Answer: Answer:
1. The molecular structure of complex macromolecules show that a chemical reaction has occurred.
2. Genes are regions of DNA that carry the code for making proteins.
3. There is a decrease for competition for food amongst individuals in the group.
4.
Explanation:
Question 1:
Larger macromolecules breakdown into smaller macromolecules and combine during the reaction. - no, this is an example of a complex product being broken down into simpler components.
The basic need for oxygen makes the element essential to create macromolecules. - no, this does not provide evidence of chemical reactions creating complex products
Water molecules combine to form complex macromolecules that the body needs. - no, water molecules do not combine alone
The molecular structure of complex macromolecules show that a chemical reaction has occurred. - this is true, macromolecules are generally made up of several small monomers that have been linked together with the use of chemical energy. This usually occurs through dehydration synthesis and involves the loss of water, but forms bonds between the monomers
Question 2:
Proteins are regions of genes that carry the code for making DNA. - this is false proteins are produced by the cell, directed by the sequence of DNA. Broadly, a gene specifies the sequence of one protein.
DNA contains amino acids that carry the code for a protein that makes genes. - false. The genes are functional units of DNA, and the transcription of DNA into RNA and translation of RNA makes a chain of amino acids, forming a protein
Proteins are made up of DNA that contains the code to make genes. - false. Proteins are made up of amino acids, the sequence of which is determined by DNA (of which genes are the functional unit)
Genes are regions of DNA that carry the code for making proteins. - true. Genes are often described as the functional units into which DNA can be divided into, containing the code to synthesise proteins via an RNA intermediate.
Question 3:
Bees swarm to find shelter and increase their chances of survival. - this is false, bees swarm to propagate the population, creating two colonies from one and increasing the resource availability for the two newly formed hives.
The worker bees have an increase of survival due to their ability to find a mate. - this is false, worker bees do not mate as part of the general group structure
Female bees work alone to take care of their young to allow the male worker bees to search for food. - this is false, bees show alloparental care, which means parents help to raise offspring that are not biologically there own, helping the hive.
There is a decrease for competition for food amongst individuals in the group. - this is true, bees work together to generate food sources, meaning there is not direct competition between the bees in the same hive.
Question 4
The carbon dioxide from the atmosphere gets dissolved by the ocean and fish absorb it through their gills. - this is false, fish respiration expels carbon dioxide following respiration
Marine plants release carbon dioxide in the ocean for the fish to be able to use for cellular respiration - false, marine plants require carbon dioxide to photosynthesise, and fish expel carbon dioxide.
The ocean dissolves carbon dioxide from the atmosphere and it is used by phytoplankton during photosynthesis. - this is true, carbon dioxide is used by ocean autotrophs in order to carry out photosynthesis
The largest amounts of carbon dioxide in the atmosphere comes from the hydrosphere - this false, it is not evidence of carbon cycling through the atmosphere, which refers to how carbon dioxide is moved through processes such as photosynthesis, respiration, and burning of fossil fuels
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Explanation:
