BIOLOGY HIGH SCHOOL

You may have learned about the sheep clone Dolly in your science class. Although this experiment was greeted as a great success, there are many problems with cloning. One of the ethical issues surrounding cloning has to do with population genetics. The potential problem is that A) cloning is safer than traditional reproduction. B) cloning has become too successful in recent years. C) cloning is less safe than traditional reproduction. D) cloning could lead to a reduction of genetic variation.

Answers

Answer 1
Answer: Because it starts with "although", you realize there is a negative point coming in the second part of the sentence, which leads us to C and D. However, D is the one which is correct, because, in fact the genetic variation is diminished by the process of cloning. The new living organism created is a copy of some other. This way, it has the same DNA. If it the were a traditional case of reproduction, the new living organism would have a different DNA code, which leads us to answer D. 
Answer 2
Answer:

The answer to the question is D.

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At a synapse, adequate stimulation causes the presynaptic cell to release which of the following?Action potentials that bind to receptors on the postsynaptic cell
Neurotransmitter that bind to axons on the postsynaptic cell
Action potentials that bind to axons on the postsynaptic cell
Neurotransmitters that bind to receptors on the postsynaptic cell
I think this one is
d.

Answers

Neurotransmitters that bind to receptors on the postsynaptic cell

Synaptic Vesicles

The neuron, a cell that composes the nervous system. For example a brain, an organ composed of thousands of neural fibers and glial cells that performs many important organismic functions. 
Neurons are specialised cells that have dendrites, axons and terminal buttons that sends and receives stimuli from the environment and transduces it into a meaningful information and understand the complexities which the brain now functions.

Answer:

neurotransmitters that bind

Explanation:

The role of oxygen in cellular respiration is toa. supply an energy molecule.
b. combine with carbon atoms to form carbon dioxide.
c. allow glycolysis to continue.
d. act as the final electron acceptor. E. aid in the transport of pyruvate into the mitochondria.

Answers

c. allow glycolysis to continue.

The reactions that are catalysed by enzymes actually helps the organism to grow, respond to various changes in the environment, reproduce and continue maintaining their own structures. Cellular respiration is also considered a part of the metabolism process. This process actually helps in carrying the oxygen through the blood. 
The role of oxygen in cellular respiration is to (d) act as the final electron acceptor. Oxygen is used in all main steps of the cellular respiration; in glycolysis, citric acid cycle, and oxidative phosphorylation. It attracts so much electrons more than any other proteins.

How are structure and function related to adaptation?

Answers

Adaptations arethe result of evolution in different living organisms. This process occurs amazinglythrough gene mutation but it takes a very long period in time. Adaptation processesoccur to help species survive and thrive in the ecological balance of life.Structural adaptations are physical features of an organism that adapted throughtime. An example of this are the bills of a bird and the fur of bears that theygenerally need for their survival; birds for hunting, and bears to protect themfrom low climate areas.

Functional orBehavioral adaptations refer to particular things that an organism or organismsdo to survive. In the example above, behavioral adaptations that birds do isthrough certain bird calls and migration, while bears hunt during warmerseasons and hibernate during winter season. 

Final answer:

The structure of an organism or its part, directly influences its function, which is central to biological adaptation. Adaptation involves developing physical characteristics, which aid survival in specific environments. While analogous structures represent adaptation to similar environments, homologous structures indicate shared ancestry.

Explanation:

Structure and function are fundamentally related to adaptation in biology. Essentially, the shape or structure of an organism, or any of its body parts, directly relates to that part's function or purpose. This idea, called the structure-function relationship, is central to the concept of adaptation—the process by which organisms evolve physical characteristics that help them survive in their environment.

For example, consider the fins of whales and the wings of bats. Even though these animals differ significantly in many aspects, they both developed structures (fins and wings) that perform similar functions (swimming and flying), which are best suited to their specific environment. These analogous structures represent an adaptation to a common environmental condition, despite the lack of a close evolutionary relationship, and is known as convergent evolution.

On the other hand, homologous structures represent a shared ancestry. For instance, the grasping hands of humans and chimpanzees, which serve the same function, indicate a common ancestor. Despite their structural similarities, the ways these structures are used could vary, showcasing how different environmental conditions can drive variations in function and contribute to evolutionary divergence.

A prime example of the structure-function relationship—the hallmark of adaptation—is observed in the various beak shapes of finches. Different shapes serve different purposes or functions, permitting birds to make the best use of available food resources in their respective habitats.

Learn more about Structure-function relationship in adaptation here:

brainly.com/question/3095398

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if there were no suppression of dna replication between meiotic divisions but cytokinesis proceeded normally, what is the most likely outcome of meiosis?

Answers

The answer is 4 diploid cells.

Meiosis is a cell division which results in the reduction of chromosome number by half - from diploid to haploid - in daughter cells. It consists of meiosis I and meiosis II. Meiosis I produces two haploid cells. Meiosis II is analogous to mitosis, so in total, meiosis results in four haploid cells. This is achieved through suppression of DNA replication between two meiotic divisions.
If there were no suppression of DNA replication, then meiosis I would produce two diploid cells, and after meiosis II there will be four diploid cells.

How long does it take for a forest to go from barren rock to mature forest?8 years
hundreds of years
8 months
8 weeks

Answers

Hundreds of years. This process is called succession. 

A plant breeder found a species of flowering plant with very attractive flowers growing wild in a field and she thought it would appeal to her customers. Some of the plants of this species had red flowers, some white flowers, and some pink flowers. While she would like to be able to offer her customers all three colors of flowers, she only has permission from the landowner to dig up one plant to bring back to the nursery as breeding stock. What would be the best thing for her to do?A. Take a white flowering plants is the white allele could be masking the pink allele
B. Tickle pink flowering plant since it is likely to carry both the red and white Alleles
C. Take a red flowering plants if they could produce all three colors eventually
D. Take a red flowering plants is the red Allele Is likely the dominant one

Answers

i'd say B is correct (semidominance phenomenon)
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