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2 years ago

Changes to body cells affect

Biology

2 answers:

kow [346]2 years ago

6 0

Answer:

Cell Division. Read explanation

Explanation:

It wouldn't be any of the sex cells so that would take out gene activity and offpsring. The only thing that changes the somatic (body) cells would be the slowing of cell division which I would assume is the correct answer.

Sindrei [870]2 years ago

3 0

All cells experience changes with aging. They become larger and are less able to divide and multiply. Among other changes, there is an increase in pigments and fatty substances inside the cell (lipids). Many cells lose their ability to function, or they begin to function abnormally.

C

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The distance between two charges and is r, and the force between them is F. What is the force between them if the distance betwe

dimulka [17.4K]

The force between them if the distance between them is doubled is a. F/4

Explanation:

To find the answer, we can use Coulomb's law where it is defined as the force between two point charges is directly proportional to the magnitude of the point charges and proportional inversely to the distance between them.

The equation can be written as, $F= K \frac{ q_{1} q_{2} }{r^{2} }$ where k is the Coulomb constant, $q_{1} q_{2}$ are the point charges, and r is the distance between these two point charges.
To find the answer to this question, just substitute 2r in the place of r hence, you will get $\frac{F}{4}$ as the new force when the distance is doubled.

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3 years ago

Which factors should scientists measure to learn how each population changed over time?

Art [367]

Explanation:

The statistical study of populations and how they change over time is called demography. Two important measures of a population are population size, the number of individuals, and population density, the number of individuals per unit area or volume.

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2 years ago

In Experiment 5, how did the shape of the epidermal cells in the outer skin surface slide compare to the shape of the epidermal

Phoenix [80]

Answer:

The correct answer is B. The cells in the outer skin surface appeared flat, whereas the cells in the cross section were not flat.

Explanation:

The epidermis is made up of five cell layers, which have different functions: Stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, and stratum corneum.

Stratum basale is the innermost germinative, single, basal layer of the epidermis composed of basal cuboidal-shaped cells. These cells are the precursor of keratinocytes, this is why this layer is also called germinativum. In this basal layer, there are also Merkel cells as well as melanocytes.

Stratum spinosum refers to the keratinocytes which produce keratin.

Stratum granulosum, this is the layer where keratinization begins. Cells produce hard granules that change to keratin and lipids as they ascend.

Stratum lucidum is conformed of densely compressed cells, which begins to flatten and appear indistinguishable between each other.

Stratum corneum is the most external layer, composed of dead, flattened cells which are released regularly in a process known as desquamation.

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3 years ago

The scientific study of life, called _____, can be organized around several themes. As the biological hierachy builds from molec

Rufina [12.5K]

Answer:

The scientific study of life, called Biology, can be organized around several themes. As the biological hierachy builds from molecules on up to ecosystems, each level has  emergent properties that result from interactions among component parts. Life's basic unit of structure and function is the cell, which occurs in two basic forms- prokaryotic and eukaryotic . As organisms interact with the environment, nutrients and chemicals cycle within an ecosystem, while energy flows one way from sunlight -> chemical energy -> heat. According to the core theme of evolution all of life is related by common descent. Life was diversified as natural selection had led to the gradual accumulation of adaptations that fit populations to the environment.

Explanation:

Emergent properties- Properties that is exhibited by a group of individuals as a result of interaction among them.

Evolution- the process by which populations develop new characteristic and become more efficient than their ancestors.

Natural selection- A phenomena in which only fittest organisms of a population are allowed to survive in a given environment. This play a key role in evolution.

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3 years ago

Before a cell can divide, it must copy one ___ at a time in a process called DNA replication

Mkey [24]

Before a cell can divide, it must copy one NUCLEOTIDE at a time in a process called DNA replication.

DNA replication is the process by which two identical DNA molecules are formed from one single, original DNA parent molecule. DNA replication takes place in all living organisms and is the basis for inheritance. During this process, the DNA make a copy of itself by copying all the nucleotide that are present in it.

6 0

3 years ago

Read 2 more answers