Joel is comparing two slides showing chromosomes in a sperm cell and a skin cell of a dog. He finds that the sperm cell has 39 chromosomes. How many chromosomes can he expect in the skin cell?

Answers

Answer 1

Answer: Since a sperm cell contains half the number of chromosomes (a result of meiotic cellular division) as the body cells, the regular, diploid, cells would contain 78 chromosomes. You simply double the haploid to find the diploid or divide the diploid in half to find the haploid.

Answer 2

Answer:

Answer:

B) 78 Chromosomes

Explanation:

Double of chromosomes in sperm cells.

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What are the aberrant?

Answers

In Biology aberrant refer to something that's diverging from the normal types.

For example : Cancer Cells

Cancer cells usually keep multiplying at uncontrollable pace which is diverge from the normal cells' pace which make it aberrant

The ___ of a star is primarily determined by its surface temperature - composition, size, apparent brightness, age, color

Answers

Answer:

The color

Explanation:

Which kingdoms contain organisms that are prokaryotes?

Answers

Answer: The two prokaryotic kingdoms are Eubacteria and Archaea.

Explanation:

The kingdoms that contains organisms that are prokaryotes are Bacteria and Archaea. They are unicellular kingdoms and their members appear similar in shape and appearance. But, they are different from each other and that is why they are grouped into separate kingdoms. Bacteria are all known as prokaryotes, which are organisms that lack a cell nucleus and other membrane-bounds organelles, and tend to be less complex. Archaea does not have membrane-bound organelles either but they have a cell wall that does not contain peptidoglycan (which is found in Bacteria) and cell membrane uses ether linked lipids as opposed to ester linked lipids in bacteria.

the eubacteria and the archaebacteria

How is the end product of mitosis like the end product of binary fission?

Answers

Let's compare mitosis and binary fission.

Binary fission is a type of cell division characteristic for prokaryotic organisms that are unicellular. There are 4 steps in binary fission:
Step 1 Genetic material duplicates.

Step 2 Cell grows in size and other organelles duplicate.

Step 3 Cell wall or membrane forms.

Step 4 Cells separate into two new cells.

Mitosis is a process cell division, where one cell divides into two identical cells. Mitosis consists of four phases -

1. Prophase: Chromatin in the nucleus condenses and chromosomes pair up.

2. Metaphase: Chromosomes line up at the centre of the cell.

3. Anaphase: The sister chromatids separate from each other to the opposite sides of the cells.

4. Telophase and Cytokinesis: Membrane forms around each set of chromosomes on two opposite sides of the cells and cell divides into two identical daughter cells.

As can be seen, some steps are similar. And the end products in both cases are new cells. In mitosis, however, new cells are part of a multicellular organism while in binary fission, new cells represent new organisms.

Which best describes the tongue, ears, and nose?

Answers

The tongue gives us our sense of taste. The ears give us our sense of hearing. And our nose gives us our sense of smell. They all help us to do things in everyday life.

Ears
the organ of hearing and equilibrium in vertebrates, in humans consisting of an external ear that gathers sound vibrations, a middle ear in which the vibrations resonate against the tympanic membrane, and a fluid-filled internal ear that maintains balance and that conducts the tympanic vibrations to the auditory nerve, which transmits them as impulses to the brain.
Tongue
the usually movable organ in the floor of the mouth in humans and most vertebrates, functioning in eating, in tasting, and, in humans, in speaking.
Nose
the part of the face or facial region in humans and certain animals that contains the nostrils and the organs of smell and functions as the usual passageway for air in respiration: in humans it is a prominence in the center of the face formed of bone and cartilage, serving also to modify or modulate the voice.

Which statement is not true of greenhouse gases?

Answers

The statement that is not true of greenhouse gases is :

They are produced solely by human activities

Human activities such as: using hairspray, creating pollution, etc are worsened the condition of the greenhouse effect, it exists even before we did those things.

Explanation:

Emissions of gases by humans began to rise dramatically because of the economic Revolution and changes in land use. Several greenhouse gas emitting activities area unit currently essential to the worldwide economy and a elementary a part of trendy life.

Carbon dioxide from the burning of fossil fuels is that the largest single supply of gas emissions from human activities.

Though humans are the main cause of greenhouse effect.

The statement that is not true of greenhouse gases is : They are produced solely by human activities

Human activities such as : using hairspray, creating pollution, etc are worsen the condition of the greenhouse effect, it exist even before we did those things

hope this helps

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