BIOLOGY COLLEGE

A large section of the lower troposphere with uniform temperature and humidity is called _______.A. a hurricane

B. a hemisphere

C. a pressure gradient

D. an air mass

Answers

Answer 1
Answer:

Answer:

D. an air mass

Explanation:

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In humans there is a dominant allele (A) for the absence of moles; while the recessive allele (a) results in the presence of moles. A couple who are both heterozygous for this locus (Aa) plan to have seven children. a. Expand the binomial (p + q)7. b. What is the probability that: (i) The first child that is born will not have moles.(ii) All of the children will have moles. (iii) The first two children will have no moles and the last five will have moles. (iv) Of the 7 children, 4 will have no moles and 3 will have molesc. Assume this couple now have two children, one with moles and one without moles. What is the probability that the child born without moles is a carrier of the a-allele (ie heterozygous)?
2. What happens to the spectral lines of a starthat is moving toward Earth?A. The waves spread out, and the frequency ofeach line increases.B. The waves spread out, and the frequency ofeach line decreases.C. The waves compress, and the frequency ofeach line increases.D. The waves compress, and the frequency ofeach line decreases.
Each strand of a DNA molecule contains nitrogenous bases that pair with other nitrogenous bases in very specific ways. A segment of a DNA strand is shown. 3’ GATCGATC 5’ Which complementary DNA strand pairs correctly with the strand above?A. 5’ CTAGCTAG 3’ B. 5’ GATCGATC 3’ C. 5’ CUAGCUAG 3’ D. 5’ CATCGATC 3’
Can someone help me i'm stuck on this question.play an important role in an ecosystem, breaking down dead organisms and recycling the nutrients.DecomposersProducersHeterotrophs
Explain how capillary action is really just teamwork between adhesion and cohesion.

The freshwater and salt water biomes are divided into different levels or zones. What are these levels or zones, and if stated, what kinds of organisms live in the different levels or zones? (Site 1)

Answers

Freshwater means low salt content. The zones namely Standing which is compose of ponds and lakes and has littoral zone which algae,floating aquatic plants and clams can be found. Next is limnetic zone and has plankton. Next is Flowing includes streams and rivers and in there resides catfish and carp. For sea water it has Marine which has aphotic zone where anemones,arrow worm and angler fish resides.Another, coastal zone compose of coral reefs and mangrove and lastly the intertidal zone with small critters.

A freshwater and salt-water biome refers to the body of water (aquatic biome) that makes up about 75 percent of the surface of planet Earth.

The freshwater biome is divided into three (3) major levels or zones and these include:

1. Littoral zone: it is the shore area of a freshwater and it can either be very wide or very narrow.

Some examples of organisms found in the littoral zone are:

  • Cattails.
  • Pond fish.
  • Frogs.
  • Turtles.
  • Water snakes.

2. Limnetic zone: it is the open water area of a freshwater.

Some examples of organisms found in the limnetic zone are:

  • Planktonic algae.
  • Fish.
  • Zooplankton.
  • Insects.

3. Profundal zone: it is the bottom and deep water area of a freshwater.

Some examples of organisms found in the profundal zone are:

  • Fungi.
  • Bacteria.
  • Blood worms.

On the other hand, a salt-water biome is divided into four (4) major levels or zones and these include:

1. Intertidal zone: it comprises these organisms;

  • Sponges, anemones, barnacles, whelks, green algae, isopods, chitons, crabs, snails, etc.

2. Pelagic zone: it comprises these organisms;

  • Dolphins, plankton, jellyfish, floating seaweed, tuna, and sharks.

3. Abyssal zone: it comprises these organisms;

  • Bivalves, fishes, snails, deep sea jellyfish, crustaceans, anglerfish, deep sea shrimp, cephalopods, shark, etc.

4. Benthic zone: it comprises these organisms;

  • Crustaceans, lobsters, mussels, sea stars, macroalgae, sponges, sea urchins, polychaete worms, seagrasses, echinoderms, etc.

Read more: brainly.com/question/24795626

How can you indentify the difference between a chemical and physical change and what are signs that a chemical change has occurred

Answers

Answer:

chemical change changes the identity of a substance, while a physical change can just be observed. Some signs that a chemical change has occurred are, temperature change, forming bubbles, color change, new substance forming, there are more, but those are just some of which i now

Explanation:

hope this helped!!!<3

Answer:

Explanation:

The formation of a gas is a clue to chemical changes. The bubbles of gas that you observed form when an antacid is dropped into water is an example of change. ... After ice melts into liquid water, you can refreeze it into solid ice if the temperature drops. Freezing and melting are physical changes.

Which statements describe the characteristics of an individual protein? Select two options. It is specific to one biochemical reaction. It increases the activation energy needed for a reaction. It can catalyze many different reactions. It increases the rate of a biochemical reaction. It slows down the rate of a biochemical reaction.

Answers

The branch of science which deals with chemistry uses in biology is called biochemistry.

The correct option to the question is A and D

The digestion of protein requires the enzyme which catalyzes the reactant and speeds up the reaction by decreasing the activation energy. According to this concept, option B is wrong.

The protein molecule has an active binding site that is specific to each protein. Each protein has a specific type of enzyme that catalyzes the reaction. Hence option C is also wrong.

Hence, the correct option is A and C that is an It is specific to one biochemical reaction and It slow down the rate of a biochemical reaction.

For more information, refer to the link;-

brainly.com/question/25026730

Answer: . It is specific to one biochemical reaction

It increases the rate of a biochemical reaction.

Explanation:

Protein acts as enzymes and are useful in reactions that occurs in the cell as a catalyst.

Enzymes are characterized by speeding up the rate of chemical reactions without destroying themselves or disturbing equilibrium that occurs between the reactant and the product. Individual protein are specific to a particular reaction and are good catalyst of chemical reaction as they help to speed up reactions.

How can gardeners and farmers add nutrients to soil? (Select all that apply.)A. adding fertilizer to the soil
B. watering the soil
C. adding compost to the soil
D. heating the soil

Answers

Answer:

A. and B.

Explanation:

Answer:

A and b

Explanation:

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Why are the oldest fossils found in the oldest rock layers?

Answers

Answer:

Explanation:

This is usually because when they first became fossils, they embedded into the ground. Over many years afterwards, more layers came to cover that layer and so on. Newer fossils would be embedded into newer layers. That's why the older ones tend to be found the deeper you look.

Answer: Well probably because of the fact that over time the rocks stack up on top of each other because of weathering and erosion and as they stack they get deeper and deeper, so fossils that were at the top one time will slowly sink as the time progresses.

This is a process where two nuclei or particles interact to form different particles

Answers

Answer:

Nuclear Reaction

Explanation:

When two nuclei or particles move towards each other and, despite the Coulomb repulsion, they get close enough that there is interaction between the particles of one with the particles of the other by the nuclear force, and the formation of different particles and a redistribution of nucleons and a nuclear reaction is said to have occurred.

Nuclear reactions are usually produced by bombarding a target nucleus with a projectile that may be some type of particle or small nucleus, so that Coulomb's repulsion does not become a major obstacle. Reactions involving not very large energies occur in two phases. In the first phase, the target nucleus and the projectile group together, forming what is called a compound nucleus in a highly excited state. In the second phase, the composite core decays by any process that does not violate the conservation principles
In nuclear physics, a nuclear reaction is a process in which two nuclei or nuclear particles collide, to produce different products than the initial particles. In principle a reaction can involve more than two particles colliding,
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