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Answer:

AA, Aa, Aa, and aa

Explanation:

If you do the punnet square to solve this, you will see these results!

Answer:B on edge 2020

Explanation:half would have the genotype Aa

Answer:

there are two types of cell one eukaryotic cell that have true nucleus (genetic material enclosed in membrane) and membrane bounded organelles and other is prokaryotic cell that donot have have true nucleus (genetic material dispersed in cytoplasm) and membrane bounded organelles.

similarities between PC and EC is that both contains cell membrane, ribosomes (not a membrane bounded organelle) .

examples of PC are bacteria , paramecium,fungi etc

examples of EC are plant and animal cells

there are two names for cell membrane i.e plasmalemma, cell surface membrane,

selectively permeable or semipermeable means cell only allows those material to pass through its cell membrane which it needs.this cell'ability is important because to protection against the poisonous substance and to maintain cell needs .

The overpopulation of the sea urchin population might magnify the impact of the negative growth conditions of kelp beds by eating what's left or what grows in the next few years.

Answer:

vestigial structures

Ostriches have wings but do not fly, and humans have an appendix with no apparent function, whales have bones for their back legs, which are examples of vestigial structures because they were once functional but are no longer.

Vestigial organs have lost much or all of their ancestral function in the evolution process, for example, ostriches have wings that have lost the ability to fly and are now used for balance and courtship displays. The human appendix is another vestigial organ that once had digestive function but no longer does.

Hence, ostriches have wings but do not fly, and humans have an appendix with no apparent function, whales have bones for their back legs, which are examples of vestigial structures because they were once functional but are no longer.

Learn more about the vestigial organs here.

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Explanation:

mass is a weight ofan object .

Answer:

Mutations can be environmental or genetic

Only some mutations involve a change in the DNA sequence. Therefore option D is correct.

Mutations are changes in the DNA sequence of an organism's genome. Not all mutations are harmful; some can be beneficial or neutral.

Beneficial mutations can lead to advantageous traits, contributing to the organism's survival and evolution. Neutral mutations have no noticeable effect on the organism's phenotype.

Additionally, not every genetic mutation is expressed as a phenotype in the organism. Some mutations may occur in non-coding regions of DNA or be masked by other genetic factors.

Mutations can be caused by various factors, including environmental factors (e.g., radiation, chemicals) and genetic factors (e.g., errors in DNA replication, recombination).

Therefore option D Only some mutations involve a change in the DNA sequence is correct.

Know more about DNA sequence:

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Answer:

I think it is false because the Earth has a very large population of people and animals and each and every one of them needs nutrients to survive so I think the statement is false

Answer:

respiration is a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances.

Answer:

d

Explanation:

Answer:

yes, gold can be created from other elements. The process requires nuclear reactions and is so expensive that currently it would cost a lot more than the price of natural gold available, therefore, unprofitable. Gold is the chemical element with 79 protons in each atomic nucleus. Every atom containing 79 protons is a gold atom, and all gold atoms behave the same chemically. In principle, gold can be created by simply assembling 79 protons, (and enough neutrons to make the nucleus stable).

Answer:

sexual reproduction

Answer:

share the workload fairly.

Explanation:

The best reason to assign tasks to each member of a study group is to share the workload fairly across the group.

Answer: share the workload fairly

Explanation: I got it right on edge 2020

Answer:

The nucleotide sequence of a DNA codon is TAG. In an mRNA molecule transcribed from this DNA, the codon has the sequence 5'-AUC-3'. In the process of protein synthesis, a transfer RNA pairs with the mRNA codon. The nucleotide sequence of the tRNA anticodon is 3'-UAG-5'. The amino acid attached to the tRNA is Isoleucine.

Explanation:

In the process of protein synthesis the mRNA contains the sequence of nucleotides —transcribed from the DNA— that defines the sequence of amino acids that a synthesized protein will have.

Codons are triplets of nitrogenous bases present in mRNA, which encode an amino acid, as well as the start and end of protein synthesis.

Anticodons correspond to triplets of bases present in transfer RNA (tRNA), which correspond with mRNA codons. tRNA is responsible for coupling amino acids to the polypeptide chain being synthesized. In view of this:

- DNA triplet:               TAG

- Codon mRNA:      5'-AUC-3'

- Anticodon tRNA:   3'-UAG-5'

- Amino acid:           Isoleucine

Answer:

It's "D"

Explanation:

Fame

Answer:

it d

Explanation:

Answer:

The mutation that involves the change in the sequence of DNA bases is reflected both in the transcription of mRNA and in translation, giving rise to an alteration in the protein, which may not function and whose impact on the organism is a morphological or functional alteration.

Explanation:

According to this scenario, the DNA has experienced a mutation by changing the sequence by one of its bases, Cytosine by Thymine, producing in the mRNA a termination codon that interrupts the normal synthesis of the protein, preventing that protein from fulfilling its function. This particular mutation is called Nonsense mutation.

For normal DNA

DNA      TAC CTC ACC GAG CGT

mRNA    AUG GAG UGG CUC GCA

Protein   Met - Glu - Trp - Leu - Ala

For the mutated DNA

DNA      TAC CTC ACT GAG CGT

mRNA   AUG GAG UGA CUC GCA

Protein  Met - Glu - STOP - Leu - Ala

The change of a cytosine by Thymine in the mutated DNA produces that the third codon of the mRNA is altered, encoding a UGA termination codon, which prematurely stops the protein synthesis and originates an incomplete protein, probably not functional, whose impact in the organism is a morphological or functional alteration.

Answer:

The energy from the cell will block substances from being in the animal and stop the toxins from getting into the animal cell.

Explanation:

The job of this energy is to block everything from coming in and out of this cell membrane.

Answer:

C. chloroplast, large central vacuole

Explanation:

3.11 Quiz on K12 .^.

Answer:

chloroplast, large central vacuole

Explanation:

2.08 Quiz: Plant and Animal Cells

Answer:

bb

Explanation:

Answer:

the heart rate will increase just googled it

Answer:

Long term storage of information

Explanation:

Answer:

The viral envelope serves several functions, including protecting the RNA or DNA molecule(s), evading recognition by the immune system, and facilitating virus entry. Despite these commonalities, viral envelopes come in a wide variety of shapes and configurations.

Explanation:

Answer:

As altitude increases, the amount of gas molecules in the air decreases—the air becomes less dense than air nearer to sea level.

Explanation:

Answer:

It falls

Explanation:

I just took the test

Answer:

mimicry

Explanation:

if im wrong then plz virtually slap me

Answer:

A - Mimicry

Explanation:

Joints:-Joints are the areas where 1 or more bones meet.Most joints are mobile,allowing the bones to move.Joints consist of the following:Cartilage . This is a type of tissuethat covers the surface of a bone at a joint.Next Ligaments:-Ligaments are short bands of tough,flexible tissue,made up of lots of individual fires,which connect the bones of the body together.Ligaments can be found connecting most of the bones in the body.The function of a ligament is to provide a passive unit to amount of movement between your bones.

Answer:

A nutrient is a substance or a chemical compound required by the animal for these productive purposes .

Explanation:

Nutrients are essential compounds and macromolecules needed for a variety of metabolic processes.  Animals show heterotrophic nutrition by consuming organic matter like lipids, fats, and proteins.

Food provides essential vitamins, amino acids and minerals that are used as cofactors and coenzymes in chemical reactions.

For example, animals use carbohydrates as fuel for all metabolic processes.

C6H12O6+ 6 O2 → 6 CO2 + 6 H2O + ≅38 ATP