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Harrizon [31]
3 years ago
5

Which of these life functions is NOT performed by mollusks?

Biology
1 answer:
Simora [160]3 years ago
8 0

Answer:

C) perspiration

Explanation:

Living organisms are characterized by certain processes they undergo. These processes makes them defined as living. Mollusks are a group of invertebrate animals that are often protected by hard shells. They undergo characteristics of living things like respiration (gaseous exchange), excretion (pass out waste substances) and even the circulation of fluid within their body system but they do not perspire.

In other words, animals of the mollusk group do not sweat or exude water from their skin because they do not possess sweat glands considering the fact that they are cold-blooded animals and externally regulate their temperature.

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How does DNA affect genetics?
Basile [38]

Answer:

Over our lifetime, our DNA can undergo changes or mutations that result in differences in the DNA sequence and may affect the proteins that are made. Mutations can occur as a natural consequence of errors in DNA replication or as a result of exposure to environmental factors such as smoking, sunlight or radiation.

Explanation:

5 0
2 years ago
:) please help!!! Briefly describe the traits seen in each genotype:
kolezko [41]
<h2>Answer 1 with Explanation</h2>

Homozygous dominant- It can be an organism if it carries two copies of the same dominant allele as homozygous which clearly means that the organism has a pair of models that is the corresponding allele for a gene. This gene originally belongs to a particular gene that has same alleles on both homologous chromosomes. It is assigned to by capital (XX) in the subjective terminology.

<h2>Answer 2 with Explanation</h2>

Heterozygous dominant is an organism that carries two different alleles of a gene. Though this is originally is referred to as (Tt). Heterozygous means that an organism has two different varieties of the gene within the system of dominant, the protein each makes is slightly different from one another and the organism has both tall and short versions within the dominant.

<h2>Answer 3 with Explanation</h2>

Homozygous recessive is described as an organism that carries two copies of the same recessive allele in the living organisms while they are in process of growth. A recessive gene is one that has to be homozygous to have an effect on the plant's or animal's traits that is naturally in process. This process of homozygous is is referred to by the lower case (xx).

3 0
3 years ago
I need help!!!!!!!!!!!!!!!!
ale4655 [162]

<em>Answer:</em>

C. Many, many years of deposition

<em>Explanation:</em>

The layers of the rocks in one region of the parks are smooth and distinct, which are evidence of many, many years of deposition.

The layers on the rocks are because of different deposition of sediments. Different sediments deposited over the rocks through the wind, water, and ice over the ages.

Have a beautiful day.

8 0
2 years ago
Read 2 more answers
During the Silurian Period, simple _____________________ began too grow on land in damp trees.
NikAS [45]
During the Silurian Period, simple PLANTS began too grow on land and in damp trees
7 0
3 years ago
1. Please describe the signal transmission across a myoneural junction that allows the nervous system to move the muscles of a f
SSSSS [86.1K]
1. Action potential reaches the axon terminal and depolarizes it.

2. Depolarization opens voltage-gated calcium channels, enabling influx of Ca into the neuron.

3. Calcium binds to specialized proteins on vesicles (containing pre-made acetylcholine) and triggers them to fuse with the neuron membrane at the synapse.

4. Exocytosis of acetylcholine into the synaptic cleft occurs.

5. Acetylcholine diffuses across the synapse and binds to nicotinic receptors on the end plate of the myocyte.

6. Activated nicotinic receptors, themselves ion channels, cause cation influx into the myocyte and generate an end plate potential. This eventually gives rise to the full depolarization within the myocyte that enables contraction.
6 0
3 years ago
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