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Anuta_ua [19.1K]
3 years ago
10

Which of the following factors can influence advances in science and technology?

Biology
1 answer:
Schach [20]3 years ago
3 0
What's the choices ?
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To perform a testcross, scientists cross an organism with an unknown genotype with a _____ organism.
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To perform a testcross, scientists cross an organism with an unknown genotype with a homozygous recessive organism.

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5 0
2 years ago
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a fluid bathes every cell in the body and provide a medium of exchange between the cells and blood capillaries. All the followin
JulsSmile [24]
Options are:
a) lymph. 
b) interstitial fluid. 
c) extracellular fluid (ECF). 
d) plasma.

All the following are correct terms for this fluid except lymph. 

The interstitial fluid surrounds the cells in the body. The other major component of the ECF is the intravascular fluid of the circulatory system called blood plasma. Whereas, Lymph is a fluid which contains infection-fighting white blood cells, throughout the body.
6 0
3 years ago
Rosalind Franklin contribute to the understanding of DNA by
IRINA_888 [86]
Rosalind Franklin contributed to the understanding of DNA by discovering It's shape and structure. 
4 0
3 years ago
what condition is a major contributor to disability and placement in nursing homes for those over age 75 and is often accompanie
Rina8888 [55]

Answer:

Dementia

Explanation:

Dementia is a condition that involves impaired mental ability and memory which is common among older adults. This condition, which is a major contributor to disability and placement of older adults in nursing homes, can be as a result of several factors of which nutrition has a major role to play. Metabolic and endocrine problem that results to the inability of the body system to regulate nutrients such as calcium and vitamin B-12, are some of the factors that triggers dementia in older adults. Also, nutritional deficiencies such as dehydration, inadequate intake of vitamin B-1, vitamins B-6, copper,vitamin E, and vitamin B-12 increases the chances of developing dementia in older adults.

Research shows that low levels of vitamin D can be linked to increased risk of developing dementia, and as such, supplements such as B-complex vitamin, vitamin C, and vitamin D is usually recommended for the prevention of dementia, especially when they are deficient in the diets taken.

7 0
3 years ago
Which of the following is TRUE of a cell membranes?
adoni [48]

Answer:

B, C, Dand E are all correct

Explanation:

Why B is correct- The cell membrane, also known as the plasma membrane, is a double layer of lipids and proteins that surrounds a cell and separates the cytoplasm (the contents of the cell) from its surrounding environment. It is selectively permeable, which means that it only lets certain molecules enter and exit.

Plants, animals, and bacteria have a cell membrane. Why d is correcect

Why C is correct- The cell membrane is not a solid structure. It is made of millions of smaller molecules that create a flexible and porous container. Proteins and phospholipids make up most of the membrane structure.

Why E is correct- The plasma membrane is primarily composed of phospholipids arranged in a bilayer, with the hydrophobic tails on the interior of the membrane, and the hydrophilic heads pointing outwards

Why A Is Not correct- It is very fragile and its role is to hold the cell together and to help control what substances can get in and out. It is partially permeable, allowing only some substances to pass through it. The membrane has a complex structure consisting of a phospholipid bi-layer and different types of proteins.

4 0
2 years ago
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