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3 years ago

Definition for valence electrons science.

Biology

1 answer:

KATRIN_1 [288]3 years ago

5 0

Explanation:

valence electron, any of the fundamental negatively charged particles in the outermost region of atoms that enters into the formation of chemical bonds. Whatever the type of chemical bond (ionic, covalent, metallic) between atoms, changes in the atomic structure are restricted to the outermost, or valence, electrons.

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_________ is most associated with the view that infants are biologically predisposed to form emotional bonds with caregivers and

Alenkinab [10]

<h2>Physiology Process</h2>

Explanation:

Physiology is most connected with the view that babies are organically inclined to frame passionate bonds with parental figures and that the attributes of those bonds shape later social and character development.
it is analysts frequently partition our improvement into three regions: physical advancement, intellectual improvement, and psychosocial advancement.

Pre-birth development-There are three phases of pre-birth advancement germinal, early stage, and fetal. How about we investigate what befalls the creating infant in every one of these stages.

Germinal Stage-A zygote starts as a one-cell structure that is made when a sperm and egg blend. The hereditary cosmetics and sex of the child are set now. During the primary week after origination.

Early Stage-After the zygote partitions for around 7–10 days and has 150 cells, it goes down the fallopian cylinders and inserts itself in the covering of the uterus. Upon implantation, this multi-cell life form is called an incipient organism.

Fetal Stage-When the life form is around nine weeks old, the undeveloped organism is known as an embryo. At this stage, the baby is about the size of a kidney bean and starts to assume the unmistakable type of a person as the "tail" vanishes.
intellectual advancement notwithstanding quick physical development, small kids additionally display noteworthy improvement of their subjective capacities.
Piaget felt that kids' capacity to get objects, for example, discovering that a clatter makes a commotion when shaken—was a psychological expertise that grows gradually as a kid develops and interfaces with the earth.
Psychosocial advancement While the grouping of physical changes in adolescence is unsurprising, the beginning and pace of pubescence fluctuate broadly.
A few physical changes happen during adolescence, for example, adrenarche and gonadarche, the developing of the adrenal organs and sex organs, individually. Likewise during this time, essential and optional sexual qualities create and develop.

4 0

3 years ago

Where do homologous chromosomes exchange genetic material through crossing over?

Naya [18.7K]

Answer:

D. Chiasma

Explanation:

In Prophase I of Meiosis, a process called synapsis occurs. Synapsis is the process where homologous chromosomes pair up. Within this process, sister chromatids cross-over at certain points, and these points are called chiasmata. Chiasmata is just the plural of chiasma. In these points, the chromatids intertwine and exchange genetic material through a process called, cross-over.

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3 years ago

A — is a protein that recognizes and responds to a signal

Norma-Jean [14]

Answer:

A receptor is a protein that recognizes and responds to a signal.

Explanation:

A receptor is a protein molecule present on the cells on which the signalling molecules can bind and generate a physiological response. Some receptor molecules can also respond to Sun and light. Each type of cell has specific receptors molecules and hence can respond to specific signals. The receptor molecules hence tend to receive signals for a cell. Molecules such as hormones bind to the receptors.

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3 years ago

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ivanzaharov [21]

$1. \: a \\ 2. \: b \\ 3. \: c \\ 4. \: c$

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3 years ago

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What is a cell membrane

Aleksandr [31]

Answer:

The cell membrane is a semi-permeable membrane that surrounds the cytoplasm . the main fuction is to protect the interior of the cell by allowing certain substances get into the cell while keeping other substances out.

Explanation:

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3 years ago

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