known as.....________ & ________
Answer:
Water vapor and clouds are the major contributors to Earth's greenhouse effect, but a new atmosphere-ocean climate modeling study shows that the planet's temperature ultimately depends on the atmospheric level of carbon dioxide
Explanation:
Long lashes (L) are dominant over short eyelashes (l). Complete a Punnett Square crossing two parents that are both heterozygous for long eyelashes.
What goes in the blank ?
Answer:
I would say the answer is cells, because you basically need cells to live
Explanation:
Help will mark Brainlest!!! Plssss
Glucose reacts with Oxygen to form Carbon dioxide and water. During this process, glucose is oxidized to Carbon dioxide and water. Energy released during the reaction is captured by the energy-carrying molecule ATP
(adenosine triphosphate).
THE REACTION
C6H12O6 + 6O2 → 6CO2 + 6H2O
Members of the same species of bird became geographically separated. Over many years, the two groups evolved to become two different species. Which of these observations is the best evidence that two separate species developed?
Answer:
More information required
Explanation:
Is there a picture you forgot to post with the question?
In the problem you mention, which I assume comes from the study of finches in the Galapagos, some birds evolved to have different beaks, depending on the food available. Depending on what kind of seeds there are, different beak sizes were selected for, with those with the right fit eventually winning out over the rest on the individual islands.
Essential nutrients move through a cell membrane by both passive transport and active transport. Which of the following correctly describes the transport of materials across a cell membrane?
Answer:
This question lacks options, the options are:
A). Active transport requires chemical energy to move nutrients from areas of low concentration to areas of high concentration.
B). Passive transport requires chemical energy to move nutrients from areas of low concentration to areas of high concentration.
C). Active transport moves nutrients from areas of high concentration to areas of low concentration without the use of chemical energy.
D). Passive transport moves nutrients from areas of low concentration to areas of high concentration without the use of chemical energy.
The answer is A
Explanation:
Transport of materials across a cell occurs via passive transport or active transport depending on whether energy input is required or not to facilitate the movement.
- Passive transport is the transport of materials e.g nutrients from areas of high concentration to areas of low concentration i.e down a concentration gradient, without the use of chemical energy (ATP).
- On the other hand, active transport requires chemical energy (ATP) to move nutrients from areas of low concentration to areas of high concentration i.e against concentration gradient.
8.
Which has the greatest mass?
A. 10 large paperclips
B. Your textbook
C. Empty pop can
D. 10 marbles
Answer:
Id go with B, its the most logical choice.
What are the two products of Cellular respiration?
Answer:
Oxygen & Glucose are the two main reactants in Cell. Respiration.
What types of organisms have mitochondria
Answer:
sup ._.
Explanation:
The mitochondrion (/ˌmaɪtəˈkɒndrɪən/, plural mitochondria) is a semi autonomous double-membrane-bound organelle found in most eukaryotic organisms. Some cells in some multicellular organisms may, however, lack mitochondria (for example, mature mammalian red blood cells). A number of unicellular organisms, such as microsporidia, parabasalids, and diplomonads, have also reduced or transformed their mitochondria into other structures.
hope this helps
A proton is a very tiny particle inside an atom. The mass of the proton is estimated to be 0.00000000000000000000000167 g. What is the mass of a proton in specific notion?
A. 1.67 x 10 24 g
B. 16.7 x 10 -25 g
C. 167 x 10 -26 g
D. 1.67 x 10 -24 g
Answer:
The proton is 1.6726×10−27 kg
Answer:
1.67 x 10-24g
Explanation:
PLEASE HELP! :(
According to the graph, what condition is best for enzyme activity?
Answer:
C
Explanation:
Highest peck in enzyme activities
Plants participate in both short- and long-distance signaling. Explain how nerve cells show these two functions, as well. (3 points)
Nerve cells release chemical signals into synapses between them (short distance). They also transverse their lengths with an electrical signal that can result in signal travel along a series of cells (long distance).
Nerve cells release hormones into the synapses between them (short distance). These hormones can also transverse the bloodstream (long distance).
Nerve cells release neurotransmitters into gap junctions between them (short distance). They also use electrochemical gradients that can travel the length of each cell quickly, along a network of cells (long distance).
Nerve cells use plasmodesmata to communicate between them individually (short distance). They also use ion-gated channels to create an electrochemical signal that can be propagated over long distances in their network (long distance).
Answer:
Nerve cells release chemical signals into synapses between them (short distance). They also transverse their lengths with an electrical signal that can result in signal travel along a series of cells (long distance).
Explanation:
Nerve cells release neurotransmitters in the synaptic cleft which are capable of affecting nearby cells such as other nerve cells and muscle cells. Neurotransmitter molecules include, among others, serotonin, acetylcholine, dopamine, norepinephrine and histamine. Moreover, the synaptic cleft is the space that separates a neuron cell and its target cell. On the other hand, neurons transmit signals through electrical impulses. Electrical impulses travel long distances in the body carried by axons of the nerves. Thus, nerve impulses connect the brain and spinal cord and they carry signals to different parts of the body.
how can you reduce the amount of waste you send to landfills
Answer:
recycling
Explanation:
so things can be used again
a variable that stands alone and isn’t changed by the other variables you are trying to measure
Question 6 options:
independent variable
test-o-matic group
dependent variable
control group
For lunch, Pat had a baked potato and Erin had a hamburger with no bun. They each consumed the same amount of biomass, but from different trophic levels. In comparison to the amount of land required to produce Pat’s potato, how much land was required to produce Erin’s hamburger?
a. about 10% as much land to produce the hamburger
b. about the same amount of land to produce the hamburger and the potato
c. about 10 times as much land to produce the hamburger
The land was required to produce Erin’s hamburger is about the same amount of land to produce the hamburger and the potato. Option B. This is further explained below.
What is land production?Generally, land natural resource required to generate commodities and services is included.
In conclusion, we see that It takes roughly the same amount of land to produce a hamburger as a potato.
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