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SashulF [63]
3 years ago
5

Match the following. 1. The chemical structure of genes which control inheritance nucleolus 2. The cell powerhouse DNA 3. A smal

ler, darker body found in the nucleus RNA 4. Important in protein synthesis ribosome 5. A chemical important in taking blueprint messages from DNA mitochondria
Biology
1 answer:
laiz [17]3 years ago
3 0

Answer: 1. The chemical structure of genes which control inheritance --DNA 2. The cell powerhouse --mitochondria 3. A smaller, darker body found in the nucleus--nucleolus 4. Important in protein synthesis--- ribosome 5.A chemical important in taking blueprint messages from DNA--RNA

Explanation:there are certain organelles found in the cell for different purposes

The DNA is a complex structure made of nucleotide units.it is the basic hereditary materials found in cells.it contains information necessary for the production of proteins.it is double stranded.

The RNA is a single stranded polynucleotide.it contains ribose instead of deoxyribonucleic sugar.it may be messenger RNA,transfer RNA or ribosomal RNA.the messenger RNA is formed in the nucleus and is involved in protein synthesis.it carries instruction for to the ribosome about protein synthesis. The transfer RNA transfers specific amino acids to the ribosome. The ribosomal RNA is synthesized in the nucelolus and is a major component of the ribosome.

the ribosomes are involved in the synthesis of polypeptide.they may be attached to a rough endoplasmic reticulum or they may occur freely in the cytoplasm.

The mitochondria Is an organelle in the cell with double membrane.it has a inner membrane that folds .this foldings are called cristae.they are known to participate in cellular respiration.

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True or False?
BabaBlast [244]

Answer:

False, since it takes more than one million years

Explanation:

Speeds can be faster for small-scale convection occurring in low-viscosity regions beneath the lithosphere, and slower in the lowermost mantle where viscosities are larger. A single shallow convection cycle takes on the order of 50 million years, though deeper convection can be closer to 200 million years.

5 0
3 years ago
The two systems that work together to cause this reaction are the endocrine system that secretes the hormone and the
Simora [160]

Two control systems of the body

Endocrine and Nervous

Endocrine and nervous system similarities

-Work together to maintain homeostasis

-Release ligands (chemical messengers) that bind to cellular receptors on particular target cells

Endocrine and nervous system differences

Endocrine system: -Transmits hormones through blood

-Targets any cell in the body with the correct receptor

-Very widespread

-Exhibits longer reaction times and has longer-lasting effects

Endocrine System

-Composed of ducts and glands that synthesize and secrete hormones

-Hormones are released into the blood and transported throughout the body

Endocrine system regulation growth and development

-Changes measured from birth to puberty

-Hormones help regulate embryonic cell division and differentiation

-Hormones regulate metabolism

How does the endocrine system maintain homeostasis or blood composition and volume

-Hypothalamus

-Hormones regulate blood solute concentrations (ex glucose ions)

-Hormones regulate blood volume, cellular concentration, and platelet numbers

The endocrine system controlling digestive processes

-Trigger digestion when food is in the stomach

-Hormones influence secretory processes and movement of materials in the digestive tract

Endocrine System controlling Reproductive Activities

-Make sure sperm and egg make it to each other

-Hormones affect the development and function of the reproductive system and the expression of sexual behavior

Endocrine Glands

Contain epithelial tissue that makes and releases hormones within a connective tissue framework

Endocrine Organs

-Glands with solely endocrine functions

-Ex: Pituitary, pineal, thyroid, parathyroid, and adrenal

Endocrine Cells

-Found in clusters in organs with another function

-Examples in Hypothalamus, Thymus, Heart, Stomach, Liver, Pancreas, Small Intestine, Adipose Connective Tissue

-Pancreases is not an endocrine gland, but it does release hormones

6 0
2 years ago
Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offsprin
faltersainse [42]

Answer:

2 in 4

Explanation:

If a female cat with orange fur (XOXO) is crossed with a male cat with black fur (XoY) then:

P: XOXO  x  XoY

F1: XOXo  XOY  XOXo  XOY

This means that half of the offspring will be females with tortoiseshell color  (XOXo) and other half  of the offspring will be males with orange fur (XOY).

6 0
3 years ago
A pigment solution contains compound A with 4 polar groups and compound B with 2 polar groups. You plan to separate these compou
Karolina [17]

The more polar A compound moves ahead of the less polar B compound.

Explanation:

The analytical process that involves the separation of colored substance or chemicals is named as paper chromatography, a replacement of thin-layer chromatography. In this method, there is the use of two solvents and rotation of paper at 90^0. It helps in isolating two complex compounds of equal polarity.

A non-polar mixture of solvent is required in the mobile phase of this method. In accordance with the retention factor of this process, the more polar compound A will go further than compound B as the solvent is non-polar.

6 0
4 years ago
A basketball player jumps straight up to dunk a basketball. The basketball player's speed increases as she returns to the ground
Zolol [24]

Answer:B

Explanation:

8 0
3 years ago
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